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
Two green DDR5 RDIMM sticks in a clear plastic tray

NEMIX RAM

NEMIX RAM DDR5 6400 128GB 2x64GB CL52 2Rx4 ECC Registered RDIMM Supermicro H13DSH memory upgrade

SKU CH-M3JR-3E0VA

A 128 GB DDR5 6400 registered ECC kit in two 64 GB 2Rx4 modules at 1.1 V CL52, validated for the Supermicro H13DSH motherboard

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Exact-match 128 GB DDR5-6400 kit recognised at full speed
  • Verified fit for Supermicro H13DSH motherboard with 288-pin RDIMM
  • Registered ECC architecture prevents silent data corruption under load
  • 2Rx4 dual-rank organisation enables full-capacity population
  • Lifetime replacement warranty with US-based technical support

Exact-Match Server Upgrade

This 128GB kit contains two 64GB DDR5 RDIMMs rated at 6400MHz PC5-51200 with CL52 latency and 1.1V operation. The 2Rx4 registered ECC modules are built to the precise rank, voltage, and timing the Supermicro H13DSH memory controller expects for full-capacity recognition at rated speed.

Build Integration Requirements

The 288-pin registered RDIMM form factor matches the slots this motherboard requires — not UDIMM or SODIMM — and the kit is spec-matched to the board's population rules. Registered architecture offloads the memory controller so every populated slot runs at full capacity, while ECC corrects single-bit errors on the fly to prevent silent data corruption.

Sustained Workload Behavior

Enterprise-grade registered buffering maintains stability when all channels remain fully populated under continuous load, and on-die ECC protects data integrity across extended operations. The 1.1V baseline keeps power draw consistent during long-running server tasks, while the CL52 timing delivers predictable latency without thermal throttling concerns.

How it compares

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

Price $4,593.99
Pricier than about 79% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (2 × 64 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $35.89 per GB
Pricier than about 90% 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 lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR51200-924K2
Total capacity128 GB (2 × 64 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 6400 (PC5 51200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Memory rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items128 GB 2 × 64 GB DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Will the 1.1 V modules stay cool enough when the server runs 24/7?

The kit operates at the standard DDR5 1.1 V with no heat spreader, so airflow through the chassis is the only cooling path. Ensure the Supermicro H13DSH fan profile keeps DIMM slots within spec during sustained loads.

What motherboard slot and population rules must I follow for this 2Rx4 RDIMM kit?

Install the two 64 GB RDIMMs in the slots specified by the Supermicro H13DSH manual for a 2 DIMM per channel configuration. The board requires 288‑pin registered ECC modules and will not accept UDIMM or SODIMM form factors.

Does the Supermicro H13DSH need a specific BIOS version or CPU to recognise 128 GB of DDR5‑6400 ECC memory?

The kit is validated for the Supermicro H13DSH motherboard. Consult the board manual for supported CPU families, maximum capacity per slot, and any BIOS revision required to run the 2Rx4 modules at 6400 MT/s.

More in Model-Specific Memory Upgrades

Similar items