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Eight green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 128GB DDR5-6400 ECC RDIMM 8x16GB CL52 1.1V Supermicro H14SHM memory upgrade

SKU CH-TH2B-RYKP0

Eight 16 GB DDR5-6400 registered ECC modules at 1.1 V CL52 for Supermicro H14SHM servers

  • Total capacity128 GB (8 × 16 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 128 GB total capacity from eight 16 GB modules for dense server workloads
  • DDR5-6400 speed with CL52 latency delivers rated throughput on Supermicro H14SHM
  • Registered ECC architecture corrects single-bit errors and stabilises fully populated slots
  • 1 V operation matches the board's memory-controller specification exactly
  • 288-pin RDIMM form factor fits the required server memory slots precisely

Exact-match upgrade kit

This 128GB kit contains eight 16GB DDR5 RDIMMs rated at 6400 MT/s with CL52 latency and 1.1V operation. Registered ECC architecture and 1Rx8 organization match the Supermicro H14SHM memory controller requirements for full-capacity recognition.

Suited for full-population servers

Ideal for administrators populating every slot on a Supermicro H14SHM board with registered ECC memory that offloads the controller and corrects single-bit errors. Not for systems that accept only unbuffered UDIMMs or SODIMMs, or for workloads needing non-ECC consumer modules.

Build integration notes

The 288-pin RDIMM form factor installs directly into the motherboard's DDR5 slots following the manual's population order. Registered buffering frees the memory controller when all channels are filled, while ECC protects data integrity without extra software.

How it compares

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

Price $4,102.99
Pricier than about 77% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (8 × 16 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $32.05 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 numberMR51200-618K8
Total capacity128 GB (8 × 16 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 rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items128 GB 8 × 16 GB DDR5 6400 MHz PC5-51200 1Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

What motherboard must I already have for this 128GB DDR5-6400 RDIMM kit to work?

The kit is validated for the Supermicro H14SHM motherboard and requires its 288-pin RDIMM slots.

Will these 1Rx8 CL52 modules run alongside any existing DDR5 RDIMMs I keep in the H14SHM?

All populated slots must use identical 1Rx8 1.1V CL52 DDR5-6400 RDIMMs; mixed ranks or timings will prevent full-speed operation.

How do I confirm the kit is running at its rated 6400MHz CL52 after installation?

Check the BIOS memory information or a tool such as dmidecode to verify speed shows 6400 MT/s and latency shows CL52.

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