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Four green DDR4 UDIMM sticks without heat spreaders

NEMIX RAM

NEMIX RAM 32GB (4x8GB) DDR4 3200 CL22 ECC UDIMM Kit for ASRock EPYC3451D4U-2L2T2O8R memory upgrade

SKU CH-MFFD-X79AX

32 GB kit of four 8 GB DDR4-3200 ECC UDIMM modules with CL22 latency and 1.2 V operation for the ASRock EPYC3451D4U-2L2T2O8R motherboard

  • Capacity32GB (4 x 8GB)
  • SpeedDDR4 3200 (PC4 25600)
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • 32 GB kit expands server memory capacity
  • DDR4 3200 speed handles heavy workloads
  • CL22 latency supports stable operation
  • ECC UDIMM detects and corrects data errors
  • 2 V modules lower power consumption

System-specific ECC kit

This NEMIX RAM kit delivers 32GB of DDR4 3200 ECC unbuffered memory across four 8GB modules. It is built for the ASRock Rack EPYC3451D4U-2L2T2O8R motherboard and suits administrators who need validated capacity for server workloads.

Thermals and power

Each module runs at 1.2V without a heat spreader, relying on chassis airflow for cooling. The low voltage and unbuffered design keep power draw modest and acoustic impact negligible in typical rack environments.

Upgrade context

The kit replaces smaller or slower DDR4 ECC UDIMM populations to reach 32GB in four slots. The jump is worthwhile when the platform demands ECC integrity and the board’s qualified vendor list includes this part number.

Points forts

  • 32 GB kit expands server memory capacity
  • DDR4 3200 speed handles heavy workloads
  • CL22 latency supports stable operation
  • ECC UDIMM detects and corrects data errors
  • 2 V modules lower power consumption

Caractéristiques

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 sur cet article

How do I install the four 288-pin DDR4 UDIMM modules in the ASRock EPYC3451D4U-2L2T2O8R, and what step is often missed?

Power down the server, open the chassis, align each module's notch with the slot key, press firmly until both retention clips click, then verify all four 8 GB sticks are recognised in BIOS before closing the case.

What maintenance or replacement will the CL22 ECC UDIMM kit need over its service life?

The modules have no heat spreaders and no moving parts, so no scheduled maintenance is required; only a failed stick would need replacement under the lifetime warranty.

At sustained load, which limit of the 3200 MHz 1.20 V kit appears first?

The CL22 latency at 3200 MT/s is the primary timing constraint; thermal throttling is unlikely because the unbuffered UDIMMs run at standard 1.20 V without overclocking.

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