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Four green DDR4 UDIMM modules with black chips no heat spreaders 288 pins each

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR4 3200 CL22 ECC UDIMM Kit for ASUS ROG Crosshair VIII Hero

SKU CH-37V1-FJN6M

128 GB DDR4-3200 ECC unbuffered kit with four 32 GB modules, CL22 latency and 1.2 V operation for the ASUS ROG Crosshair VIII Hero motherboard

  • Capacity128GB (4 x 32GB)
  • SpeedDDR4 3200 (PC4 25600)
  • ECCYes
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • 128 GB capacity across four 32 GB modules for high-density workloads
  • DDR4 3200 speed with CL22 latency for responsive data access
  • ECC unbuffered design detects and corrects single-bit errors automatically
  • 2 V operation reduces power draw and thermal load
  • Validated for ASUS ROG Crosshair VIII Hero X570 motherboard compatibility

Built for ASUS ROG Crosshair VIII Hero

This 128GB kit uses four 32GB DDR4 ECC unbuffered UDIMMs validated for the ASUS ROG Crosshair VIII Hero motherboard. It targets workstation builders and IT professionals who need error-correcting memory for data integrity in critical workloads.

Thermals, noise and power

Modules run at 1.20V without heat spreaders, relying on case airflow for cooling. Passive operation adds no fan noise, and the low voltage keeps power draw modest for a 128GB configuration.

Capacity and ECC decide fit

The 128GB total capacity combined with ECC unbuffered design determines suitability; systems that require registered DIMMs or non-ECC memory cannot use this kit. Buyers needing higher densities per module or registered ECC should look elsewhere.

Highlights

  • 128 GB capacity across four 32 GB modules for high-density workloads
  • DDR4 3200 speed with CL22 latency for responsive data access
  • ECC unbuffered design detects and corrects single-bit errors automatically
  • 2 V operation reduces power draw and thermal load
  • Validated for ASUS ROG Crosshair VIII Hero X570 motherboard compatibility

Specifications

BrandNEMIX RAM
SeriesASUS Server Motherboard Compatible Series Memory
ModelASUS 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 SystemASUS
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 about this item

How do I install the 288-pin DDR4 ECC UDIMM modules into the ASUS ROG Crosshair VIII Hero, and what step is often missed?

Align each module's notch with the slot key, press down firmly until both side clips click, then enable ECC in the BIOS so the 3200 CL22 1.20 V kit runs with error correction.

What maintenance or replacement will the 128 GB (4 x 32 GB) 2Rx8 kit need later?

No routine maintenance is required; keep the slots dust-free and, if a module fails, replace it with an identical 32 GB DDR4 3200 CL22 ECC UDIMM to maintain quad-channel operation.

What limit appears first under sustained load with the 3200 MHz PC4-25600 CL22 1.2 V modules?

The CL22 latency at 3200 MHz sets the bandwidth ceiling; prolonged heavy workloads hit this timing limit before the 1.2 V thermal envelope becomes a concern.

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