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Green 8GB DDR4 UDIMM circuit board with black chips, no heat spreader

NEMIX RAM

NEMIX RAM 8GB DDR4 3200 CL22 288-Pin UDIMM ASRock TRX40 Taichi Compatible memory upgrade

SKU CH-W77K-HGVW4

8 GB DDR4 3200 CL22 UDIMM module validated for ASRock TRX40 Taichi motherboards

  • Total capacity8 GB
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 8GB capacity expands system memory for multitasking
  • DDR4 3200 speed transfers data at PC4-25600 bandwidth
  • CL22 latency at 1.2V reduces access delay
  • 288-pin UDIMM form factor fits desktop DIMM slots
  • Tested compatible with ASRock TRX40 Taichi motherboard

ASRock TRX40 Taichi Compatible DDR4 Memory

This NEMIX RAM module is an 8GB DDR4 3200 UDIMM built for the ASRock TRX40 Taichi motherboard. It targets system builders and IT professionals who need a validated, single-rank memory upgrade for that specific platform.

DDR4 3200 Speed and CL22 Latency Limits

The module runs at DDR4 3200 (PC4-25600) with a CAS latency of CL22 at 1.20V. Bandwidth and response time are fixed by that JEDEC standard; the memory cannot exceed the controller's maximum supported data rate or operate at tighter timings without manual adjustment.

Simple UDIMM Installation With Standard Risks

Installation follows the usual 288-pin UDIMM procedure: align the notch, press until the retention clips lock, and verify seating. Common issues include the motherboard not applying the rated speed by default, requiring a manual BIOS selection, or failing to post if the slot population rules for the TRX40 platform are not followed.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $53.99
Cheaper than about 77% of the 21,161 comparable items (median $397.99).
Total capacity 8 GB
Lower than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $6.75 per GB
Cheaper than about 59% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Product lineASRock Gaming Motherboard Compatible Series Memory
Model nameASRock DDR4 3200 MHz Non-ECC Unbuffered UDIMM
Part numberMD25600-818K1
Total capacity8 GB
Product type288-Pin DDR4 UDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL22
ECC supportNo
Buffer typeUnbuffered
Heat spreaderNo
Memory rank1Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsASRock
In the box
Included items8 GB (1 × 8 GB) DDR4 3200 MHz PC4-25600 1Rx8 1.2 V CL22 288-PIN Non-ECC Unbuffered UDIMM

Questions about this item

Should I choose the 1Rx8 8 GB module or look for a dual-rank alternative?

The module is a single-rank 1Rx8 8 GB stick; single-rank designs generally place less load on the memory controller, which helps stability on the TRX40 platform at 3200 MT/s.

What does the 3200 MT/s rating deliver once installed in an ASRock TRX40 Taichi system?

At 3200 MT/s the DIMM provides PC4-25600 bandwidth; the board will run it at that speed with XMP or manual timing set to CL22 1.20 V.

How does the 288-pin DDR4 UDIMM interface limit upgrade options on this motherboard?

The 288-pin DDR4 UDIMM slot accepts only DDR4 unbuffered non-ECC modules; DDR5 or registered DIMMs will not fit or function.

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