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Eight green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM RS720Q-E11-RS8U 128GB 8x16GB DDR5 4800 ECC RDIMM memory upgrade

SKU CH-DS81-Y5ZV4 MPN RS720Q-E11-RS8U

Eight-module kit provides 128GB of DDR5 4800 ECC registered server memory for the ASUS RS720Q-E11-RS8U 2U4N platform

  • Total capacity128 GB (8 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 128 GB total capacity across eight 16 GB modules
  • DDR5 4800 speed rated at PC5-38400 for high throughput
  • ECC registered RDIMM design protects data integrity
  • 1 V operating voltage reduces power draw
  • 288-pin 1Rx8 layout fits ASUS RS720Q-E11-RS8U server

128GB DDR5 4800 ECC RDIMM kit

This 128GB kit contains eight 16GB DDR5 4800 registered DIMMs with ECC. It is built for the ASUS RS720Q-E11-RS8U high-density server and similar enterprise platforms that require registered memory. The modules run at 1.1V with CL40 latency. IT teams upgrading mission-critical workloads will find the configuration matches the system's qualified vendor list.

Verify DDR5 RDIMM slot count and population rules

Before ordering, confirm the target server has eight available 288-pin DDR5 RDIMM slots and that the firmware supports 1Rx8 modules at 4800 MT/s. Check the system manual for required population order across the four nodes in the 2U4N chassis. Ensure the memory controller is configured for registered ECC operation at 1.1V.

Sustained load behaviour in dense server nodes

Under continuous multi-threaded workloads the registered buffer and on-die ECC maintain data integrity across all four compute nodes. The 1.1V operating voltage limits thermal contribution inside the compact 2U enclosure. Modules are stress-tested at rated speed to deliver stable throughput for virtualisation, database and HPC tasks without throttling.

How it compares

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

Price $3,178.99
Pricier than about 73% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (8 × 16 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $24.84 per GB
Pricier than about 69% 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 numberMR38400-618K8
Total capacity128 GB (8 × 16 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 rank1Rx8
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASUS
In the box
Included items128 GB (8 × 16 GB) DDR5 4800 MHz PC5-38400 1Rx8 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Does the 128GB kit ship as eight individual 16GB RDIMMs, or do I need to buy extra modules to reach that total?

The package contains eight 16GB DDR5 RDIMMs, giving 128GB in a single kit with no additional modules required.

Should I choose the 1Rx8 registered ECC version or a different rank configuration for the ASUS RS720Q-E11-RS8U server?

This kit is built as 1Rx8 registered ECC RDIMMs at 4800 MT/s, matching the specification for the ASUS RS720Q-E11-RS8U platform.

In a live server, what does the 4800 MT/s PC5-38400 rating actually deliver?

The modules run at 4800 MT/s with CL40 latency at 1.10 V, providing registered ECC bandwidth rated at PC5-38400 for the ASUS RS720Q-E11-RS8U system.

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