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Two green DDR4 UDIMM sticks, no heat spreaders, gold contacts visible

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR4 3200 ECC UDIMM CL22 2Rx8 1.2V 288-pin memory upgrade

SKU CH-HJBF-TW9XJ

ECC unbuffered DDR4 kit adds 64 GB across two 32 GB modules at 3200 MT/s with CL22 timing

  • Capacity64GB (2 x 32GB)
  • SpeedDDR4 3200 (PC4 25600)
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • ECC protection guards data integrity
  • 64 GB kit expands server capacity
  • DDR4 3200 speed matches platform spec
  • CL22 latency supports stable operation
  • 2 V voltage reduces power draw

Capacity & Kit Configuration

This NEMIX RAM kit provides 64GB of DDR4 ECC UDIMM memory in a matched pair of 32GB modules. It is designed for IT professionals and system builders who need error-correcting capacity for ASRock Rack EPYC3451D4U-2L2T2O8R motherboards. The unbuffered design suits platforms that do not require registered DIMMs.

Ideal Use & Limitations

Suited for administrators upgrading compatible ASRock server or workstation boards with validated, stress-tested modules that run at 1.2V. Buyers who need registered or load-reduced DIMMs, higher frequency DDR4 speeds, or memory for non-ASRock platforms should look at something else.

Deciding Specification

The kit operates at DDR4 3200 (PC4-25600) with CL22 latency and a 2Rx8 rank structure on 288-pin UDIMMs. This exact speed, timing and rank combination must match the motherboard's qualified vendor list for the system to post and run stably.

Points forts

  • ECC protection guards data integrity
  • 64 GB kit expands server capacity
  • DDR4 3200 speed matches platform spec
  • CL22 latency supports stable operation
  • 2 V voltage reduces power draw

Caractéristiques

BrandNEMIX RAM
SeriesASRock Server Motherboard Compatible Series Memory
ModelASRock DDR4 3200MHZ ECC Unbuffered UDIMM
Part NumberME25600-328K2
Capacity64GB (2 x 32GB)
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
Rank2Rx8
FeaturesDDR4 ECC Unbuffered UDIMM Motherboard Compatible
Package Content64GB (2X32GB) DDR4 3200MHZ PC4-25600 2Rx8 1.2V CL22 288-PIN ECC Unbuffered UDIMM KIT

Questions sur cet article

How do I install the 288-pin DDR4 UDIMM kit on the EPYC3451D4U-2L2T2O8R motherboard?

Power off, open the case, align each module notch with the slot key, press firmly until retention clips click on both sides, then verify 64 GB appears in BIOS.

Will the Samsung Micron Hynix chips need any firmware updates or cleaning over time?

No firmware updates are required; keep interior dust-free with compressed air and ensure case fans maintain airflow over the unbuffered modules.

At what point does the CL22 latency become the bottleneck during sustained workloads?

CL22 is the fixed CAS timing; under continuous heavy traffic the 22-cycle row-access delay limits throughput before bandwidth or voltage constraints appear.

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