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Four green DDR5 RDIMM modules, no heat spreaders, 288-pin, 256GB kit

NEMIX RAM

NEMIX RAM 256GB (4X64GB) DDR5 4800 CL40 2Rx4 1.1V ECC RDIMM Dell XE9640 memory upgrade

SKU CH-0G7G-F2JN9

Four-module kit adds 256 GB of DDR5 4800 ECC registered memory to Dell PowerEdge XE9640 servers

  • Total capacity256 GB (4 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 256 GB total capacity from four 64 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered RDIMM design for data integrity
  • 2Rx4 dual-rank organisation with CL40 latency
  • 1 V low-voltage operation on 288-pin DDR5 form factor

256GB DDR5 ECC RDIMM kit for Dell PowerEdge XE9640

This 256GB kit contains four 64GB DDR5 4800 registered DIMMs with ECC and a CL40 latency. It is built for the Dell PowerEdge XE9640 server and operates at 1.1V using 2Rx4 organization. The modules use major OEM DRAM from Samsung, Micron or Hynix.

Verify Dell PowerEdge XE9640 memory population rules

Confirm that your Dell PowerEdge XE9640 supports 256GB of DDR5 4800 registered ECC memory in a four-DIMM configuration. Check the system manual for approved population sequences, maximum capacity per channel and any BIOS version requirements before installing this kit.

Kit delivers matched quad-channel set

The package supplies four identical 64GB modules tested together for stability under load. This matched quad-channel kit simplifies installation and helps maintain signal integrity across all populated slots. The supplier backs the modules with a lifetime replacement guarantee.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $6,254.99
Pricier than about 82% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (4 × 64 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $24.43 per GB
Pricier than about 69% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineDell Server/Workstation Compatible Series Memory
Model nameDell DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-924K4
Total capacity256 GB (4 × 64 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsDell
In the box
Included items256 GB (4 × 64 GB) DDR5 4800 MHz PC5-38400 2Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Does the 256 GB kit include all four 64 GB modules or do I need to buy extra sticks?

The package contains four 64 GB RDIMMs giving 256 GB total; no additional modules are required.

Should I choose the 256 GB 4×64 GB CL40 kit or a different capacity for my Dell PowerEdge XE9640?

This 4×64 GB CL40 kit matches the XE9640’s validated configuration; select it when you need the full 256 GB capacity.

What does the DDR5 4800 CL40 rating deliver once installed in the XE9640?

The memory runs at 4800 MT/s with CAS latency 40 at 1.10 V, providing registered ECC stability for the server workload.

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