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Eight green DDR5 RDIMM sticks with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 512GB (8x64GB) DDR5 4800 CL40 ECC RDIMM Dell PowerEdge XE9680 memory upgrade

SKU CH-MNCM-NEJYM

Eight registered DDR5 modules deliver 512 GB of ECC memory at 4800 MT/s for the Dell PowerEdge XE9680

  • Total capacity512 GB (8 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 512 GB total capacity from eight 64 GB modules
  • DDR5 4800 speed with CL40 latency for server workloads
  • ECC registered RDIMM design protects data integrity
  • 10 V operation reduces power draw in dense configs
  • Validated for Dell PowerEdge XE9680 compatibility

Dell PowerEdge XE9680 memory kit

This 512 GB kit contains eight 64 GB DDR5 4800 registered DIMMs with ECC and CL40 latency. It is built for the Dell PowerEdge XE9680 server and runs at 1.1 V using 2Rx4 Samsung, Micron or Hynix chips.

Who this suits and who should look elsewhere

IT teams expanding memory in a Dell PowerEdge XE9680 will match the factory specification exactly. Buyers who need unbuffered modules, a different capacity per DIMM or a speed other than 4800 MT/s should choose another kit.

Installation notes

The 288-pin RDIMMs seat in the server's standard DDR5 slots without tools. Always follow the Dell service manual for population order and firmware updates; incorrect slot filling is the most common cause of a failed POST.

How it compares

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

Price $14,127.99
Pricier than about 90% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (8 × 64 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $27.59 per GB
Pricier than about 77% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Product lineDell Server/Workstation Compatible Series Memory
Model nameDell DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-924K8
Total capacity512 GB (8 × 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 items512 GB (8 × 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 Dell PowerEdge XE9680 need all 8 DIMM slots free to install this 8×64 GB kit?

The kit supplies eight 64 GB modules, so eight empty 288-pin DDR5 RDIMM slots are required for a full 512 GB population.

Can I keep my existing DDR5 4800 CL40 registered ECC modules and add this kit to the same server?

Mixing is possible only if the installed modules match the 2Rx4 rank layout, 1.10 V voltage and CL40 timing; otherwise the system will default to the slowest common settings.

How do I verify the full 512 GB is recognised and ECC is active after installation?

Check the BIOS memory map for 512 GB total and confirm ECC status shows enabled; the OS should report 512 GB with no correctable error count climbing under load.

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