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NEMIX RAM

NEMIX RAM 64GB (2 x 32GB) DDR4 3200 PC4-25600 CL22 2Rx8 1.2V 288-Pin UDIMM memory upgrade

SKU CH-YTWS-HYRX6

A 64 GB DDR4 kit with two 32 GB modules running at 3200 MHz, CL22, 1.2 V, 288-pin UDIMM for Supermicro X12STE-F and X12STD-F motherboards

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Exact-match 64 GB kit runs at full DDR4 3200 speed
  • Verified fit for Supermicro X12STE-F and X12STD-F boards
  • Major OEM chips tested at rated 1.2 V CL22
  • Dual-rank 2Rx8 design matches controller expectations
  • Lifetime replacement warranty with US-based support

Targeted Upgrade Kit

This 64GB kit contains two 32GB DDR4 UDIMM modules built for desktop systems. It is aimed at owners of the Supermicro X12STE-F or X12STD-F motherboards who need a straight-forward capacity increase. The modules are non-ECC and unbuffered, matching the board's standard memory slots. Builders using server-class ECC platforms or laptop SODIMM slots cannot use this kit.

Density and Rank Configuration

Each module uses a 2Rx8 organisation, giving two ranks per DIMM at the x8 device width. This rank structure is the single specification that determines whether the memory controller recognises the full 64GB and runs at the rated DDR4 3200 speed. A different rank count or device width would change how the board populates its slots and could limit usable capacity.

Sustained Operation Behaviour

The modules operate at a standard 1.20V and carry a CL22 latency rating at 3200 MT/s. Major OEM chips from Samsung, Micron or Hynix are tested for stability at these settings, so the kit maintains its rated throughput during extended workloads without requiring voltage increases. The absence of a heat spreader means airflow across the motherboard remains the only cooling path.

How it compares

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

Price $322.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $5.05 per GB
Cheaper than about 76% 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 Memory
Model nameDDR4 Non-ECC Unbuffered UDIMM Memory
Part numberMD25600-328K2
Total capacity64 GB (2 × 32 GB)
Product type288-Pin DDR4 UDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL22
ECC supportNo
Buffer typeUnbuffered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Compatible systemsSupermicro
In the box
Included items64 GB 2 × 32 GB DDR4 3200 MHz PC4-25600 2Rx8 1.2 V 288-PIN Non-ECC UDIMM KIT

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Questions about this item

What does the DDR4 3200 speed rating mean once the modules are installed in my Supermicro X12STE-F or X12STD-F motherboard?

The kit runs at the rated DDR4 3200 speed with CL22 timings at 1.2 V, so the memory controller recognises the full 64 GB capacity and operates at the specified frequency without manual tuning.

How does the PC4-25600 designation relate to the DDR4 3200 modules and what does it cap in practice?

PC4-25600 is the peak-transfer label that corresponds to DDR4 3200; the motherboard's memory controller sets the actual operating ceiling.

What physical requirements must my motherboard meet for these 288-pin UDIMMs to fit and mount correctly?

The board needs standard 288-pin DDR4 UDIMM slots; the modules are unbuffered, non-ECC, 2Rx8 dual-rank sticks with no heat spreader, matching the Supermicro X12STE-F and X12STD-F slot layout.

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