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Eight green DDR5 RDIMM sticks in a row

NEMIX RAM

NEMIX RAM 128GB (8x16GB) DDR5 4800 CL40 1.1V ECC RDIMM Dell PowerEdge XR7620 memory upgrade

SKU CH-TZ7B-PGB2N

Eight 16 GB DDR5 4800 CL40 ECC registered modules totalling 128 GB at 1.1 V for Dell PowerEdge XR7620

  • Capacity128GB (8 x 16GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 128GB total capacity across eight 16GB modules
  • DDR5 4800 speed with PC5-38400 bandwidth rating
  • ECC registered design protects data integrity in servers
  • Low 1.10V operating voltage reduces power draw
  • Validated for Dell PowerEdge XR7620 rack server compatibility

128GB DDR5 ECC RDIMM kit for Dell PowerEdge XR7620

This 128GB kit contains eight 16GB DDR5 4800 RDIMM modules built with ECC and registered buffering. It is intended for administrators upgrading a Dell PowerEdge XR7620 rack server that requires registered ECC memory. The 288-pin form factor matches the server's DIMM slots exactly.

Sustained-load behaviour

The modules operate at DDR5 4800 with a CAS latency of CL40 and a voltage of 1.1V. Registered buffering reduces electrical load on the memory controller during continuous operation. ECC corrects single-bit errors in real time, helping maintain data integrity under prolonged heavy workloads such as virtualization or database tasks.

Build quality and daily handling implications

Chips are sourced from major OEM suppliers including Samsung Micron and Hynix. The kit ships as eight individual 1Rx8 RDIMMs without heat spreaders, allowing dense population of all available slots. Each module is stress tested under load before packaging to verify stability in the target platform.

Highlights

  • 128GB total capacity across eight 16GB modules
  • DDR5 4800 speed with PC5-38400 bandwidth rating
  • ECC registered design protects data integrity in servers
  • Low 1.10V operating voltage reduces power draw
  • Validated for Dell PowerEdge XR7620 rack server compatibility

Specifications

BrandNEMIX RAM
SeriesDell Server/Workstation Compatible Series Memory
ModelDell DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-618K8
Capacity128GB (8 x 16GB)
SpeedDDR5 4800 (PC5 38400)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemDell
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank1Rx8
FeaturesDDR5 ECC Registered RDIMM Server Motherboard Compatible
Package Content128GB (8X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How much power does the 1.1 V DDR5 4800 CL40 RDIMM kit draw when the XR7620 runs continuously?

Each 16 GB module operates at 1.1 V, the standard DDR5 voltage, so the eight-module kit draws only the power required by the server's memory subsystem at that voltage.

What must the Dell PowerEdge XR7620 already have for this 128 GB registered ECC kit to function?

The server needs available 288-pin DDR5 RDIMM slots and a BIOS that supports 1Rx8 registered ECC modules at 4800 MT/s.

Will the 1Rx8 registered ECC modules work in the XR7620 alongside any existing DDR5 RDIMMs of a different rank or speed?

Dell's memory population rules for the XR7620 require matching rank and speed per channel; mixing 1Rx8 CL40 modules with other ranks or speeds may prevent the system from booting.

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