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Two green DDR4 UDIMM sticks without heat spreaders

NEMIX RAM

NEMIX RAM 32GB (2x16GB) DDR4 3200 CL22 ECC UDIMM memory upgrade

SKU CH-3TQ2-P21J2

32 GB dual-channel kit of DDR4-3200 CL22 ECC UDIMM memory for compatible ASRock server motherboards

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 32 GB kit expands server capacity
  • DDR4 3200 speed handles heavy workloads
  • ECC protection prevents data corruption
  • 2 V operation reduces power draw
  • Validated for ASRock EPYC3451D4U-2L2T2O8R

System-Specific DDR4 ECC UDIMM Kit

This NEMIX RAM kit provides 32 GB of DDR4 3200 memory in a matched pair of 16 GB unbuffered UDIMM modules. It operates at 1.2 V with CL22 latency and includes on-die ECC for data integrity. The modules are validated for ASRock Rack EPYC3451D4U-2L2T2O8R motherboards and use major OEM DRAM chips from Samsung, Micron or Hynix.

Server and Workstation Builders Needing Validated

This kit suits administrators upgrading or repairing the specified ASRock Rack platform where ECC UDIMM support is required. It is not for buyers who need registered or load-reduced DIMMs, higher frequencies than 3200 MT/s, lower CAS latencies, or modules qualified for different motherboard models or consumer desktop chipsets.

288-Pin DDR4 ECC UDIMM Form Factor and CL22 Timing

The 288-pin unbuffered ECC UDIMM layout and CL22 timing at 3200 MT/s are the decisive specifications for compatibility. Only systems that accept DDR4 ECC UDIMMs at this speed and latency will recognise and run the kit correctly.

How it compares

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

Price $264.99
Cheaper than about 56% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $8.28 per GB
Typical for this category: the median of 20,941 items is $8.19 per GB.

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Specifications

Product
Brand nameNEMIX RAM
Product lineASRock Server Motherboard Compatible Series Memory
Model nameASRock DDR4 3200 MHz ECC Unbuffered UDIMM
Part numberME25600-628K2
Total capacity32 GB (2 × 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
Heat spreaderNo
Memory rank2Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsASRock
In the box
Included items32 GB (2 × 16 GB) DDR4 3200 MHz PC4-25600 2Rx8 1.2 V CL22 288-PIN ECC Unbuffered UDIMM KIT

Questions about this item

Should I buy the 32GB kit or add a single 16GB module to my ASRock board?

The 32GB kit contains two matched 16GB DDR4 3200 CL22 ECC UDIMMs that run in dual-channel mode on the compatible ASRock motherboard; a single module would operate in single-channel mode.

What does the DDR4 3200 speed mean once the kit is installed in my server?

The modules run at 3200 MT/s with CL22 latency at 1.2V, delivering PC4-25600 bandwidth when the ASRock motherboard enables the rated XMP or JEDEC profile.

Will the 288-pin ECC UDIMM interface work with my ASRock Rack board?

Yes, the 288-pin DDR4 ECC unbuffered UDIMM form factor matches the memory slots on the specified ASRock Rack motherboard and the ECC function is supported by that platform.

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