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Two green DDR5 RDIMM modules with black chips and gold contacts

NEMIX RAM

NEMIX RAM RS520A-E12-RS12U 128GB (2x64GB) DDR5 4800 CL40 ECC RDIMM memory upgrade

SKU CH-PXXB-HZDR7 MPN RS520A-E12-RS12U

128 GB DDR5 ECC registered server memory kit with two 64 GB modules at 4800 MT/s CL40, 1.1 V, 288-pin RDIMM

  • Capacity128GB (2 x 64GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 128GB dual-module kit expands server capacity
  • DDR5 4800 CL40 delivers high-throughput bandwidth
  • ECC registered RDIMM protects data integrity
  • 1V operation reduces power draw
  • Validated for ASUS RS520A-E12-RS12U server

Targeted server upgrade

This 128GB kit contains two 64GB DDR5 4800 CL40 ECC RDIMM modules built for the ASUS RS520A-E12-RS12U single-socket 2U server. Registered 2Rx4 chips operate at 1.1V and provide PC5-38400 bandwidth for memory-intensive workloads.

Who this suits

IT teams expanding virtualisation hosts, database nodes or compute clusters on this exact platform gain validated stability and error correction. Buyers needing unbuffered DIMMs, higher speeds or consumer motherboard compatibility should look elsewhere.

Build integration

The 288-pin RDIMMs slot directly into the server's DDR5 channels without extra cabling or cooling. Registered buffering reduces electrical load on the memory controller, freeing headroom for maximum population across all available slots.

商品特色

  • 128GB dual-module kit expands server capacity
  • DDR5 4800 CL40 delivers high-throughput bandwidth
  • ECC registered RDIMM protects data integrity
  • 1V operation reduces power draw
  • Validated for ASUS RS520A-E12-RS12U server

商品規格

BrandNEMIX RAM
SeriesASUS Server Motherboard Compatible Series Memory
ModelASUS DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-924K2
Capacity128GB (2 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 Content128GB (2X64GB) DDR5 4800MHZ PC5-38400 2Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

商品問答

Does my ASUS RS520A-E12-RS12U server need any specific firmware version before I install these DDR5 4800 RDIMMs?

The kit is validated for the ASUS RS520A-E12-RS12U; apply the latest system BIOS from ASUS before installation so the memory controller initialises the 4800 MT/s speed and ECC correctly.

Can I keep my existing DDR5 4800 ECC RDIMMs and add this 128 GB kit to the same server?

Yes, provided the installed modules are also DDR5 4800 ECC RDIMM 2Rx4 at 1.1 V; populate remaining slots per the motherboard manual to maintain matched ranks per channel.

How do I confirm the 128 GB kit is running at 4800 MT/s with ECC active after boot?

Enter the BIOS or use a tool such as dmidecode — look for DDR5-4800, PC5-38400, CL40 timings and ECC status reported as enabled for each 64 GB module.

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