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Four green DDR5 RDIMM sticks with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM RS720-E11-RS12U 256GB (4x64GB) DDR5 4800 CL40 ECC RDIMM memory upgrade

SKU CH-3A2T-AP241 MPN RS720-E11-RS12U

256 GB DDR5 ECC registered server memory kit with four 64 GB modules at 4800 MT/s CL40, validated for the ASUS RS720-E11-RS12U 2U dual-socket platform

  • 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 with PC5-38400 bandwidth rating
  • ECC registered design protects data integrity in servers
  • Low 1.1 V operation reduces power draw
  • Validated for ASUS RS720-E11-RS12U 2U dual-socket server

System-Specific DDR5 ECC RDIMM Kit

This NEMIX RAM kit provides 256GB of DDR5 4800 memory across four 64GB registered DIMMs. It is built for the ASUS RS720-E11-RS12U 2U dual-socket server and operates at 1.1V with CL40 latency. The modules use major OEM chips and include on-die ECC for data integrity.

Suits admins upgrading that exact ASUS 2U server

Buyers needing memory for a different platform, a workstation board, or a consumer desktop should look elsewhere. This kit is validated only for the named RS720-E11-RS12U system. Systems requiring unbuffered DIMMs, lower capacities, or different pin counts cannot use these modules.

256GB total capacity in four registered DIMMs

The 4 x 64GB configuration fills four slots with 2Rx4 organisation at the PC5-38400 standard. This specific density and rank structure determines whether the server's memory controller can address the full amount. Verify the motherboard's qualified vendor list before purchasing.

Highlights

  • 256 GB total capacity across four 64 GB modules
  • DDR5 4800 speed with PC5-38400 bandwidth rating
  • ECC registered design protects data integrity in servers
  • Low 1.1 V operation reduces power draw
  • Validated for ASUS RS720-E11-RS12U 2U dual-socket server

Specifications

BrandNEMIX RAM
SeriesASUS Server Motherboard Compatible Series Memory
ModelASUS 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 SystemASUS
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

Does the 256GB kit ship as four 64GB modules or do I need to buy extra sticks?

The kit contains four 64GB DDR5 RDIMM modules for a total of 256GB; nothing else is required for installation.

Why choose the 2Rx4 64GB configuration over other capacities for this server?

Each 64GB module uses a 2Rx4 organisation, letting the ASUS RS720-E11-RS12U reach 256GB across four slots while keeping registered ECC operation at 4800 MT/s.

What does the CL40 4800 MT/s rating mean for real workloads on this platform?

At 4800 MT/s with CL40 latency the registered ECC modules deliver the rated throughput and error correction the ASUS dual-socket server expects for mission-critical tasks.

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