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Four green DDR5 RDIMM modules without heat spreaders in a clear tray

NEMIX RAM

NEMIX RAM 128GB (4 x 32GB) DDR5 6400 CL52 2Rx8 ECC Registered RDIMM memory upgrade for Supermicro H13SVW-N

SKU CH-K5S9-V74R7

A 128GB kit of four 32GB DDR5-6400 CL52 2Rx8 registered ECC RDIMMs at 1.1V, validated for the Supermicro H13SVW-N motherboard

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 128 GB total capacity with four 32 GB modules for full server population
  • DDR5 6400 speed rated at CL52 latency for rated throughput
  • Registered ECC architecture corrects single-bit errors and stabilises fully populated slots
  • 10 V operation matches the motherboard's memory-controller specification exactly
  • Verified 288-pin RDIMM fitment for the Supermicro H13SVW-N motherboard

128GB DDR5 6400 ECC RDIMM kit

This 128GB kit contains four 32GB DDR5 6400 registered ECC modules built for the Supermicro H13SVW-N motherboard. Each module runs at 1.10V with CL52 timing and a 2Rx8 organization. The 288-pin RDIMM form factor matches the board's memory slots exactly.

Registered ECC with verified fitment

Registered buffering reduces electrical load on the memory controller so all four slots can be populated at full rated speed. On-board ECC detects and corrects single-bit errors to prevent silent data corruption and unexpected reboots. The kit is validated for the H13SVW-N population rules and pinout.

Suited for full-population server builds

Ideal for administrators upgrading a Supermicro H13SVW-N to its maximum supported capacity with matched modules. Not suitable for systems that require unbuffered UDIMMs, SODIMM form factors, non-ECC memory, or a different DDR generation. Builders needing a different capacity or rank configuration should consult the motherboard manual first.

How it compares

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

Price $4,738.99
Pricier than about 79% 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 $37.02 per GB
Pricier than about 90% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR51200-328K4
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 rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items128 GB 4 × 32 GB DDR5 6400 MHz PC5-51200 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Will the 2Rx8 registered ECC modules need any firmware updates or reconfiguration after installation in the Supermicro H13SVW-N?

The kit is an exact-match upgrade spec-matched to the board's memory-population rules, so it is recognised at full 128GB capacity and rated DDR5 6400 speed without extra configuration.

What limit appears first when all four 32 GB RDIMMs run at DDR5 6400 CL52 continuously?

The memory controller manages every slot fully populated at full capacity through the registered architecture, so sustained throughput is bound by the DDR5 6400 data rate and CL52 latency of the modules themselves.

How much heat and power does the 1.1 V DDR5 6400 kit produce during all-day operation without heat spreaders?

Operating at 1.1 V with no heat spreaders, the registered ECC RDIMMs draw minimal power and generate low thermal output, while the buffered design offloads the memory controller for efficient all-day running.

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