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Four green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM RS520A-E12-RS12U 512GB (4x128GB) DDR5 4800 CL40 ECC RDIMM memory upgrade

SKU CH-X7A4-E8ESK MPN RS520A-E12-RS12U

512 GB DDR5 4800 ECC RDIMM kit with four 128 GB modules for ASUS RS520A-E12-RS12U servers

  • Capacity512GB (4 x 128GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 512 GB total capacity with four 128 GB modules
  • DDR5 4800 speed for high-throughput server workloads
  • ECC registered design protects data integrity
  • 1 V operation reduces power draw
  • Validated for ASUS RS520A-E12-RS12U 2U server

512 GB DDR5 ECC RDIMM kit

This 512 GB kit contains four 128 GB DDR5 4800 CL40 registered DIMMs built for the ASUS RS520A-E12-RS12U server. Each module runs at 1.1 V and uses a 4Rx4 organisation with on-die ECC for data integrity. The 288-pin form factor matches the platform memory slots exactly.

Who this suits and who it does not

The kit fits administrators expanding an ASUS RS520A-E12-RS12U to its full memory capacity with validated ECC registered modules. Buyers who need a different capacity, a non-ECC variant, or memory for another server platform should look at other options.

DDR5 4800 CL40 registered ECC spec

The decisive specification is the DDR5 4800 CL40 registered ECC configuration in a 4 x 128 GB kit. Only systems that accept this exact speed, latency, rank structure and voltage will operate correctly with these modules.

商品特色

  • 512 GB total capacity with four 128 GB modules
  • DDR5 4800 speed for high-throughput server workloads
  • ECC registered design protects data integrity
  • 1 V operation reduces power draw
  • Validated for ASUS RS520A-E12-RS12U 2U server

商品規格

BrandNEMIX RAM
SeriesASUS Server Motherboard Compatible Series Memory
ModelASUS DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-744K4
Capacity512GB (4 x 128GB)
SpeedDDR5 4800 (PC5 38400)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemASUS
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank4Rx4
FeaturesDDR5 ECC Registered RDIMM Server Motherboard Compatible
Package Content512GB (4X128GB) DDR5 4800MHZ PC5-38400 4Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

商品問答

Does the 288-pin DDR5 RDIMM form factor fit the ASUS RS520A-E12-RS12U server?

Yes, the kit uses 288-pin DDR5 RDIMM modules designed for that specific ASUS server model.

Which slots should I populate first when installing the four 128GB modules?

Follow the motherboard manual's population sequence for 4Rx4 registered DIMMs; skipping the recommended order is the common mistake.

Will the ECC registered modules require firmware updates or battery replacements over time?

No firmware or battery maintenance is needed; the modules are solid-state and validated for continuous server workloads.

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