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Green circuit board with black memory chips, gold edge connector, no heat spreader

NEMIX RAM

NEMIX RAM 128GB DDR5 6400 CL52 4Rx4 1.1V ECC RDIMM Supermicro X14SDV-36CE-SP3F

SKU CH-9EEP-ZQ1F0

128 GB DDR5 6400 CL52 4Rx4 1.1 V ECC registered RDIMM built for the Supermicro X14SDV-36CE-SP3F motherboard

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

Size 128GB

  • 128 GB capacity lets you fully populate the Supermicro X14SDV-36CE-SP3F
  • DDR5 6400 speed matches the board's rated frequency for peak throughput
  • CL52 latency and 1.10 V voltage meet the exact timing the memory controller expects
  • 4Rx4 registered ECC architecture offloads the controller and corrects single-bit errors
  • 288-pin RDIMM form factor fits the motherboard's DIMM slots without adapters

Exact-match DDR5 server memory

This 128 GB DDR5 6400 CL52 registered ECC RDIMM is built for administrators who need a drop-in upgrade for the Supermicro X14SDV-36CE-SP3F motherboard. It delivers the precise rank, voltage and timing the board's memory controller expects. The module arrives new and ready for production deployment.

4Rx4 registered ECC at 1.1 V

The single specification that decides fitment is the 4Rx4 registered ECC organisation running at 1.1 V with CL52 latency. This combination matches the motherboard's population rules so every slot can be filled at full capacity and rated speed. A different rank, voltage or buffer type will not be recognised correctly.

Fits Supermicro X14SDV-36CE-SP3F slots

The 288-pin RDIMM form factor slots directly into the board's DDR5 DIMM sockets without adapters. Registered buffering offloads the memory controller, freeing electrical headroom for fully populated configurations. ECC corrects single-bit errors on the fly, protecting data integrity in always-on workloads. Builders needing unbuffered UDIMMs or SODIMMs should look elsewhere.

How it compares

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

Price $4,771.99
Pricier than about 79% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $37.28 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 numberMR51200-744K1
Total capacity128 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 rank4Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items128 GB DDR5 6400 MHz PC5-51200 4Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

What does the 6400 MT/s speed mean once the module is installed in a Supermicro X14SDV-36CE-SP3F server?

The module runs at its rated DDR5 6400 (PC5 51200) data rate when the motherboard's memory controller is configured for that speed, delivering the full bandwidth the platform expects.

How does the 288-pin RDIMM interface and registered design affect what the motherboard can actually use?

The 288-pin RDIMM form factor with registered buffering is exactly what the X14SDV-36CE-SP3F requires; it offloads the memory controller so every populated slot operates at full 128 GB capacity and rated speed.

What physical clearance does the 288-pin RDIMM need to fit in the Supermicro X14SDV-36CE-SP3F?

The module uses a standard 288-pin RDIMM height with no heat spreader, so it fits the server's DIMM slots without interfering with CPU coolers or chassis airflow guides.

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