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Four green DDR4 UDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR4 3200 ECC UDIMM CL22 1.2V 2Rx8 288-Pin memory upgrade

SKU CH-RD5F-Q4T2B

A 128 GB kit of four 32 GB DDR4 3200 ECC UDIMM modules at CL22 and 1.2 V for compatible ASRock server boards

  • Capacity128GB (4 x 32GB)
  • SpeedDDR4 3200 (PC4 25600)
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • 128 GB total capacity across four 32 GB modules
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • ECC unbuffered design protects data integrity in critical workloads
  • 2Rx8 dual-rank organisation with CL22 latency at 1.2 V
  • Validated for ASRock Rack B550D4 series motherboards

ASRock DDR4 3200 ECC UDIMM 128GB Kit

This 128GB kit contains four 32GB DDR4 3200 ECC unbuffered UDIMMs. It is built for ASRock Rack B550D4 motherboards such as B550D4-4L, B550D4ID-2L2T, B550D4M, B550D4U and B550D4U-2T. The modules run at 1.20V with CL22 latency and a 2Rx8 rank layout. System builders targeting those specific server boards get validated compatibility.

Who Should Choose This and Who Should Not

This memory suits administrators upgrading the listed ASRock Rack platforms with ECC unbuffered DDR4. Buyers needing registered DIMMs, higher speeds, lower latency, heat spreaders, or capacities beyond 128GB cannot use this kit. Non-ASRock boards, consumer desktop chipsets, and laptops are also outside the validated scope.

The Deciding Specification

The defining figure is the 288-pin DDR4 3200 ECC unbuffered UDIMM form factor at 1.20V with CL22 timing. If the motherboard requires registered ECC, a different voltage, or a non-DDR4 generation, this kit will not function. Verify the board accepts unbuffered ECC UDIMMs before ordering.

Points forts

  • 128 GB total capacity across four 32 GB modules
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • ECC unbuffered design protects data integrity in critical workloads
  • 2Rx8 dual-rank organisation with CL22 latency at 1.2 V
  • Validated for ASRock Rack B550D4 series motherboards

Caractéristiques

BrandNEMIX RAM
SeriesASRock Server Motherboard Compatible Series Memory
ModelASRock DDR4 3200MHZ ECC Unbuffered UDIMM
Part NumberME25600-328K4
Capacity128GB (4 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 Content128GB (4X32GB) DDR4 3200MHZ PC4-25600 2Rx8 1.2V CL22 288-PIN ECC Unbuffered UDIMM KIT

Questions sur cet article

Does my motherboard need four DDR4 UDIMM slots to use this 128 GB kit?

Yes, the kit contains four 32 GB modules that each occupy one 288-pin DDR4 UDIMM slot, so four free slots are required.

Will these ECC UDIMMs work in an older DDR4 board that only supports non-ECC memory?

No, the modules are ECC unbuffered; a motherboard that does not support ECC will not recognise or use them correctly.

How can I verify the kit is running at 3200 MT/s with CL22 after installation?

Check the memory speed and latency in the BIOS or with a tool such as CPU-Z; they should show DDR4-3200 and CAS latency 22.

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