0 Non-default BIOS settings Performance per watt (OS) Performance per watt (OS). If you need even more storage space, the R740-XD can house up. • 1 x VGA (optional for liquid cooling configuration) Internal Ports • 1 x USB 3. 00. Then plug it in and power it on. The two 16 GB DIMMs will be in A1/A2 (white tabs), and the two 1 GB DIMMs will be in A4/A5 (black tabs). With the R640 you can create an NVMe cache pool and use. Explore the custom configuration options available for the Dell PowerEdge R640. It supports 24 DDR4 DIMM slots both RDIMM and LRDIMM. 321-BCQQ. Step 2 Copy the contents of the extracted recovery folder to the root di rectory of a USB thumb drive. Server users considering Non-Volatile Memory Express (NVMe) storage drives seek top-of-the-line performance. 7 for its machine learning inference performance benchmark suite. The PowerEdge R640 is a general purpose platform expandable up to 7. 5-inch hard drives on the front panel, or 10 x 2. Server hardware configuration. 5. If you have dual processors, you can install the two 16 GB DIMMs in A1/B1 (white tabs. Greetings, In a couple of days, I'm getting 24 new DDR4 RDIMM 2666Mhz 32GB modules in order to upgrade six R640 (s) with the current capacity of 256GB. NOTE The Dell PowerEdge R630 system supports hot swappable hard drives. MAXIMUM CONFIGURATION: Processor: 56 cores (Intel). Up to 16 Intel Persistent Memory 200 series (BPS) slots, 12 TB max Storage Controllers Internal: PERC H965i, PERC H755, PERC H755N, PERC H355, HBA355i. The server supports one processor from these product families. LRDIMM This memory option, load reduced DIMM (LRDIMM), is designed with a buffer chip (or chips) to replace the register to help minimize loading. PowerEdge R640 is the ideal dual-socket, 1U platform for scale-out data center computing that combines density, performance and scalability to optimize application performance. distribute evenly across 12 memory channels. With DIMM quantity of 4 per CPU, the population is Slot 1, 2, 4, 5 PSU specifications. Benchmarks. Examples are provided to guide the configuration of boot mode, sources, and sequence by using the BIOS Graphical User Interface (GUI) and programmable methods including Dell EMC. In addition, to address substantial throughput improvements the. Looking for memory population rules of the Intel® Server Board S2600WF Family. 5 C6420 1. PowerEdge R610 offers simplified management, purposeful design, and energy efficiency combined in a rack server that can help you better manage your enterprise. Documentation. 24 DIMM slots (support for DDR4 RDIMM, LR-DIMM) or 12 NVDIMM-N (one DIMM per channel) are supported. Most R640 servers have at least two PCIe adapter slots. Memory (depends on server model) 1-24 x 2,666 MT/s RDIMMs/LRDIMMs. Intel C620 series chipset The R640 system uses the Intel Lewisburg chip. Do the following: 1) Make sure the system cables, risers, and CPU configuration are installed correctly. Memory specifications Memory module sockets DIMM type DIMM rank DIMM capacity Single processor Dual processors Minimum RAM Maximum RAM Minimum RAM Maximum RAM Twenty four 288-pins LRDIMM Octa rank 128 GB 128 GB 1. System memory. Currently, I have memory populated as follows: A1, B1, A2, B2, A3, B3, A4, B4. Generation Intel® Xeon Scalable processors with up to 28 cores per processorThe PowerEdge R640 is a 1U Rackmount Server produced by Dell. 5-inch drives, or 10 x 2. Operating System DellEMC-VMware ESXi. ^Start here. Uncorrectable memory errors may also be reported on the affected slot/DIMM. Memory specifications Memory module sockets DIMM type DIMM rank DIMM capacity Single processor Dual processors Minimum RAM Maximum RAM Minimum RAM Maximum RAM Twenty four 288-pins LRDIMM Octa rank 128 GB 128 GB 1. 8 x 2. By learning the architecture of one PowerEdge system, Information Technology (IT) managers are able to apply that same logic to manage Dell’s future generation of servers with the Dell R710 memory installation guide. Nine PCIe Gen 3 expansion cards, including a dedicated PERC slot. In a nut shell, the new R640 delivers more than twice the stated maximum storage capacity compared to the R630. In addition, to address substantial throughput improvements the. Updated the "Processor and Memory Reference Code" for the second-generation Intel Xeon Processor Scalable Family to IPU 2021. I'd be considering a hardware fault. Make & Model: Dell PowerEdge R640. NOTE: 768 GB max memory is recommended for performance optimized configurations. 8. It is ideal for24 x 1. Dell provided multiple hard drive backplane options when they released the R640 server to meet the needs of most server environments. 5 TB 256 GB 3 TB Quad rank 64 GB 64 GB 768 GB 128 GB 1. If you press space bar then, and the progress bar skips to the end, you can be sure it was the memory test causing the delay. There are four memory channels per CPU, each managing three DIMM slots. 5 -inch, 18x3. Hi Currently my dell server comes with. PowerEdge R640 Server. Buy it with. It is a 2 chip patl form - CPU and PCH. 8 PowerEdge R640 system overview The Dell EMC PowerEdge R640 system is a 1U rack server that supports up to: Two 2 nd generation Intel Xeon Scalable Processors. Supported configurations for PowerEdge. In addition, this system can support up to 12 non-volatile (NVDIMM) memory modules to boost application. 0 PCIe Up to 3 x PCIe Gen4 low profile slots (all x16 except one x8 slot with SNAP I/O modules) or 2 x PCIe. System battery specifications. Ensure that the memory is correctly installed and populated hence memory DIMMs on slots A1 &A2 must be the same. The R730 and R730xd support three DIMMs per channel at 1866MT/s with these processors. - Fixed an industry-issue seen on BIOS versions 2. 0 Update 2d. NOTE: vSphere Essentials Plus is an all-inclusive package that includes licenses for three physical servers, each server with up to two processors. BANK. " is displayed on the screen. 5 M640 1. PowerEdge R640 is the ideal dual-socket, 1U platform for scale-out data center computing that combines density, performance and scalability to optimize application performance. Commercial off the shelf hardware with OEM- specific features. 5 inch drives, and flexible I/O options. Dell BOSS (Boot Optimized Server Storage) are for m. SSD capacity . This book covers the standard configuration only—consult specific Avaya product documentation for application-specific or solution-specific server configurations. Best practice: Use 6 or 12 DIMMs per Intel CPU for a balanced configuration. Then do another system Inventory and check again. 5 TB of memory when using DDR4 DIMMs. 3) Restore default configuration in F2 system setup menu. Memory specifications. Now if it fails to start after removing those then you may want to take the server to its Minimum to Post configuration and trying the steps again. The R640 comes with a PERC H330 RAID controller. Memory: 3TB. System Note: This system supports multiple memory configurations based on: Processor, memory component density, quantity and type of memory modules installed. The PowerEdge R640 systems support flexible memory configurations ranging from capacities of 8 GB (minimum), to 1536 GB (maximum). £4,860. 64Gb x 16 = 1TB. 00. RAID CNTRLR R640 ADDN 1GbE PCIE DUAL PT NIC R640 DVD-ROM DRIVE W/BRKT R640 CHASSIS FAN R640 Memory DIMM R640 RAID battery April 2020 Maintaining and. System dimensions. configurations: • 10GbE QLogic 57810 DP • 10GbE QLogic 57840 QP • 1GbE QLogic QP • 10GbE Intel X520 DP • 1GbE Intel QP • 10GbE Intel X710 DPModel PowerEdge R640. 5-inch hard drives on the front panel with optional support for 2 X 2. 1 where the system may reset during power-on at the time "Configuring Memory" is displayed on the boot screen. Memory slots population can be different from what is described in the server User's Manual. • 1 x VGA (optional for liquid cooling configuration) Internal Ports • 1 x USB 3. memory. 8GB. Maximum Performance. Memory 24 DDR4 DIMM slots, Supports RDIMM /LRDIMM, speeds up to 2667, 1. BIOS 2. Processor. 5-inch-inch chassis with up to 10 hard drives, 8 NVMe drives, and 3 PCIe slots,. 8 GHz and a boost frequency of 3 GHz, allowing for optimal performance in various computing tasks. CPU 2 x 3rd Generation Intel ® Xeon Processor Scalable Family 2 x 2nd Generation Intel ® Xeon Processor Scalable Family CPU interconnect Intel Ultra Path Interconnect (UPI) Intel Ultra Path Interconnect (UPI) Memory 32 x DDR4 RDIMM, LRDIMM 16 x PMem ( Intel Optane Persistent Memory 200 Series) 24 x DDR4. L’architecture évolutive du R640 est conçue pour booster les performances des applications et fournir la flexibilité nécessaire pour optimiser les configurations en fonction des besoins et des exemples d’utilisation. Dell EMC’s NVDIMM-N Persistent Memory is a disruptive Storage Class Memory technology that enables unprecedented performance improvement over legacy storage technologies. After this past weekend, I came into the office and saw that most of our VMs were unresponsive and attempted to log into iDrac (no success). All-flash quick start configurations Bundle Small Medium Large Server R640 Storage Spaces Direct Ready. Quick AdvanceReplacement. Parts & Repairs. The issue is applicable to DDR4 and NVDIMM-N memory configurations. Memory, CPU, NIC, and drive configurations are preferred but not mandated. If Static IP is selected, the available fields are IP, Subnet (Sub), and Gateway (Gtw). Combined with up to 24 DIMM’s, 12 of which can be PMems or NVDIMMs, you have the resources to maximize application performance with the optimum configuration in only a 1U. Feature PowerEdge R650 PowerEdge R640. A configuration of 512 GB on 14G Skylake is possible but suboptimal, as shown in Figure 4. Up to 6 per CPU socket. Processor specifications. SummaryMLCommons™ Association has released the third round of results v1. You can manage basic settings and features of a system without booting to the operating system by using the system firmware. Get Dell EMC R640 memory upgrades and get ️ Lifetime warranty Great savings Factory original memory just like Dell does @Memory. Memory mirroring has two adjacent memory channels configured to write the same data to each. Minimum to post for the R740xd is; One processor (CPU) in socket processor 1 One memory module (DIMM) in socket A1 One power supply unit Right control panel and cable (for power button. Install this package:PowerEdge R640 is the ideal dual-socket, 1U platform for scale-out data center computing that combines density, performance and scalability to optimize application performance. The Dell EMC PowerEdge T640 is a dual-socket, 5U rackable tower server that supports up to: Two Intel Xeon Scalable processors. We'll also show you how to install 384GB of memory. 5” front bay drive configurations (plus up to 2 rear drives). Dell EMC PowerEdge R640 Installation and Service Manual Installing and removing system components. 6. All other memory information is located in this place. The R640 comes with a PERC H330 RAID controller. If the server now completes POST, plug the external devices back in one at a time until the defective device is found. 8GB. Dell EMC PowerEdge T640 overview. Please visit to find the perf. 5-inch hard drives on the front panel, or 10 x 2. Step 1 Download the BIOS update package and extract it to a temporary location. The troubleshooting guide is divided into. 5” drives, the performance of NVMe and embedded intelligence to ensure optimized application performance in a secure platform. 5-inch drive system. Max 12 for 2S configuration. The R620 supports two DIMMs per channel at 1866MT/s with these processors. System Setup. Learn how to manage future Dell servers today. The R640 features:Pre-operating system management applications. The R640 is a versatile 1U rack server. We'll also show you how to install 384GB of memory. PowerEdge R640 • NVMe Direct-attached drives reduce latency. Download the PDF manual and get access to diagnostic tools, procedures, and best practices. . 戴尔易安信 PowerEdge R640 是一款可扩展的1U机架式服务器， 设计用于通过双路平台进行计算和存储。 R640被描述为性能、成本和密度之间的一种平衡， 它用于处理一系列不同数据中心用例带来的工作负载，特别是密集的软件定义存储、服务提供商、应用层、密集的私有云、虚拟化和 高性能计算(HPC)等。Dense performance with ideal memory and I/O expandability for multi-workload compute in the data centre. Storage controller specifications. HPE MSA 2060. 2133MT/s DDR4 memory Certain models of the E5-2600 v3 processors support 2133MT/s memory. 4 x 3. Change the following settings, clicking Apply after each change: • Memory Settings Memory Operating Mode y Change to Mirror Mode • Boot Settings Hard -Disk Drive Placeholder y Change to Enabled • Boot Settings Set Boot Order Enable y Change to RAID. The DP4400 may report a missing or faulty DIMM (Dual Inline Memory Module) during boot. Select Setup DNS to enable DNS and to view domain addresses. Integrated. 6. The 2nd Generation Intel® Xeon® Scalable processor family supports up to 2933 MT/s memory. and memory modules. Looking at the dimms and server specifications the issue looks to be compatibility. Overview. See the Memory section for details. 8. Dell PowerEdge R640 Memory Quick Specs Amount of Slots: 24 DIMMs Max Size RDIMM: 1. System Memory Type Specifies the type of memory that is installed in the system. 10. Description. For a basic test, you can pick Express. Poweredge R640 Upgrade. This blog is focused. In a nut shell, the new R640 delivers more than twice the stated maximum storage capacity compared to the R630. 5-inch hard. SKU. Memory and performance- intensive Microsoft SQL and Oracle OLTP Rack Dense VDI, service providers, enterprise cloud Dell EMC PowerEdge server platform R640 R740xd R940 C6420 Hypervisor boot Boot Optimized Storage Solution - 2x120GB M. If you are unsure what you need, please refer to your R640 manual or data sheet. In the Static Gateway box, enter the gateway address. PowerEdge R640 • NVMe 直连驱动器可缩短延迟. Memory specifications Table 6. BankLabel Capacity DeviceLocator Tag. iDRAC Direct LED indicator codes; Back view of the system. If the server has completed post and booted to the operating system, but the system has no video on a directly connected monitor. The R640 can handle demanding workloads such as virtualization, dense private cloud, High Performance Computing (HPC) and software-defined storage. Documentation. - Fixed an industry-issue seen on BIOS versions 2. 5-inch drives, 8 x 2. Memory specifications. Not visible to Host Processor User cannot clear the memory. 5-inch hard drives on the back panel. 2. Boot Manager. If this field is Enabled, memory interleaving is supported if a symmetric memory configuration is installed. The Dell R710 runs memory in a triple channel configuration and can be run in a single and dual-processor setup. Naturally, Intel's Xeon Scalable family is at the top of Dell's agenda and a new internal cooling. 27 excluding VAT @20%. Memory 32 DDR5 DIMM slots supports RDIMM 8 TB max, speeds up to 4800 MT/s. Expansion bus specifications. Here are the key features and characteristics of the Dell EMC PowerEdge R640: Form Factor: The R640 is a 1U rack-mounted server, making it suitable for data centers with limited rack space where high performance is still essential. Processor . The R640 features:The PowerEdge R540 is a general-purpose platform with highly expandable memory - up to 512 GB with single processor and up to 1 TB with dual processors, and impressive I/O capabilities to match. Each NVDIMM-N provides 16GB of nonvolatile memory and has the same form factor as a standard 288-Pin DDR4 DIMM. With embedded diagnostics and SupportAssist, the R640 delivers. Supported configurations for PowerEdge R640 • Front view of the system • Back view of the system • Drive indicator codes • LCD panel • Locating the Service Tag of your system • System information label. 3. VxRail with vSAN Express Storage Architecture ( ESA) VxRail with vSAN ESA is an optional, alternative vSAN architecture optimized for high performing, modern hardware. Igor’s Lab also ended up with similar results, granted, their tests primarily dealt with gaming performance. Starting at. Drives. but to achieve 512GB memory I have to do one of the below: 1- Sixteen 32GB Quad Rank RDIMMs for a maximum capacity of 512GB of memory. 2. Documentation. Intel® Xeon® Gold 6238 Scalable processor 2. Qty. 5TB of memory, up to twelve 2. Network adapter. With the R640 you can create an NVMe cache pool and use either 2. BIOS and iDRAC configuration recommendations for servers in a Dell EMC Solutions for Microsoft Azure Stack HCI. Memory Configuration. 5 R940 1. Across CPU models (Platinum 8176 down to Bronze 3106), there is a 65% to 35% drop in memory bandwidth when using an unbalanced memory configuration when compared to a balanced memory. Processor and DIMM configuration as noted. See the Memory section for details. See the Memory section for details. Generation Intel® Xeon Scalable Processor Maximum two 2. System memory holds the instructions that are executed by the processor. 本节概述了系统的技术规格和环境规格。 主题： • 机箱尺寸 • 机箱重量 • 处理器规格 • 支持的操作系统PowerEdge R640. Chassis weight. It also includes VMware vCenter Server to centrally manage the servers. Recommended hardware configuration for the PowerEdge R640 serverThe PowerEdge R640 is a general purpose platform expandable up to 1. Internal Dual SD Module (IDSDM), or Dell EMC BOSS. 5TB max memory • Speeds up to 2400MT/s CPU Interconnect Intel Ultra Path Interconnect (UPI) Intel QuickPath Interconnect (QPI) Hard drives 8x3. 6. To begin, select a processor type, and then clickSelect DHCP or Static IP to configure the network mode. Drivers & Downloads. The PowerEdge R640 is a general purpose platform expandable up to 7. 技术规格. With the R640 you can create an NVMe cache pool and use either 2. Configuration 1 - Intel® Xeon® Bronze 3204 Price Match Guarantee Fully customizable: Intel® Xeon® Bronze 3204, Optional Operating System, 8GB Memory, 480GB Solid State Drive and a 3 Year Warranty Processor Intel Xeon Bronze 3204 1. PowerEdge R640. You jump from 22 cores in the 30 models to 28 in the 40 models. Combined with up to 24 DIMM’s, 12 of which can be PMems or NVDIMMs,. PSU specifications. shutdown and remove the AC for 1 minute. 5-inch hard drives on the front panel, or 10 x 2. The first page in the Processor and Memory Selector (Figure 2) is the Welcome page that explains how to use the tool. . memory configurations, and with he Pt owerEdge Processor and Memory Selector, you can easily select a configuration to meet your workload requirements. Memory: 24 DDR4 DIMM slots, Supports RDIMM /LRDIMM, speeds up to 2666MT/s, 3TB max: Up to 12 NVDIMM, 192 GB Max:. Parts & Repairs. The R440 can handle demanding workloads and. A configuration of 512 GB on 14G Skylake is possible but suboptimal, as shown in Figure 4. In this video we'll show you how to upgrade the Processors in a Poweredge R640. Two separate DNS entries are available. . Expansion bus specifications. PowerEdge R640 server. Capacity and performance options for R640 HLH server. 24 DIMM slots supporting up to 1536 GB of memory. Qty. DDR4-3200MT/s • 32GB Module Capacity • 16Gb Die Density • RDIMM • 1 Rank x 4 • PC4-25600 • CL=22 • Ext Timing 22-22-22 • 1. Two redundant power supply units (PSU) or single cabled. The Dell™ PowerEdge™ R710 takes advantage of Dell’s system commonality. 00. 5 inch carrier) SAS/SATA/SSD drives. • Mellanox 100G NICs are not supported. The Dell EMC PowerEdge R640 system is a 1U rack server that supports up to: Two 2 nd generation Intel Xeon Scalable Processors ; 24 DIMM slots 8 x 2. For the DHCPv6 server to automatically assign the IP address, gateway, and subnet mask to iDRAC, select Enabled option under Enable Auto-configuration. Maximum 8 DIMMs per processor and 16 DIMMs in total Supports DDR4 ECC RDIMM, with ECC up to 2933 MT/s on R450 as the memory speed depends on the. • 256GB, 512GB per DIMMThe PowerEdge R640 is the ideal dual-socket platform for dense scale-out data center computing and storage. . PowerEdge R640 RAM Upgrade. Causes: The Advanced ECC option was enabled in BIOS, but is no longer valid due to an unsupported memory configuration, possibly a faulty or removed memory module. I'm looking at the manual, and - correct me if I'm wrong - sockets with white release should be populated first (per. Combined with up to 24 DIMM’s, 12 of which can be NVDIMM’s, you have the resources to create the optimum configuration to maximize application performance with the optimum configuration in only a 1U chassis. 0, dedicated iDRAC network port Max depth: 757. Performance Optimized Selected. 2 GHz . LRDIMM This memory option, load reduced DIMM (LRDIMM), is designed with a buffer chip (or chips) to replace the register to help minimize loading. 256GB, 512GB. Four optional NVMe Express Flash PCIe SSDs. Memory specifications. chassis with up to 10 hard drives, 8 NVMe drives, and 3 PCIe slots, 2 CPU only. Figure 1: Memory errors as displayed in iDRAC 6 logs (English Only) Isolating memory issues means swapping memory DIMMs into different memory sockets, channels, banks, and controllers. All Memory Kits sold separate from a Workstation or Server configuration are covered by a "30 Day Money Back Guarantee", and a "90 Day Limited Replacement Warranty" from the initial. The RAM is ECC DDR3 1667Mhz 1. The serial number is also called the "PSNT". The Dell PowerEdge R640 is a powerful enterprise server in Dell's 14th generation of servers that will substantially scale your businesses performance for the future. 24 x 1. Track Reference. Advisories. - Fixed an industry-issue seen on BIOS versions 2. 1. Der R640 kombiniert Dichte, Performance und Skalierbarkeit zur Optimierung der Anwendungsperformance und Dichte im Rechenzentrum. 2933 MT/s DDR4 memory. 329-BEIJ. Nothing works. 210-AKWU. 1. Combined with up to 24 DIMM’s, 12 of which can be. Memory. If you are on a budget or don’t need the extra processing power, you can opt to install a. When upgrading the memory modules in your Dell PowerEdge R640 server, it is crucial to power off the server and unplug the power cords before accessing the internals. SKU. 0 Update 2c. PowerEdge R640 是理想的双插槽 1U 平台，适用于高密度的横向扩展数据中心计算。 R640 集高密度、高性能和高扩展性于一体，可优化应用程序性能和数据中心密度。 卓越的性能Click Configuration Management on the Main Menu screen. 16 DIMM slots. In the Static Prefix Length box, enter a value between 0 and 128. 5” drives, the performance of NVMe and embedded intelligence to ensure optimized application performance in a secure platform. Then power and see if when you see the Memory Check that hitting escape a couple times will get past it. See the Memory section for details. The R640 system supports: • TwoDI MMs per channel for single -rank and/or dual -rank DIMMsThe PowerEdge FC640 is a half-height sled supported on the PowerEdge FX2/FX2s enclosure and supports up to : Two Intel Xeon Scalable Processors. Dell Lifecycle Controller. Two AC or DC redundant power supply units. 5 T440 1. 5” drives for data storage. If you share your system model info, I can advise you on your memory configuration. System memory. This blog is focused on the submission results in the closed. On the System BIOS screen, click Memory Settings. The R640 Storage Spaces Direct Ready Node in a back-to-back connected configuration is available only in a 10-drive chassis configuration in both hybrid and all-flash configurations. $14997. memory. You've got RDIMM, which is generally faster, and LRDIMM, which is better for memory-intense, high storage stuff at the cost of higher latency. Powered by 2nd Generation dual Intel Xeon Scalable. PowerEdge R640 is the ideal dual-socket, 1U platform for scale-out data center computing that combines density, performance and scalability to optimize application performance. Drivers & Downloads. The scalable business architecture of the R640 is designed to maximize application performance and provide the flexibility to optimize configurations based on the application and use case. Overview. Processor. The R640 servers need to be configured for the Dell EMC Canonical Kubernetes. Fault Resilient Memory-Vmware £0. 4. Example of Errors seen during Boot: UEFI0339: The Dual Inline Memory Module (DIMM) in the memory slot <XX> is disabled because of initialization errors caused by. Help Me Choose: Memory Configuration Type. 5-inch hard drives or 4 x 3. The NVDIMM-N resides in a standard. Status LED indicators; System health and system ID indicator codes; iDRAC Quick Sync 2 indicator codes; Right control panel view. The PowerEdge R440 and R640 are 1U dense storage chassis for safety and security workloads. The Dell R640 delivers excellent value to its customer, set your budget and use our. The first eight NVMe drives connect directly to CPU2, while the last two NVMe drivesR640 Front ports: Video, 1 x USB 2. Boot device. NIC indicator codes; Power supply unit indicator codes; Drive indicator codes. At the bottom of the page, click Apply and Reboot. 24 DIMM slots supporting up to 1536 GB of memory. 14TB of DCPMM RAM (or 7. my reason is 128gb memory is highly expensive so I choose 64gb instead. 12 cores, 2. 15. configuration of all firmware settings via baseboard management controller interfaces. All appears to be working ok, apart from the fans are now running at ~11,000 rpm rather than the ~3,800 rpm they were on the previous version. Summary. Expansion bus specifications. The PowerEdge R640 is a general purpose platform expandable up to 1. MLPerf Consortium has released the second round of results v0. with two 800 GB drives arranged in a RAID 1 (mirrored) configuration for a total of 800 GB available storage. A1 and B1 - Rank 2 hynixThe Dell PowerEdge R640 Server is the ideal dual socket, 1U platform for dense scale out data center computing. Up to 1 TB maximum in an unbalanced memory configuration. Advanced ECC (Lockstep) Memory Optimized (Independent Channel) Mode; Memory Sparing; Memory Mirroring; Sample memory configurations; Removing Memory Modules; Installing Memory Modules; Hard Drives. 2. The other four hot-swappable (middle) fans are mounted. 5-inch hard drives or 4 x 3. Powered by 2nd Generation dual Intel Xeon Scalable processors, the R640 can also be configured with a maximum of 6. Download the PDF manual and get access to diagnostic tools, procedures, and best practices. 5-inch hard drives or 4 x 3. Pre-Configured or custom build available. 2. Cooling fan specifications. 2666 MT/s DDR4 memory The Intel XeonSca albelP rocessor product family that supports 2666 MT/s memory and twenty-four 288-pin DIMMs. See the Memory section for details. 4. Example for R740 Displayed language can be changed in the top section. 5-inch hard drives on the back panel. 5-inch hard drives on the front panel with optional support for 2 X 2. NOTE: All instances of SAS, SATA hard drives and SSDs are referred to as drives in this document, unless specified otherwise.