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Four green DDR5 RDIMM sticks with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 512GB 4x128GB DDR5 6400 CL52 ECC RDIMM 1.1V 288-PIN Supermicro

SKU CH-MNG2-6ZT4R

512 GB DDR5 ECC registered server memory kit in four 128 GB modules at 6400 MHz CL52 and 1.1 V for Supermicro X14SBW-F

  • Total capacity512 GB (4 × 128 GB)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • Memory rank4Rx4
  • 512 GB total capacity from four 128 GB modules
  • DDR5 6400 speed with CL52 latency for server workloads
  • ECC registered design protects data integrity under load
  • 1 V operation reduces power draw in dense configurations
  • Validated for Supermicro X14SBW-F motherboard compatibility

512 GB DDR5 6400 ECC RDIMM Kit

This 512 GB kit contains four 128 GB DDR5 6400 CL52 registered ECC modules built for Supermicro X14SBW-F systems. It targets server and workstation administrators who need maximum registered capacity with error correction. The modules run at 1.1 V and use a 288-pin RDIMM form factor with 4Rx4 organisation.

Tool-free DIMM installation with seating checks

Each module presses vertically into the 288-pin DDR5 slots until the side latches click. The registered buffer adds electrical load, so the board must support 4Rx4 population rules; mis-seated modules or incorrect slot order are the most common causes of POST failure. No heat spreader is fitted, so airflow across the PCB is required.

Verify Supermicro X14SBW-F memory population guide

Confirm the motherboard BIOS revision supports 512 GB total capacity and 4Rx4 registered DIMMs at 6400 MT/s. Check that the CPU memory controller accepts 1.1 V DDR5 and that the chassis provides adequate airflow over bare modules. Ensure all four slots are populated identically for the kit to operate as specified.

How it compares

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

Price $18,368.99
Pricier than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (4 × 128 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $35.88 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 lineSupermicro Compatible Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server RAM
Part numberMR51200-744K4
Total capacity512 GB (4 × 128 GB)
Product type288-PIN DDR5 RDIMM
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank4Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items512 GB (4 × 128 GB) DDR5 6400 MHz PC5-51200 4Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How do I verify the 6400 CL52 kit is running at its rated speed after installation?

Enter the server BIOS and confirm the memory frequency shows 6400 MT/s with CAS latency 52 at 1.10 V.

What exactly ships in the box and do I need any extra parts?

The box contains four 128 GB DDR5 288-pin ECC RDIMM modules; no additional components are required for installation.

This kit is listed as a single 512 GB 4 x 128 GB version — is there any other capacity or rank option to consider?

Only the 512 GB 4Rx4 kit with part number MR51200-744K4 is offered for this Supermicro platform.

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