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Two green 288-pin DDR5 RDIMM modules, no heat spreaders

NEMIX RAM

NEMIX RAM 256GB (2x128GB) DDR5 4800 CL40 1.1V 4Rx4 ECC RDIMM Dell PowerEdge R760xa memory upgrade

SKU CH-8G7T-XAX1S

A 256 GB DDR5 registered ECC memory kit with two 128 GB modules running at 4800 MT/s, CL40 latency and 1.1 V for the Dell PowerEdge R760xa

  • Capacity256GB (2 x 128GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • ECC protection guards data integrity with 4Rx4 registered DDR5
  • 256GB kit (2×128GB) expands server capacity for heavy workloads
  • 4800 MT/s DDR5 speed feeds Dell PowerEdge R760xa compute demands
  • 1V operation reduces power draw in dense rack deployments
  • 288-pin RDIMM form factor ensures direct slot compatibility

Dell PowerEdge R760xa DDR5 kit

This NEMIX RAM kit provides 256 GB of DDR5 4800 memory for the Dell PowerEdge R760xa. Two 128 GB modules operate at 1.1 V with CL40 latency and 4Rx4 organisation. ECC and registered buffering are built in for server reliability.

Suited for R760xa capacity upgrades

IT teams expanding a Dell PowerEdge R760xa will match the server's qualified DDR5 4800 specification. Systems that require unbuffered DIMMs, lower voltage, or a different pin count cannot use these modules.

Verify R760xa memory rules

Confirm the R760xa supports 4Rx4 registered DIMMs at this density and that the planned population order follows Dell's slot guidelines. Ensure the BIOS revision accepts 256 GB kits before installation.

Highlights

  • ECC protection guards data integrity with 4Rx4 registered DDR5
  • 256GB kit (2×128GB) expands server capacity for heavy workloads
  • 4800 MT/s DDR5 speed feeds Dell PowerEdge R760xa compute demands
  • 1V operation reduces power draw in dense rack deployments
  • 288-pin RDIMM form factor ensures direct slot compatibility

Specifications

BrandNEMIX RAM
SeriesDell Server/Workstation Compatible Series Memory
ModelDell DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-744K2
Capacity256GB (2 x 128GB)
SpeedDDR5 4800 (PC5 38400)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemDell
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank4Rx4
FeaturesDDR5 ECC Registered RDIMM Server Motherboard Compatible
Package Content256GB (2X128GB) DDR5 4800MHZ PC5-38400 4Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

What server is required for this 256 GB DDR5 4800 ECC RDIMM kit to work?

It is validated for the Dell PowerEdge R760xa rack server and will operate in that platform with the correct memory configuration.

Will this 4Rx4 registered DDR5 kit run at its rated 4800 MT/s if the R760xa already has slower DDR5 modules installed?

The server memory controller will negotiate a common speed; all populated slots typically run at the lowest rated module speed present.

How can I confirm the kit is running at DDR5 4800 with CL40 timings after installation?

Check the system BIOS or iDRAC memory inventory; it will report each module at 4800 MT/s, CL40, 1.1 V, registered ECC operation.

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