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Four green DDR4 UDIMM sticks with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 64GB (4×16GB) DDR4-3200 ECC UDIMM CL22 1.2V 288-pin memory upgrade

SKU CH-HVTD-8CCJQ

64 GB DDR4-3200 ECC UDIMM kit (4×16 GB, CL22, 1.2 V) verified for Supermicro X12STE-F and X12STD-F motherboards

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeUnbuffered

Size 64GB 4X16GB

  • Error-correcting code protects data integrity
  • 64 GB total capacity across four 16 GB modules
  • 3200 MT/s DDR4 speed with CL22 latency
  • 2 V low-voltage operation reduces power draw
  • Verified fit for Supermicro X12STE-F and X12STD-F motherboards

Exact-fit 64 GB DDR4-3200 ECC kit

This 64 GB kit contains four 16 GB DDR4-3200 UDIMM modules rated at PC4-25600 with CL22 latency and 1.20 V operation. Each module is a 288-pin unbuffered ECC DIMM built with 1Rx8 organisation using major-brand Samsung, Micron or Hynix chips. The kit is validated for Supermicro X12STE-F and X12STD-F motherboards.

Suited for ECC workstations

Builders populating Supermicro X12STE-F or X12STD-F boards with the exact rank, voltage and timing the memory controller expects will get full-capacity recognition at rated speed. Systems that require registered RDIMMs, SODIMM form factors, non-ECC memory or capacities beyond 64 GB cannot use this kit.

Steady ECC correction under sustained load

Error-correcting code detects and corrects single-bit errors continuously, preventing silent data corruption during long compute runs. Unbuffered topology keeps latency low at CL22 while the 1.20 V supply maintains stable operation without extra cooling. The 1Rx8 rank layout follows the board's population rules for consistent throughput over extended sessions.

How it compares

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

Price $502.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 64 GB (4 × 16 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $7.86 per GB
Typical for this category: the median of 20,941 items is $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 Memory
Model nameDDR4 ECC Unbuffered UDIMM Memory
Part numberME25600-618K4
Total capacity64 GB (4 × 16 GB)
Product type288-Pin DDR4 ECC UDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL22
ECC supportYes
Buffer typeUnbuffered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsSupermicro
In the box
Included items64 GB 4 × 16 GB DDR4 3200 MHz PC4-25600 1Rx8 1.2 V 288-PIN ECC UDIMM KIT

Other versions of this model

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Questions about this item

My Supermicro X12STE-F currently has empty DDR4 slots — do I need any other components for this 64 GB (4×16 GB) kit to work?

The motherboard and a compatible CPU are required; the kit itself contains four 288-pin DDR4-3200 ECC UDIMMs that plug directly into the board's memory slots with no extra hardware.

If I keep two 16 GB DDR4-3200 ECC UDIMMs already installed, will this 1Rx8 CL22 kit operate correctly in the remaining slots?

The board's memory-population rules determine whether mixed ranks and capacities are allowed; consult the Supermicro manual for the approved DIMM order before adding this 4×16 GB kit alongside existing modules.

After installing all four modules, how can I confirm the system is running the full 64 GB at DDR4-3200 with ECC active?

Check the BIOS memory information screen or the operating system's memory report — both should show 64 GB total, 3200 MT/s speed, and ECC enabled.

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