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Four green DDR5 RDIMM modules without heat spreaders, 288-pin, 128GB kit

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR5 6400 ECC RDIMM CL52 1.1V 2Rx4 Supermicro X14SDV-42C-SP3F memory upgrade

SKU CH-12K2-J93FC

128 GB DDR5 ECC registered server memory kit in four 32 GB modules running at 6400 MT/s with CL52 latency and 1.1 V operation for the Supermicro X14SDV-42C-SP3F 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

Size 128GB 4X32GB

  • 128 GB total capacity from four 32 GB modules
  • DDR5 6400 speed with CL52 latency at 1.1 V
  • ECC registered RDIMM prevents silent data corruption
  • 2Rx4 dual-rank layout matches controller expectations
  • Validated for Supermicro X14SDV-42C-SP3F motherboard

Exact-match DDR5 RDIMM kit

This 128GB kit contains four 32GB DDR5 6400 Registered ECC modules built to the Supermicro X14SDV-42C-SP3F memory controller specification. It delivers the precise rank, voltage and timing the board expects so the system recognises the full capacity at rated speed.

DDR5 RDIMM population limits

Registered architecture offloads the memory controller allowing every slot to run fully populated at full capacity while ECC corrects single-bit errors on the fly. The 288-pin RDIMM form factor is required; UDIMM or SODIMM modules will not fit or function.

128GB capacity headroom

Four ranks per module provide dense capacity for virtualization and database workloads that benefit from large memory footprints. Workloads needing more than 128GB or a different DIMM type will require a platform change.

How it compares

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

Price $4,966.99
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 $38.80 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 numberMR51200-324K4
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

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Questions about this item

Should I pick this 128 GB kit or a smaller capacity for the Supermicro X14SDV-42C-SP3F?

The kit delivers 128 GB across four 32 GB modules, matching the board's DDR5 6400 registered ECC requirements; verify the manual's maximum supported capacity and slot population rules before deciding.

What does DDR5 6400 (PC5-51200) actually give me once installed in this server?

The modules run at 6400 MT/s with CL52 latency at 1.10 V, providing the rated bandwidth and error correction the motherboard expects when all four slots are populated with registered DIMMs.

Does the 288-pin RDIMM interface limit speed or capacity on the X14SDV-42C-SP3F?

The 288-pin registered form factor is exactly what this motherboard requires; it enables full-capacity operation across all slots at the specified DDR5 6400 speed without downclocking.

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