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Sixteen green DDR5 RDIMM modules in a tray

NEMIX RAM

NEMIX RAM 2TB (16x128GB) DDR5 4800 PC5-38400 4Rx4 CL40 1.1V ECC RDIMM Dell PowerEdge XE9680

SKU CH-ZXKG-APSMA

A 2 TB DDR5 registered ECC kit of sixteen 128 GB modules running at 4800 MT/s with CL40 latency for Dell PowerEdge XE9680 servers

  • Total capacity2 TB (16 × 128 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • Massive 2 TB capacity from 16 x 128 GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered RDIMM ensures data integrity under load
  • 1 V operation keeps power draw low
  • Validated for Dell PowerEdge XE9680 server compatibility

Dell PowerEdge XE9680 memory kit

This 2 TB kit contains sixteen 128 GB registered DDR5 ECC RDIMMs built for the Dell PowerEdge XE9680. Each module runs at 4800 MT/s with CL40 latency at 1.1 V using a 288-pin form factor. The 4Rx4 organisation and major OEM chipsets target enterprise workloads that require maximum capacity per slot.

Thermals noise and power draw

Registered DDR5 modules operate at 1.1 V, reducing power draw per gigabyte compared with previous generations. No heat spreaders are fitted, so airflow through the server chassis handles cooling. ECC and registered signalling add minimal latency while maintaining data integrity under sustained load.

Upgrade path and value

This kit replaces lower-capacity RDIMM sets or fills empty slots to reach the platform's maximum supported memory. The jump is worth it when virtualisation density, in-memory databases or AI training datasets exceed the limits of smaller configurations. Buyers who need non-registered DIMMs or consumer form factors should look elsewhere.

How it compares

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

Price $57,822.99
Pricier than about 97% of the 21,161 comparable items (median $397.99).
Total capacity 2 TB (16 × 128 GB)
Higher than about 99% of the 20,941 comparable items (median 32 GB).
Price per GB $28.91 per GB
Pricier than about 82% 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 numberMR38400-744K16
Total capacity2 TB (16 × 128 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 rank4Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsDell
In the box
Included items2 TB (16 × 128 GB) DDR5 4800 MHz PC5-38400 4Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

How do I install the 16 DDR5 RDIMM modules in the Dell PowerEdge XE9680 and which step is often missed?

Power down the server, open the chassis, align each 288-pin module with its slot and press firmly until the ejectors lock; the step often missed is confirming the memory configuration in the BIOS after boot so all 2 TB are recognised.

What maintenance or replacement will the 16x128 GB ECC RDIMM kit need over its service life?

No scheduled maintenance is required; if a module fails the ECC logic will report correctable errors and the faulty stick can be replaced individually under the lifetime replacement warranty.

What limit appears first when the 4Rx4 DDR5 4800 memory runs under sustained load in the XE9680?

The 1.10 V operating voltage and CL40 latency define the thermal and timing envelope; sustained heavy workloads will hit the thermal throttling threshold of the registered DIMMs before bandwidth saturation occurs.

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