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Two green DDR4 UDIMM sticks without heat spreaders, 288-pin, 64GB kit

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR4 3200 CL22 ECC UDIMM kit SuperMicro X12STL-IF

SKU CH-VWM0-ZAPA9

64GB DDR4 3200 ECC UDIMM kit with CL22 latency for SuperMicro X12STL-IF servers

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 64 GB capacity for memory-intensive workloads
  • DDR4 3200 speed with PC4-25600 bandwidth
  • ECC protection detects and corrects data errors
  • 2Rx8 dual-rank organisation increases density per slot
  • 2 V operation reduces power draw

64GB DDR4 ECC UDIMM kit for SuperMicro X12STL-IF

This 64GB kit contains two 32GB DDR4 3200 modules built for the SuperMicro X12STL-IF platform. It targets IT professionals and system builders who need validated ECC memory for mission-critical server or workstation deployments. The modules run at 1.2V with CL22 latency and use a 2Rx8 organisation. No heat spreaders are fitted.

Practical limits of DDR4 3200 ECC unbuffered

The DDR4 3200 standard caps transfer rates at PC4-25600, so bandwidth cannot exceed that ceiling regardless of module quality. Unbuffered ECC topology adds error correction without registered buffering, which helps data integrity but limits maximum capacity per channel compared to registered DIMMs. Mixed-rank populations or exceeding the motherboard's supported rank count per channel will prevent the system from posting.

Installation notes and common pitfalls

The 288-pin UDIMMs install in the same way as standard desktop memory, but the X12STL-IF requires specific slot population rules that are documented in the board manual. Builders who ignore the recommended slot order often see no POST or reduced memory speed. Systems that do not support ECC will not recognise the modules, and mixing these sticks with non-ECC or different-rank DIMMs usually causes instability.

How it compares

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

Price $500.99
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 $7.83 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 lineSuperMicro Server/Workstation Compatible Series Memory
Model nameSuperMicro DDR4 3200 MHz ECC Unbuffered UDIMM
Part numberME25600-328K2
Total capacity64 GB (2 × 32 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
Heat spreaderNo
Memory rank2Rx8
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 CL22 288-PIN ECC Unbuffered UDIMM KIT

Questions about this item

Should I pick the 64GB kit or a different capacity for my SuperMicro X12STL-IF?

This kit provides 64GB as two 32GB modules, matching the board's dual-channel architecture for optimal throughput.

What does the DDR4 3200 CL22 rating deliver inside the X12STL-IF?

The modules run at 3200 MT/s with CAS latency 22 at 1.20V, giving the rated PC4-25600 bandwidth when the platform enables the XMP or JEDEC profile.

Is the 288-pin ECC UDIMM interface fully supported by the X12STL-IF memory controller?

Yes, the 288-pin DDR4 ECC unbuffered DIMMs use the standard UDIMM electrical interface that the X12STL-IF memory controller is designed to address.

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