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Sixteen green DDR5 RDIMM modules in a tray

NEMIX RAM

NEMIX RAM RS720-E11-RS24U 512GB (16x32GB) DDR5 4800 ECC RDIMM memory upgrade

SKU CH-HEE4-F4QBX MPN RS720-E11-RS24U

512 GB of DDR5 4800 ECC registered memory in sixteen 32 GB modules for the ASUS RS720-E11-RS24U server

  • Total capacity512 GB (16 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 512 GB total capacity from 16 modules of 32 GB
  • DDR5 4800 speed rated at PC5-38400 bandwidth
  • ECC registered RDIMM protects data integrity in servers
  • 1 V operating voltage reduces power draw per module
  • 288-pin DDR5 RDIMM form factor fits compatible ASUS 2U servers

Server-grade DDR5 ECC kit

This 512GB kit contains sixteen 32GB DDR5 4800 registered DIMMs built for the ASUS RS720-E11-RS24U 2U dual-socket server. Each module runs at 1.1V with CL40 latency and provides error-correcting code protection for mission-critical workloads. The 1Rx4 organisation and 288-pin form factor match the platform's memory subsystem exactly.

Registered ECC with 1Rx4 organisation

The single specification that decides fit is the registered ECC RDIMM design combined with a 1Rx4 rank structure at DDR5 4800 speed. Only modules presenting this exact electrical and logical profile will initialise correctly in the target server's memory controllers. Any deviation in rank, buffering or ECC capability prevents the system from posting.

Sixteen matched modules simplify deployment

The bundle delivers a full 512GB population in one package, eliminating the need to source and validate individual sticks from multiple lots. Matched kits reduce the risk of timing mismatches that can cause intermittent errors under sustained load. No additional software or accessories are included; installation follows the server manufacturer's documented memory-configuration rules.

How it compares

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

Price $13,761.99
Pricier than about 90% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (16 × 32 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $26.88 per GB
Pricier than about 74% 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 numberMR38400-314K16
Total capacity512 GB (16 × 32 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 items512 GB (16 × 32 GB) DDR5 4800 MHz PC5-38400 1Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

How does the 4800 MT/s speed translate once the kit is installed in the ASUS RS720-E11-RS24U server?

The modules run at DDR5 4800 (PC5-38400) with CL40 latency, delivering the rated throughput when the server's memory controller is set to that speed.

What does the registered ECC RDIMM interface mean for the memory controller in this system?

The 288-pin DDR5 RDIMM presents a registered, ECC-enabled load to the controller, allowing the full 512 GB capacity across 16 modules while maintaining signal integrity.

What physical slot and power requirements must the chassis meet for these 16 modules?

Each 32 GB module uses a standard 288-pin DDR5 RDIMM form factor at 1.10 V and has no heat spreader, so it fits any compatible DIMM slot with adequate airflow.

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