Dell PowerEdge R640 Dual Xeon Gold 5218R, 768 Go DDR4, PERCless, deux SSD 960 Go, bloc d'alimentation redondant 750 W
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  • Numéro de pièce:Dell PowerEdge R640
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Title

Dell PowerEdge R640 Dual Xeon Gold 5218R, 768 GB DDR4, PERCless, Dual 960 GB SSDs, 750 W Redundant PSU

Keywords

Dell PowerEdge R640, Xeon Gold 5218R, 768 GB DDR4 memory, PERCless embedded SATA, 960 GB SSDRead-Intensive, 750W redundant PSU, Broadcom 5720 1GbE LOM, ConnectX-5 10/25GbE NIC

Description

The Dell PowerEdge R640 is a high density 1U dual-socket server platform designed for data center scale-out and virtualization use. According to Dell’s official spec sheet, the R640 supports up to two Intel Xeon Scalable processors, up to 24 DIMMs, and flexible front drive configurations. 

Your configuration uses **2 × Intel Xeon Gold 5218R** (20 cores / 40 threads each), maximizing compute capacity while leveraging a platform without a separate RAID controller (“No Controller”) and relying on embedded SATA. The CPUs are supported by the R640 architecture. 

Memory configuration includes **12 modules of 32 GB DDR4-3200 RDIMM** (dual rank), totaling 384 GB *per socket* = 768 GB overall (since both sockets): this arrangement gives strong memory density and bandwidth. The configuration lists “3200 MT/s RDIMMs” as the speed.

Storage is realized via **2 × 960 GB SATA Read-Intensive SSDs** (6 Gbps, 512e, hot-plug). Since there is “No Controller” selected and “No RAID with Embedded SATA,” this system relies on host OS or software RAID to manage the drives rather than hardware RAID.

Power is provided by **a pair of 750W hot-plug redundant PSUs** (1+1), giving sufficient headroom for normal loaded operation. Cooling is provided by **8 performance fans** designated for the R640 chassis.

On the networking side, the system includes a **Broadcom 5720 quad port 1GbE LOM**, and dual **ConnectX-5 10/25GbE adapters** (slot 1 and slot 3), enabling high throughput connectivity paths. The config also indicates “LOT9 CE Value 25Gb Dual Port” adapters. These provide flexibility in mixed network environments.

Key Features

Configuration

Module / ComponentOption / ValueQty
BasePowerEdge R640 Server (210-AKWU)1
Additional ProcessorIntel Xeon Gold 5218R2
DIMM BlanksFor 2 CPU system1
HeatsinksStandard 1U Heatsink (for both CPUs)2
Memory ProfilePerformance Optimized1
Operating SystemNone (no OS)1
Media KitsNo media required1
Power CordsC13 to C14, 10A, 2 m2
PCIe RiserConfig 2, 3 × x16 LP1
MotherboardR640 MLK Motherboard1
iDRACiDRAC9 Enterprise1
Management ToolsOpenManage Enterprise Advanced1
Luggage TagDell EMC Luggage Tag1
Internal Optical DriveNone for x4/x8 HDD chassis1
Systems DocumentationNone, no OpenManage DVD1
Shipping MaterialR640 for 8 HDD chassis1
Regulatory MarkingCE/CCC/BIS Marking1
Chassis2.5″ chassis with up to 8 drives + 3 PCIe slots, SATA only1
Embedded SATA RAIDNo RAID with embedded SATA1
Storage ControllerNo separate controller1
SSDs960 GB SATA Read-Intensive SSDs (hot-plug)2
Power SupplyDual 750W hot-plug redundant1
TPM ModuleNone1
BIOS SettingPerformance BIOS1
Usage IntentFor embedded / server appliance use1
Support ProgramCSO OEM Enterprise Program Support EMEA1
iDRAC PasswordLegacy iDRAC password1
iDRAC Group ManagerDisabled1
ProSupportOne Data Center + 4hr Mission Critical 36 mo1
rNDC NICBroadcom 5720 quad 1GbE BASE-T1
Memory Modules32 GB RDIMM, 3200 MT/s12
Extended WarrantyProSupport Extension 24 mo1
25GbE NICLOT9 CE Value 25Gb Dual Port2
Info / Tracking ModuleInfo / CS / Tracking EMEA1
Misc Info ModuleSR000753877 Info1
ConnectX-5 NIC (slot1)Mellanox ConnectX-5 10/25GbE LP1
ConnectX-5 NIC (slot3)Mellanox ConnectX-5 10/25GbE LP1
OEM TagCS BK6L1B-01 OEM Tag R6401
Config Services (HW Install)Enterprise Hardware Installation2
Config Services (BIOS/iDRAC)Custom BIOS / iDRAC settings1

Compatibility

The R640 supports dual Intel Xeon Scalable series CPUs. According to Dell’s spec sheet, it supports up to 24 DIMM slots and multiple front drive configurations (up to 10 NVMe or 12 × 2.5″ SAS/SATA) depending on backplane choice.

Your configuration uses a specific motherboard (MLK) and chassis variant (2.5″, up to 8 drives, SATA only), which constrains your storage options. The “No Controller” option means you rely on embedded SATA or OS-level RAID. Network adapters (Broadcom 5720, ConnectX-5) are valid expansion NICs for this platform.

Power and thermal design: dual 750W PSUs and 8 high performance fans align with Dell’s cooling/power envelope for dense R640 builds. The spec sheet also supports dual PSUs as standard. 

Usage Scenarios

1) Virtualization & Application Hosting: This configuration is suitable for hosting virtual machines or microservices, given the dual CPUs and large memory pool.

2) Storage Node / Cache Server: With dual SSDs and the option to add high-speed NICs (ConnectX-5), the server can act as a caching / front end node in a storage architecture.

3) Network Bridge / Gateway: With multi-NIC support including 25GbE, it can serve as high throughput gateway or front end to larger networks or fabrics.

4) Lightweight SAN / FC Gateway: The included FC HBA enables connection to fibre channel fabrics; this server can bridge host compute and SAN layers.

5) Edge / Appliance Use: Given the “embedded / appliance” note in the config, this server is well suited to appliances, network functions, or compact edge compute boxes.

Frequently Asked Questions

  1. Q: With “No Controller” selected, how is drive redundancy handled?
    A: You must rely on operating system or software RAID, or use host-based RAID solutions. Without a hardware RAID controller, drive redundancy is managed at software level.
  2. Q: Can I upgrade to faster memory than 3200 MT/s?
    A: The R640 platform supports various memory speeds depending on CPU and DIMM configuration. But with many modules populated, the memory may operate at lower speeds due to electrical constraints.
  3. Q: Are the ConnectX-5 NICs fully supported in this chassis?
    A: Yes, provided your server has PCIe low-profile slots and firmware / driver support, the ConnectX-5 dual 10/25GbE NICs are valid high-speed network expansion options.
  4. Q: Why choose 750W PSUs instead of higher wattage units?
    A: 750W dual redundant PSUs often suffice for many 1U R640 builds with SSDs and typical NICs. They offer efficiency and enough overhead for this configuration while keeping costs and heat manageable.
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