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Two green 288-pin DDR4 UDIMM sticks without heat spreaders

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR4 3200 CL22 ECC UDIMM Kit for ASRock Rack B550D4 memory upgrade

SKU CH-P6H2-H8XKP

A 64 GB dual-channel DDR4 3200 ECC UDIMM kit built for ASRock Rack B550D4 motherboards

  • Capacity64GB (2 x 32GB)
  • SpeedDDR4 3200 (PC4 25600)
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • 64 GB capacity expands server memory headroom
  • ECC UDIMM protects data integrity in critical workloads
  • DDR4 3200 CL22 delivers responsive throughput at 1.2 V
  • 2Rx8 dual-rank organisation maximises density per slot
  • Validated for ASRock Rack B550D4 series motherboards

64GB DDR4 ECC UDIMM kit for ASRock Rack B550D4

This 64GB kit delivers 2x32GB DDR4 3200 ECC unbuffered UDIMM modules built for ASRock Rack B550D4 motherboards. It targets administrators and integrators who need validated, error-correcting memory for server or workstation workloads on these specific boards. The modules run at 1.2V with CL22 latency and 2Rx8 organisation.

No heat spreader and strict board validation

The modules ship without heat spreaders, relying on chassis airflow in 1U or dense configurations. Each stick is tested for compatibility with the listed B550D4 variants, reducing the risk of POST failures or silent data corruption. The kit includes only the two UDIMMs; no additional cables, brackets or software are supplied.

Suits B550D4 builds needing 64GB ECC.

This kit fits users expanding an ASRock Rack B550D4 system to 64GB with ECC protection. Builders using consumer boards without ECC support, or those requiring registered DIMMs, higher speeds, lower latency or heat-spreader-equipped modules should select a different product.

Points forts

  • 64 GB capacity expands server memory headroom
  • ECC UDIMM protects data integrity in critical workloads
  • DDR4 3200 CL22 delivers responsive throughput at 1.2 V
  • 2Rx8 dual-rank organisation maximises density per slot
  • Validated for ASRock Rack B550D4 series motherboards

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

Will the 2Rx8 DDR4 modules need any firmware updates or reconfiguration after installation in the ASRock Rack B550D4?

The kit arrives at 1.20V with CL22 timings and is validated for the B550D4 series; no firmware updates or manual reconfiguration are required — install the 288-pin UDIMMs and the board will train them automatically.

What is the first limit reached when the 64GB kit runs sustained workloads on the B550D4?

The modules are rated DDR4 3200 (PC4-25600) with CL22 latency; under continuous load the CAS 22 timing ceiling is reached before any voltage or thermal throttle occurs.

How much heat and power do the two 32GB sticks draw when the system runs all day?

Each stick operates at 1.20V without a heat spreader; total kit power stays at the standard DDR4 1.2V level and passive airflow in a server chassis keeps temperatures within normal operating range.

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