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Two green 288-pin DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM RS700-E11-RS12U 64GB (2x32GB) DDR5 4800 ECC RDIMM memory upgrade

SKU CH-9ZK4-N3KHH MPN RS700-E11-RS12U

64 GB dual-channel DDR5 ECC registered kit running at 4800 MT/s with CL40 latency for the ASUS RS700-E11-RS12U 1U server

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 64 GB capacity expands server memory headroom
  • DDR5 4800 speed delivers high bandwidth for demanding workloads
  • ECC registered design protects data integrity in mission-critical systems
  • 1 V operation reduces power draw per module
  • Validated for ASUS RS700-E11-RS12U 1U dual-socket servers

Compatibility & use case

This 64GB kit targets the ASUS RS700-E11-RS12U 1U dual-socket server. It delivers DDR5 4800 ECC registered memory with 1Rx4 organisation and 1.1V operation. Administrators who need validated capacity for that platform can install the two 32GB modules directly. Builders using any other chassis or motherboard should verify their qualified-vendor list before purchasing.

Deciding specification

The registered ECC RDIMM form factor with 288-pin DDR5 interface and CL40 latency at 4800 MT/s determines whether this kit fits the memory controller. Systems requiring unbuffered UDIMM, a different speed grade, or a non-ECC configuration cannot use these modules.

Capacity configuration

Two 32GB modules provide 64GB total in a dual-channel layout for the supported ASUS server. The 1Rx4 rank structure and PC5-38400 rating are fixed by the part number MR38400-314K2. Buyers needing a different capacity per module or a higher speed bin must select an alternate kit.

How it compares

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

Price $1,881.99
Pricier than about 67% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $29.41 per GB
Pricier than about 83% 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 numberMR38400-314K2
Total capacity64 GB (2 × 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 items64 GB (2 × 32 GB) DDR5 4800 MHz PC5-38400 1Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How much power does the 1.1 V DDR5 4800 kit draw when the ASUS RS700-E11-RS12U runs continuously?

Each 32 GB module operates at 1.10 V; total draw depends on the server's workload and memory-controller efficiency, not on the modules alone.

What must the ASUS RS700-E11-RS12U already have for this 288-pin RDIMM kit to function?

The server needs DDR5 RDIMM slots, a BIOS that supports 1Rx4 ECC registered modules at 4800 MT/s, and an empty pair of channels for the 2 x 32 GB configuration.

Will the CL40 1Rx4 registered modules run with any existing DDR5 memory already installed in the RS700-E11-RS12U?

Mixing ranks or latencies can prevent the system from training at 4800 MT/s; matching 1Rx4 CL40 modules in the same channel pair is recommended for stability.

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