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Two green DDR5 RDIMM modules, bare circuit boards with black chips, 288 pins

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR5 4800 CL40 ECC RDIMM memory upgrade for Dell PowerEdge XE9640

SKU CH-8PYD-4CRA7

A 64GB DDR5 4800 CL40 ECC registered dual-rank kit in two 32GB modules for Dell PowerEdge XE9640 servers

  • Capacity64GB (2 x 32GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • Dual 32 GB modules deliver 64 GB total capacity
  • DDR5 4800 speed with CL40 latency for responsive server workloads
  • ECC registered design protects data integrity in mission-critical systems
  • 1 V operation reduces power draw under heavy load
  • Validated for Dell PowerEdge XE9640 compatibility

Dell PowerEdge XE9640 memory upgrade

This 64 GB kit contains two 32 GB DDR5 4800 CL40 ECC RDIMM modules built for the Dell PowerEdge XE9640 server. Registered buffering and on-die ECC protect data integrity in multi-socket workloads. The kit targets IT teams expanding memory capacity on qualified Dell platforms.

Tool-free DIMM installation with alignment keys

The 288-pin RDIMM form factor seats in the server's memory slots using the standard ejection levers; no special tools are required. Common issues include mixing registered and unbuffered modules or populating slots in an order the firmware does not support. Always follow the system service manual for slot population rules.

Verify slot count and firmware before ordering

Confirm the XE9640 has enough free RDIMM slots for a two-module kit and that the current BIOS revision supports 32 GB dual-rank DDR5 4800 modules. The platform must accept 1.10 V registered memory with CL40 timing. Mixed-rank or mixed-speed configurations may prevent the system from posting.

Pontos fortes

  • Dual 32 GB modules deliver 64 GB total capacity
  • DDR5 4800 speed with CL40 latency for responsive server workloads
  • ECC registered design protects data integrity in mission-critical systems
  • 1 V operation reduces power draw under heavy load
  • Validated for Dell PowerEdge XE9640 compatibility

Especificações

BrandNEMIX RAM
SeriesDell Server/Workstation Compatible Series Memory
ModelDell DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-328K2
Capacity64GB (2 x 32GB)
SpeedDDR5 4800 (PC5 38400)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemDell
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank2Rx8
FeaturesDDR5 ECC Registered RDIMM Server Motherboard Compatible
Package Content64GB (2X32GB) DDR5 4800MHZ PC5-38400 1Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Perguntas sobre este artigo

How can I verify the 4800 MT/s speed and CL40 latency are active after installing the modules in the XE9640?

Check the memory speed and CAS latency in the system BIOS or with a tool such as CPU-Z; both should show 4800 MT/s and CL40 for each 32 GB module.

What exactly ships in the kit and do I need any extra brackets or cables for the PowerEdge XE9640?

The box contains two 32 GB DDR5 4800 CL40 ECC RDIMMs (2Rx8, 1.1 V, 288-pin); no additional brackets, cables or heat spreaders are required for the XE9640.

Should I choose the 64 GB (2 x 32 GB) kit or a different capacity for the XE9640?

Select the 64 GB kit (part number MR38400-328K2) when you need two 32 GB registered ECC modules; other capacities would use different part numbers not covered by this listing.

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