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Sixteen bare green DDR5 RDIMM sticks in a row

NEMIX RAM

NEMIX RAM RS700A-E12-RS4U 2TB (16×128GB) DDR5 4800 CL40 ECC RDIMM memory upgrade

SKU CH-XE16-VV4BD MPN RS700A-E12-RS4U

2 TB DDR5 4800 ECC registered server kit with sixteen 128 GB modules at CL40 and 1.1 V for ASUS RS700A-E12-RS4U

  • Total capacity2 TB (16 × 128 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 2TB total capacity supports massive server workloads
  • 16 modules of 128GB each fill all memory slots
  • DDR5 4800 speed delivers high bandwidth for data-intensive tasks
  • ECC registered design protects data integrity in critical environments
  • 1V operation reduces power draw per module

2 TB DDR5 ECC RDIMM kit

This 2 TB kit contains sixteen 128 GB DDR5 4800 CL40 registered DIMMs built for the ASUS RS700A-E12-RS4U 1U dual-processor server. Each module runs at 1.1 V and uses 4Rx4 organisation with on-die ECC. The 288-pin RDIMM form factor fits the server’s memory slots without adapters.

Compatibility and limits

Suitable for administrators expanding the ASUS RS700A-E12-RS4U to its full 2 TB capacity. Not suitable for workstations or servers that require unbuffered UDIMMs, lower-density modules, or a different pin count. Buyers needing non-ECC memory or speeds above 4800 MT/s should look elsewhere.

Deciding specification

The kit delivers 2 TB across sixteen 128 GB DDR5 4800 CL40 4Rx4 registered DIMMs at 1.1 V. If the target server accepts this exact density, rank, voltage and speed combination, the kit will operate as intended.

How it compares

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

Price $59,634.99
Pricier than about 97% of the 21,161 comparable items (median $397.99).
Total capacity 2 TB (16 × 128 GB)
Higher than about 99% of the 20,941 comparable items (median 32 GB).
Price per GB $29.82 per GB
Pricier than about 85% 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 numberMR38400-744K16
Total capacity2 TB (16 × 128 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 rank4Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASUS
In the box
Included items2 TB (16 × 128 GB) DDR5 4800 MHz PC5-38400 4Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory

Questions about this item

How much power does the 1.1V DDR5 RDIMM kit draw when the server runs continuously?

Each module operates at 1.10V; total system power depends on the ASUS RS700A-E12-RS4U platform and workload, not on the memory alone.

What server hardware must already be present for this 16×128GB kit to function?

An ASUS RS700A-E12-RS4U 1U dual-processor server with DDR5 RDIMM slots and BIOS that supports 4Rx4 registered ECC modules.

Can these 4800 MT/s CL40 DDR5 modules share channels with slower DDR5 DIMMs already installed?

The ASUS RS700A-E12-RS4U will clock all populated channels to the lowest common speed; mixing different DDR5 speeds is not recommended for stability.

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