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Two green DDR5 RDIMM modules with black chips, no heat spreader

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR5 4800 CL40 ECC RDIMM Dell XE9680 memory upgrade

SKU CH-4BVT-B78MB

Adds 64 GB of DDR5 4800 ECC registered memory in a dual 32 GB kit for the Dell PowerEdge XE9680

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 64GB kit expands Dell XE9680 server capacity
  • DDR5 4800 CL40 delivers high-throughput registered performance
  • ECC RDIMM safeguards data integrity in mission-critical workloads
  • 10V operation reduces power draw per module
  • 2Rx8 Samsung Micron Hynix chips ensure enterprise-grade reliability

Dell PowerEdge XE9680 DDR5 ECC RDIMM upgrade

This 64 GB kit contains two 32 GB registered DIMMs built for the Dell PowerEdge XE9680 server. It targets administrators who need to expand memory capacity in a supported configuration.

Registered ECC at DDR5 4800 CL40

The modules run at DDR5 4800 with a CAS latency of CL40 and operate at 1.1 V. Registered ECC operation is the single specification that determines whether this kit matches the platform memory controller requirements.

Tool-less DIMM installation with population rules

Each 288-pin RDIMM seats in the server memory slots without tools. The main risk is violating the XE9680 population order; following the system service manual slot sequence avoids a no-post condition.

How it compares

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

Price $1,834.99
Pricier than about 67% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $28.67 per GB
Pricier than about 81% 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 numberMR38400-328K2
Total capacity64 GB (2 × 32 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 rank2Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsDell
In the box
Included items64 GB (2 × 32 GB) DDR5 4800 MHz PC5-38400 1Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

What does 4800 MT/s mean once the kit is installed in a Dell PowerEdge XE9680?

The modules run at the server's native DDR5 4800 speed, giving each 32 GB DIMM a peak bandwidth of PC5-38400 for compute-intensive workloads.

How does the registered ECC interface affect data integrity and capacity limits?

Registered signalling reduces electrical load on the memory controller, while on-die ECC corrects single-bit errors, allowing the XE9680 to populate all slots with 2Rx8 modules.

Will the 288-pin RDIMMs fit the XE9680 memory slots without a heat spreader?

Yes, the bare 288-pin DDR5 RDIMM form factor matches the Dell PowerEdge XE9680 DIMM sockets exactly; no spreader is required for the 1.1 V operating voltage.

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