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Eight green DDR4 UDIMM sticks with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM MD25600-328K8 256GB (8x32GB) DDR4 3200 CL22 1.2V 288-pin UDIMM memory upgrade

SKU CH-J4PS-CWE70

Eight 32 GB DDR4 3200 CL22 1.2 V unbuffered UDIMM modules totalling 256 GB for ASRock TRX40 Taichi motherboards

  • Capacity256GB (8 x 32GB)
  • SpeedDDR4 3200 (PC4 25600)
  • ECCNo
  • Buffered/RegisteredUnbuffered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V
  • 256GB total capacity with eight 32GB modules
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • Low 1.2V operating voltage for efficient power draw
  • CL22 CAS latency timed for stable operation
  • 288-pin UDIMM form factor fits standard desktop slots

Capacity and compatibility

This 256GB kit contains eight 32GB DDR4 3200 modules built for ASRock TRX40 Taichi motherboards. Each stick runs at 1.2V with CL22 latency in a 2Rx8 unbuffered layout. The 288-pin UDIMM form factor fits standard desktop DIMM slots.

Suited for high-density TRX40 builds

Workstation users who need the full 256GB supported by the platform will use every slot. Builds that require ECC error correction or registered modules cannot use this non-ECC unbuffered kit. Systems limited to lower maximum memory per slot should look elsewhere.

Ready-to-install module set

Eight matched sticks arrive in a single package so the full capacity installs without mixing kits. No heat spreaders are included, keeping the profile low for tight cooler clearance. The kit is validated for the named motherboard to reduce compatibility troubleshooting.

Highlights

  • 256GB total capacity with eight 32GB modules
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • Low 1.2V operating voltage for efficient power draw
  • CL22 CAS latency timed for stable operation
  • 288-pin UDIMM form factor fits standard desktop slots

Specifications

BrandNEMIX RAM
SeriesASRock Gaming Motherboard Compatible Series Memory
ModelASRock DDR4 3200MHZ Non-ECC Unbuffered UDIMM
Part NumberMD25600-328K8
Capacity256GB (8 x 32GB)
SpeedDDR4 3200 (PC4 25600)
ECCNo
Buffered/RegisteredUnbuffered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemASRock
CAS LatencyCL22
Heat SpreaderNo
Type288-Pin DDR4 UDIMM
Rank2Rx8
FeaturesDDR4 Non- ECC Unbuffered UDIMM Motherboard Compatible
Package Content256GB (8X32GB) DDR4 3200MHZ PC4-25600 2Rx8 1.2V CL22 288-PIN Non-ECC Unbuffered UDIMM KIT

Questions about this item

Does this 8×32 GB kit need a motherboard with eight DDR4 UDIMM slots?

Yes — the kit contains eight 288-pin DDR4 UDIMM modules, so the board must provide eight slots.

Will the kit run at its rated 3200 speed if I keep slower DDR4 modules in the remaining slots?

The memory controller will drop all modules to the lowest common speed, so adding slower sticks forces the kit below 3200.

How can I confirm the full 256 GB is active after installing all eight modules?

Check the BIOS or OS memory report — it should show 256 GB recognised at 3200 MT/s with CL22 timings.

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