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Eight green DDR4 UDIMM sticks in a row

NEMIX RAM

NEMIX RAM 128GB (8x16GB) DDR4 3200 CL22 UDIMM for THINKMATE VSX-R5-540X1

SKU CH-56QJ-KS37D

Eight 16 GB DDR4 3200 CL22 unbuffered UDIMMs totalling 128 GB at 1.2 V for the Thinkmate VSX-R5-540X1 workstation

  • Total capacity128 GB (8 × 16 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 128 GB total capacity across 8 modules for large workloads
  • DDR4 3200 speed with CL22 latency for responsive performance
  • 2 V operation keeps power draw low
  • 288-pin UDIMM form factor fits compatible Thinkmate workstations
  • 2Rx8 dual-rank organisation maximises density per slot

Thinkmate VSX-R5-540X1 compatible memory kit

This 128GB kit contains eight 16GB DDR4 UDIMMs built for the Thinkmate VSX-R5-540X1 workstation. The modules run at 3200MHz with CL22 latency and operate at 1.20V. They are non-ECC unbuffered DIMMs using major OEM chips from Samsung, Micron or Hynix. The kit provides a straightforward capacity upgrade for that specific platform.

Thermals noise and power draw in normal use

Each module draws 1.20V and carries no heat spreader, relying on case airflow for cooling. The unbuffered design keeps the electrical load on the memory controller low during typical workloads. Power consumption scales with the eight populated slots, so adequate chassis ventilation helps maintain stable temperatures. No active cooling components are included on the sticks themselves.

Build fit what it needs and what it frees

The 288-pin DDR4 form factor fits standard UDIMM slots on the target workstation motherboard. Populating all eight channels maximises the platform's memory bandwidth without requiring registered or ECC modules. The kit leaves no spare slots for further expansion, so the full 128GB is available immediately. Compatibility is validated for the Thinkmate VSX-R5-540X1 system.

How it compares

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

Price $776.99
Pricier than about 57% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (8 × 16 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $6.07 per GB
Cheaper than about 65% 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 lineTHINKMATE Server/Workstation Compatible Series Memory
Model nameTHINKMATE DDR4 3200 MHz Non-ECC Unbuffered UDIMM
Part numberMD25600-628K8
Total capacity128 GB (8 × 16 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 rank2Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsTHINKMATE
In the box
Included items128 GB (8 × 16 GB) DDR4 3200 MHz PC4-25600 2Rx8 1.2 V CL22 288-PIN Non-ECC Unbuffered UDIMM KIT

Questions about this item

How do I install the 288-pin DDR4 UDIMM modules in the ThinkMate VSX-R5-540X1, and which step is often missed?

Power off and unplug the workstation, open the chassis, align each module's notch with the slot key, press firmly until both retention clips click, then verify all eight 16 GB sticks are seated before closing the case.

What maintenance or replacement will the 128 GB DDR4 3200 kit need over its service life?

The modules have no heat spreaders and carry a lifetime replacement warranty; only occasional dust removal from the slots is required unless a stick fails, in which case the warranty covers replacement.

What limit appears first when the 2Rx8 CL22 1.20 V memory runs sustained workloads on the VSX-R5-540X1?

The CAS latency of 22 cycles at 3200 MT/s sets the primary timing bottleneck before thermal throttling becomes a factor on these unbuffered, non-ECC UDIMMs.

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