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Sixteen green DDR5 RDIMM modules in a tray

NEMIX RAM

NEMIX RAM RS720A-E12-RS12 512GB (16x32GB) DDR5 4800 CL40 ECC RDIMM memory upgrade

SKU CH-6RPW-Q9PP1 MPN RS720A-E12-RS12

A 512GB DDR5 ECC registered server memory kit containing sixteen 32GB modules at 4800MHz CL40 1.1V for ASUS RS720A-E12-RS12

  • Capacity512GB (16 x 32GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 512GB total capacity scales demanding server workloads with 16 modules of 32GB each
  • DDR5 4800 speed delivers high bandwidth at PC5-38400 for data-intensive applications
  • ECC registered design detects and corrects errors to maintain data integrity under load
  • 1V operation reduces power draw across all 16 DIMMs in dense configurations
  • Validated for ASUS RS720A-E12-RS12 2U dual-processor server ensures drop-in compatibility

Target system and capacity

This 512 GB kit contains sixteen 32 GB DDR5 RDIMMs built for the ASUS RS720A-E12-RS12 2U dual-processor server. The modules are registered and ECC-enabled to meet enterprise stability requirements.

Registered ECC and single-rank layout

Registered buffering and on-die ECC protect data integrity under sustained workloads. A 1Rx4 organisation keeps each module at a single rank, allowing the memory controller to address all sixteen modules without exceeding rank limits.

DDR5 4800 electrical constraints

The DDR5 4800 interface runs at 1.10 V with a CAS latency of CL40. Bandwidth and latency are fixed by the JEDEC PC5-38400 standard, so the kit cannot exceed these timing or voltage parameters.

Highlights

  • 512GB total capacity scales demanding server workloads with 16 modules of 32GB each
  • DDR5 4800 speed delivers high bandwidth at PC5-38400 for data-intensive applications
  • ECC registered design detects and corrects errors to maintain data integrity under load
  • 1V operation reduces power draw across all 16 DIMMs in dense configurations
  • Validated for ASUS RS720A-E12-RS12 2U dual-processor server ensures drop-in compatibility

Specifications

BrandNEMIX RAM
SeriesASUS Server Motherboard Compatible Series Memory
ModelASUS DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-314K16
Capacity512GB (16 x 32GB)
SpeedDDR5 4800 (PC5 38400)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemASUS
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank1Rx4
FeaturesDDR5 ECC Registered RDIMM Server Motherboard Compatible
Package Content512GB (16X32GB) DDR5 4800MHZ PC5-38400 1Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

Will the 16 registered DIMMs need any firmware updates or scheduled replacement in a 2U server?

The DDR5 4800 CL40 1Rx4 modules are validated for the ASUS RS720A-E12-RS12 and run at 1.10 V with ECC; no firmware updates or planned replacement intervals are required.

What limit appears first when all 512 GB run at DDR5 4800 continuously?

The CL40 latency at PC5-38400 sets the throughput ceiling; sustained load hits that timing boundary before any voltage or thermal constraint.

How much heat and noise do the 288-pin RDIMMs add when the server runs all day?

Bare modules without heat spreaders operate at 1.10 V, so they add minimal heat and no audible noise; system fans handle the thermal load.

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