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Four green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 256GB (4x64GB) DDR5 4800 CL40 2Rx4 ECC RDIMM Dell XR8610t/XR8620t memory upgrade

SKU CH-QNT2-TSYA8

Registered ECC DDR5 kit adds 256 GB across four 64 GB modules at 4800 MT/s CL40 for Dell PowerEdge XR8610t and XR8620t servers

  • Capacity256GB (4 x 64GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 256 GB total capacity across four 64 GB modules
  • DDR5 4800 speed for high-throughput server workloads
  • ECC registered design protects data integrity under load
  • 2Rx4 organisation with CL40 latency at 1.1 V
  • Validated for Dell PowerEdge XR8610t and XR8620t rack servers

Dell PowerEdge XR8610t and XR8620t memory kit

This 256GB kit contains four 64GB DDR5 4800 registered ECC RDIMMs built for Dell PowerEdge XR8610t and XR8620t rack servers. The modules run at 1.1V with CL40 latency and a 2Rx4 organisation. They are designed for IT teams who need maximum capacity in these specific Dell platforms.

Replacing lower-capacity DDR5 RDIMMs

Upgrading from smaller registered modules is worthwhile when workloads demand more memory channels filled at the native 4800 MT/s speed. The jump makes sense for virtualisation hosts, database nodes or high-density compute clusters that hit capacity limits before they hit bandwidth limits. Systems already running at the full 256GB population cannot add more memory without changing platform.

DDR5 4800 registered ECC limits

The DDR5 4800 standard caps transfer rate at 4800 MT/s and requires registered DIMMs with on-die ECC for this server class. Voltage is fixed at 1.1V and the 288-pin RDIMM form factor prevents use in unbuffered or UDIMM slots. Maximum capacity per module is 64GB at this speed, so further density increases need a newer memory generation.

Highlights

  • 256 GB total capacity across four 64 GB modules
  • DDR5 4800 speed for high-throughput server workloads
  • ECC registered design protects data integrity under load
  • 2Rx4 organisation with CL40 latency at 1.1 V
  • Validated for Dell PowerEdge XR8610t and XR8620t rack servers

Specifications

BrandNEMIX RAM
SeriesDell Server/Workstation Compatible Series Memory
ModelDell DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-924K4
Capacity256GB (4 x 64GB)
SpeedDDR5 4800 (PC5 38400)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemDell
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank2Rx4
FeaturesDDR5 ECC Registered RDIMM Server Motherboard Compatible
Package Content256GB (4X64GB) DDR5 4800MHZ PC5-38400 2Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Will these 288-pin DDR5 RDIMM modules fit the Dell PowerEdge XR8610t and XR8620t rack servers?

Yes, the kit is validated for Dell PowerEdge XR8000 series including the XR8610t and XR8620t models.

What is the correct order for installing the four 64 GB modules to enable quad-channel operation?

Populate the memory slots according to the Dell owner's manual channel layout; the common mistake is placing modules in the wrong bank sequence.

How often should the ECC registered RDIMMs be stress-tested after deployment in a production server?

Run a full memory diagnostic at initial bring-up and after any firmware update; periodic re-tests are recommended during scheduled maintenance windows.

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