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Four green DDR4 ECC UDIMM sticks without heat spreaders

NEMIX RAM

NEMIX RAM 32GB (4x8GB) DDR4 3200 CL22 ECC UDIMM Kit ASRock X570D4U

SKU CH-9FY8-QME0P

A 32 GB DDR4 ECC UDIMM kit running at 3200 MHz CL22 and 1.2 V, validated for ASRock Rack X570D4U motherboards

  • Capacity32GB (4 x 8GB)
  • SpeedDDR4 3200 (PC4 25600)
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • ECC protection guards data integrity in server workloads
  • DDR4 3200 speed delivers responsive throughput for multi-tasking
  • 20 V operation reduces power draw and heat
  • 288-pin UDIMM form factor fits ASRock X570D4U boards directly
  • Four 8 GB modules populate all channels for balanced bandwidth

Server ECC Kit

This NEMIX RAM kit delivers 32GB of DDR4 ECC memory across four 8GB unbuffered UDIMM modules. It runs at 3200MHz with CL22 latency at 1.20V using 288-pin 1Rx8 organisation. The kit is validated for ASRock Rack X570D4U motherboards.

Standard DDR4 Upgrade

It replaces non-ECC or lower-capacity DDR4 UDIMMs in compatible ASRock Rack platforms. The jump is worth it when workloads demand error correction and 32GB total capacity for virtualisation or file services.

X570D4U Builders

Suits administrators populating all four slots on X570D4U, X570D4U-2L2T or X570D4U-2L2T/BCM boards with matched ECC modules. Not for systems requiring registered DIMMs, heat spreaders, or speeds beyond DDR4 3200.

Highlights

  • ECC protection guards data integrity in server workloads
  • DDR4 3200 speed delivers responsive throughput for multi-tasking
  • 20 V operation reduces power draw and heat
  • 288-pin UDIMM form factor fits ASRock X570D4U boards directly
  • Four 8 GB modules populate all channels for balanced bandwidth

Specifications

BrandNEMIX RAM
SeriesASRock Server Motherboard Compatible Series Memory
ModelASRock DDR4 3200MHZ ECC Unbuffered UDIMM
Part NumberME25600-818K4
Capacity32GB (4 x 8GB)
SpeedDDR4 3200 (PC4 25600)
ECCYes
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemASRock
CAS LatencyCL22
Heat SpreaderNo
Type288-Pin DDR4 ECC UDIMM
Rank1Rx8
FeaturesDDR4 ECC Unbuffered UDIMM Motherboard Compatible
Package Content32GB (4X8GB) DDR4 3200MHZ PC4-25600 1Rx8 1.2V CL22 288-PIN ECC Unbuffered UDIMM KIT

Questions about this item

Will the 288-pin UDIMM modules fit the DIMM slots on my ASRock Rack X570D4U motherboard?

Yes, the kit uses standard 288-pin DDR4 ECC UDIMM modules, which match the slot type on the ASRock Rack X570D4U series boards.

What is the correct way to populate the four 8 GB sticks on the X570D4U, and what step do builders often miss?

Install one module in each of the four slots to fill all channels; the step often missed is pressing down firmly until both side latches click into place.

Does the lack of a heat spreader mean I will need extra cooling or replacement modules sooner?

No, the modules run at 1.2 V without a heat spreader and are rated for continuous operation; no scheduled replacement or additional cooling is required.

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