We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Eight green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM RS720-E11-RS12U 512GB (8×64GB) DDR5 4800 CL40 ECC RDIMM memory upgrade

SKU CH-YAJP-R33K1 MPN RS720-E11-RS12U

512 GB DDR5 server kit with eight 64 GB registered ECC modules at 4800 MT/s CL40

  • Total capacity512 GB (8 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 512 GB total capacity from eight 64 GB modules
  • DDR5 4800 speed with PC5-38400 bandwidth rating
  • ECC registered design for server-grade error correction
  • CL40 latency at 1.1 V operating voltage
  • 288-pin 2Rx4 RDIMM form factor for ASUS RS720-E11-RS12U

512GB DDR5 4800 ECC RDIMM kit

This 512GB kit contains eight 64GB DDR5 4800 ECC registered DIMMs built for the ASUS RS720-E11-RS12U 2U dual-socket server. Each module runs at 1.1V with a CAS latency of CL40 and uses a 2Rx4 organisation. The registered design adds a buffer that helps the memory controller manage heavy loads in multi-processor configurations.

Who this suits and who should look elsewhere

IT teams expanding the ASUS RS720-E11-RS12U to its full memory capacity will find a matched, stress-tested set that installs without extra configuration. Builders working with different server platforms, workstations that require unbuffered DIMMs, or systems limited to lower densities should select memory qualified for those specific models.

The specification that decides fit

The kit is qualified only for the ASUS RS720-E11-RS12U server and uses 288-pin DDR5 RDIMMs with ECC and registered signalling; any other platform or DIMM type will not be compatible.

How it compares

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

Price $12,516.99
Pricier than about 90% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (8 × 64 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $24.45 per GB
Pricier than about 69% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Product lineASUS Server Motherboard Compatible Series Memory
Model nameASUS DDR5 4800 MHz ECC RDIMM Registered Server Memory
Part numberMR38400-924K8
Total capacity512 GB (8 × 64 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 rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsASUS
In the box
Included items512 GB (8 × 64 GB) DDR5 4800 MHz PC5-38400 2Rx4 1.1 V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How much power does the 1.10V DDR5 4800 kit draw when the ASUS RS720-E11-RS12U server runs continuously?

Each 64GB module operates at 1.10V; total draw depends on how many of the eight DIMM slots are populated and the CPU memory controller load.

What must the ASUS RS720-E11-RS12U motherboard already support for this 512GB kit to function?

The board needs eight 288-pin DDR5 RDIMM slots, registered ECC support, and a BIOS that recognises 2Rx4 64GB modules at 4800 MT/s.

Can I mix these CL40 2Rx4 modules with older DDR5 RDIMMs that have different latency or rank?

Mixing different CAS latencies or ranks in the same channel is not recommended; populate all eight slots with identical modules for stable operation.

More in Model-Specific Memory Upgrades

Similar items