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Green rectangular DDR4 UDIMM module with black chips, no heat spreader, 288 gold pins visible

NEMIX RAM

NEMIX RAM 32GB DDR4 3200 CL22 ECC UDIMM memory upgrade

SKU CH-33GH-NVHJP

32 GB DDR4 ECC unbuffered UDIMM at 3200 MT/s with CL22 latency for ASRock Rack X570D4U motherboards

  • Total capacity32 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 32 GB capacity expands server memory headroom
  • DDR4 3200 speed supports high-throughput workloads
  • ECC protection detects and corrects data errors
  • 2 V operation reduces power draw per module
  • Validated for ASRock Rack X570D4U series motherboards

Server ECC UDIMM upgrade

This 32 GB DDR4 3200 module adds ECC unbuffered memory to compatible ASRock Rack X570D4U motherboards. It runs at 1.2 V with CL22 timing and a 2Rx8 organisation across 288 pins. The single DIMM format suits systems with limited slot count.

Sustained workload stability

Major OEM chips from Samsung Micron and Hynix are stress tested under load before shipping. ECC corrects single bit errors during long compute runs while the unbuffered design keeps latency low for typical server tasks. No heat spreader means airflow must come from case fans.

Replaces non ECC or smaller DIMMs

The jump is worth it when data integrity matters more than raw bandwidth and the board supports unbuffered ECC. Builders who need registered memory or higher frequencies should look elsewhere. Systems already populated with matching 32 GB modules gain capacity without mixing ranks.

How it compares

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

Price $211.99
Cheaper than about 58% 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 $6.62 per GB
Cheaper than about 60% of the 20,941 comparable items (median $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 numberME25600-328K1
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 power does the 32GB DDR4 3200 CL22 ECC UDIMM draw at its rated 1.20V during continuous operation?

The module runs at 1.20V, the standard DDR4 voltage, so power draw stays low even under sustained server workloads.

What motherboard slot and memory controller features are required to run this 288-pin DDR4 ECC unbuffered UDIMM?

You need a DDR4-capable motherboard with a 288-pin UDIMM slot and an ECC-enabled memory controller — the ASRock Rack X570D4U series is validated.

Will this 2Rx8 CL22 DDR4 3200 module work alongside older DDR4 sticks I already have installed?

Mixing ranks, speeds or latencies can cause instability; for best results populate all slots with identical 3200 CL22 2Rx8 modules.

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