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Eight green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 1TB (8x128GB) DDR5 4800 PC5-38400 CL40 4Rx4 1.1V 288-Pin ECC RDIMM for Dell PowerEdge XR7620

SKU CH-E06Y-ZJM3N

Eight 128 GB DDR5 registered ECC modules deliver 1 TB at 4800 MT/s CL40 for the Dell PowerEdge XR7620

  • Total capacity1 TB (8 × 128 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 1TB total capacity with eight 128GB modules
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered design detects and corrects data errors
  • Low 1.10V operating voltage reduces power draw
  • Validated for Dell PowerEdge XR7620 rack servers

System-specific DDR5 kit

This NEMIX RAM kit delivers 1TB of DDR5 4800 registered ECC memory across eight 128GB modules. It is built for the Dell PowerEdge XR7620 rack server and targets IT teams expanding capacity in that platform.

Registered ECC build

Each module uses a 288-pin RDIMM form factor with 4Rx4 organisation and runs at 1.1V. The registered design and on-die ECC protect data integrity under sustained server workloads while the lack of heat spreaders keeps the profile compatible with dense chassis airflow.

Validated module set

The eight-module package is tested as a matched kit for the XR7620, reducing the risk of population-order errors during installation. NEMIX RAM stress-tests every unit under load and backs the kit with a lifetime replacement warranty and US-based technical support.

How it compares

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

Price $30,329.99
Pricier than about 93% of the 21,161 comparable items (median $397.99).
Total capacity 1 TB (8 × 128 GB)
Higher than about 93% of the 20,941 comparable items (median 32 GB).
Price per GB $30.33 per GB
Pricier than about 87% 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 numberMR38400-744K8
Total capacity1 TB (8 × 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 items1 TB (8 × 128 GB) DDR5 4800 MHz PC5-38400 4Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

What maximum data rate does the DDR5 4800 interface deliver on this kit?

The DDR5 4800 interface on this kit is rated at PC5-38400, which corresponds to a 4800 MT/s transfer rate.

What physical slot and module dimensions are required for these 128GB RDIMMs?

Each module uses a 288-pin DDR5 RDIMM form factor and the kit contains eight 128GB sticks that must occupy eight DIMM slots.

How are these registered ECC modules installed and which step is often missed?

Align the notch on each 288-pin RDIMM with the slot key, press firmly until the retention clips click, then verify in BIOS that all eight modules are detected at 4800 MT/s with ECC active.

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