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Green circuit board with black memory chips, gold edge connector, no heat spreader

NEMIX RAM

NEMIX RAM RS520A-E12-RS24U 32GB DDR5 4800 ECC RDIMM memory upgrade

SKU CH-GKG9-K07TX MPN RS520A-E12-RS24U

A 32 GB DDR5 4800 ECC RDIMM module built for the ASUS RS520A-E12-RS24U server

  • Total capacity32 GB
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • ECC protection guards data integrity in critical workloads
  • DDR5 4800 speed delivers high bandwidth for demanding applications
  • Registered design stabilises signal quality on dense server platforms
  • 1 V operation reduces power draw per module
  • Validated for ASUS RS520A-E12-RS24U 2U server compatibility

32GB DDR5 4800 ECC RDIMM module

This 32GB DDR5 4800 ECC RDIMM module is built for the ASUS RS520A-E12-RS24U server. It runs at 4800MT/s with CL40 latency at 1.10V. The registered 1Rx4 design uses major OEM chips for stability. It installs in a 288-pin DDR5 slot.

Suited for single-module capacity upgrades

This module suits administrators adding 32GB to compatible ASUS server platforms. It is not for systems that require unbuffered UDIMM memory or non-ECC operation. Buyers needing higher frequencies or lower latencies should look elsewhere. Multi-module kits are not included.

Registered ECC with 1Rx4 organisation

The single specification that decides fit is the registered ECC RDIMM format with 1Rx4 organisation. Only platforms that support registered DDR5 ECC at 4800MT/s can use this module. Verify the motherboard qualification list before purchase. Mismatched memory types will prevent boot.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $824.99
Pricier than about 58% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $25.78 per GB
Pricier than about 71% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineASUS Server Motherboard Compatible Series Memory
Model nameASUS DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-314K1
Total capacity32 GB
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank1Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASUS
In the box
Included items32 GB (1 × 32 GB) DDR5 4800 MHz PC5-38400 1Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

Does the DDR5 4800 interface limit real-world bandwidth to the PC5-38400 rating?

Yes, the module runs at DDR5 4800 with a PC5-38400 data rate, so sustained throughput is capped at that specification.

Will this 288-pin RDIMM fit the ASUS RS520A-E12-RS24U 2U server chassis?

The module is built to the 288-pin DDR5 RDIMM form factor and is validated for the ASUS RS520A-E12-RS24U single-socket 2U server.

Is there a specific slot order or BIOS step required when installing this 1Rx4 registered ECC DIMM?

Install the DIMM in the slot sequence shown in the server manual, ensure the ejector clips lock fully, then enable ECC in BIOS so the registered buffer initialises correctly.

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