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
Four green DDR5 RDIMM modules in static bag

NEMIX RAM

NEMIX RAM DDR5 128GB 4X32GB 6400MHz CL52 2Rx4 ECC RDIMM Supermicro X14SDV-36C-SP3F memory upgrade

SKU CH-960A-7Z1MX

128 GB DDR5-6400 ECC RDIMM kit (4 × 32 GB, CL52, 1.1 V, 2Rx4) validated for Supermicro X14SDV-36C-SP3F motherboards

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 128GB 4X32GB

  • 128GB total capacity from four 32GB modules
  • DDR5 6400 speed with CL52 latency at 1.1V
  • Registered ECC design prevents data corruption
  • 2Rx4 288-pin RDIMM form factor for Supermicro X14SDV-36C-SP3F
  • Major OEM chips from Samsung Micron or Hynix

Exact-match DDR5 server kit

This 128GB kit contains four 32GB DDR5 6400MHz Registered ECC RDIMMs built for the Supermicro X14SDV-36C-SP3F motherboard. The 2Rx4 organisation, 1.1V operating voltage and CL52 latency match the board's memory controller expectations so the full capacity is recognised at rated speed.

Thermals and power in normal use

Each module runs at the standard DDR5 1.10V without a heat spreader, relying on the server chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller when all slots are populated, keeping power draw predictable under sustained enterprise workloads.

What the bundle changes

The kit supplies the exact rank, voltage and timing combination the Supermicro X14SDV-36C-SP3F requires, eliminating guesswork during population. ECC corrects single-bit errors on the fly to prevent silent data corruption, while registered architecture allows full-slot operation at the rated 6400MHz PC5-51200 speed.

How it compares

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

Price $5,135.99
Pricier than about 80% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $40.12 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 numberMR51200-324K4
Total capacity128 GB (4 × 32 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 4 × 32 GB DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

5 more in the same range

Questions about this item

How do I install the 4 x 32 GB DDR5 RDIMMs in the Supermicro X14SDV-36C-SP3F and which slot order is the one people get wrong?

Populate the four slots in the exact sequence shown in the motherboard manual — typically CPU0 DIMM A1, B1, C1, D1 first — because this board requires a specific population order for registered ECC modules to train at 6400 MT/s.

What maintenance or replacement will the 2Rx4 DDR5 ECC RDIMM kit need later?

No routine maintenance is required; the modules have no heat spreaders to clean, and ECC corrects single-bit errors on the fly, so replacement only occurs if a module fails or a future capacity upgrade is desired.

What limit appears first when the 128 GB DDR5-6400 CL52 kit runs sustained workloads?

The memory controller's maximum supported speed and population rules cap sustained throughput; with all four registered slots filled the system runs at the rated 6400 MT/s CL52 1.1 V without down-clocking.

More in Model-Specific Memory Upgrades

Similar items