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Sixteen green DDR5 RDIMM modules in a tray, bare circuit boards with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM RS700-E11-RS4U 256GB (16x16GB) DDR5 4800 CL40 ECC RDIMM memory upgrade

SKU CH-JZE6-5SKJ1 MPN RS700-E11-RS4U

A 256GB DDR5 ECC registered server kit of 16 modules at 4800 CL40 for the ASUS RS700-E11-RS4U

  • Total capacity256 GB (16 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 256GB capacity supports large-scale server workloads
  • DDR5 4800 speed delivers high-throughput data processing
  • ECC registered design protects data integrity under load
  • 1V operation reduces power draw per module
  • 16x16GB kit simplifies full-channel population

System-Specific DDR5 Kit

This 256GB kit contains sixteen 16GB DDR5 4800 CL40 ECC registered DIMMs built for the ASUS RS700-E11-RS4U 1U dual-socket server. It delivers 256GB of registered memory with on-die error correction for mission-critical workloads.

Verify Slot Count And Population Rules

Confirm the motherboard has sixteen available 288-pin DDR5 slots and check the vendor documentation for approved population order per CPU socket. The modules run at 1.1V and present a 1Rx8 organisation that must match the platform's qualified vendor list.

Fills All Channels In A Dual-Socket Chassis

The kit occupies every DIMM slot in a two-processor configuration, eliminating the need to source additional modules later. Registered buffering reduces electrical load on the memory controller, while ECC protects data integrity across the full 256GB capacity.

How it compares

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

Price $6,513.99
Pricier than about 82% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (16 × 16 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $25.45 per GB
Pricier than about 70% 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 numberMR38400-618K16
Total capacity256 GB (16 × 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 items256 GB (16 × 16 GB) DDR5 4800 MHz PC5-38400 1Rx8 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

Does the 256GB kit ship as sixteen 16GB modules or do I need to buy extra sticks?

The kit contains sixteen 16GB DDR5 RDIMM modules, giving 256GB total with no additional sticks required.

Should I choose the 1Rx8 CL40 version or a different rank and latency for the RS700-E11-RS4U?

This kit is built as 1Rx8 CL40 at 4800 MT/s, matching the server's qualified configuration for registered ECC operation.

What does the 4800 MT/s rating deliver once the modules are installed in the ASUS RS700-E11-RS4U?

The memory runs at DDR5 4800 with CL40 latency at 1.1 V, providing registered ECC bandwidth of PC5-38400 across all sixteen slots.

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