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Green printed circuit board with black memory chips, no heat spreader, 288 gold contacts along bottom edge

NEMIX RAM

NEMIX RAM 32GB DDR4 3200 CL22 ECC UDIMM 1.2V 288-pin memory upgrade

SKU CH-PWAJ-32Q4B

32 GB DDR4 3200 ECC UDIMM module at CL22 and 1.2 V for ASRock EPYC3451D4U-2L2T2O8R servers

  • Total capacity32 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • ECC protection safeguards data integrity in critical workloads
  • 32 GB capacity expands memory headroom for demanding applications
  • DDR4 3200 speed delivers PC4-25600 bandwidth for responsive performance
  • 2 V operation reduces power draw and thermal load
  • 288-pin UDIMM form factor fits compatible ASRock server motherboards

32GB DDR4 ECC UDIMM for ASRock systems

This 32GB DDR4 3200 module targets IT professionals upgrading compatible ASRock Rack motherboards. It delivers error-correcting code memory for stable server and workstation operation. The unbuffered design fits standard 288-pin UDIMM slots.

Suited for single-slot 32GB upgrades on validated

Builders needing registered DIMMs or capacities beyond this single module should look elsewhere. Systems requiring lower latency than CL22 or non-ECC memory are not a match. This part addresses a specific compatibility list only.

3200MHz speed with CL22 latency

The DDR4 3200 rating and CL22 timing define the data rate and response window for the memory controller. Matching these values to the motherboard specification confirms whether this module will operate correctly.

How it compares

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

Price $241.99
Cheaper than about 57% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $7.56 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 lineASRock Server Motherboard Compatible Series Memory
Model nameASRock DDR4 3200 MHz ECC Unbuffered UDIMM
Part numberME25600-328K1
Total capacity32 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 (1 × 32 GB) DDR4 3200 MHz PC4-25600 2Rx8 1.2 V CL22 288-PIN ECC Unbuffered UDIMM

Questions about this item

How much heat and power does a single 32 GB DDR4 3200 CL22 ECC UDIMM at 1.2 V produce during continuous operation?

The module runs at 1.20 V without a heat spreader, so it draws standard DDR4 power and relies on case airflow for cooling.

What must the motherboard provide for this 288-pin 2Rx8 ECC unbuffered DIMM to function?

A DDR4 slot that supports ECC unbuffered UDIMMs at 3200 MT/s and 1.2 V, plus a BIOS that enables ECC.

Will the CL22 timing work with existing DDR4 3200 modules already installed in the same server?

Yes, the CL22 latency matches the JEDEC DDR4 3200 standard, so it will run alongside other DDR4 3200 sticks at the same speed.

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