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Two green 288-pin DDR4 UDIMM modules, no heat spreaders, 16GB each

NEMIX RAM

NEMIX RAM 32GB (2x16GB) DDR4 3200 CL22 2Rx8 1.2V UDIMM ThinkMate VSX-R5-540X1 memory upgrade

SKU CH-ZFEG-5QNCA

32 GB dual-channel DDR4 3200 CL22 kit validated for ThinkMate VSX-R5-540X1 workstations

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeUnbuffered
  • Rated voltage1.2 V
  • 32 GB kit doubles capacity for demanding workloads
  • DDR4 3200 speed matches platform spec for stable throughput
  • CL22 latency and 1.2 V voltage keep power draw low
  • 2Rx8 dual-rank layout optimises bandwidth on supported boards
  • Tested compatible with ThinkMate VSX-R5-540X1 workstation

System-Specific 32 GB Kit

This NEMIX RAM kit delivers 32 GB of DDR4 memory in a matched pair of 16 GB modules. It is built for the ThinkMate VSX-R5-540X1 workstation and targets IT professionals who need validated compatibility in mission-critical environments. The unbuffered, non-ECC design suits desktop-class boards that do not support registered DIMMs.

Upgrade From Lower Capacity DDR4

The kit replaces smaller DDR4 configurations such as 8 GB or 16 GB total capacity running at lower speeds or looser timings. A jump is worthwhile when workloads exceed the current memory ceiling, causing paging or limiting virtual-machine density. The 3200 MT/s rating and CL22 latency match the platform's supported specification without requiring manual tuning.

Dual-Channel 288-Pin UDIMM Fit

Two 288-pin UDIMM modules populate a dual-channel motherboard layout at the standard 1.20 V operating voltage. The 2Rx8 organisation works with consumer and workstation chipsets that accept unbuffered DDR4. No heat spreader is fitted, so clearance is minimal and airflow is unrestricted. Builders needing ECC, registered modules or DDR5 should select a different product line.

How it compares

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

Price $178.99
Cheaper than about 59% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $5.59 per GB
Cheaper than about 69% 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 numberMD25600-628K2
Total capacity32 GB (2 × 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 items32 GB (2 × 16 GB) DDR4 3200 MHz PC4-25600 2Rx8 1.2 V CL22 288-PIN Non-ECC Unbuffered UDIMM KIT

Questions about this item

Will the 288-pin DDR4 UDIMM modules fit the ThinkMate VSX-R5-540X1 motherboard slots?

Yes, these 288-pin DDR4 UDIMMs are designed for the ThinkMate VSX-R5-540X1 workstation and match the required physical form factor.

What is the correct way to seat the 2Rx8 modules so the system recognises the full 32 GB kit?

Insert each 16 GB module firmly until the retention clips click on both sides; install them in the matched-channel slots shown in the ThinkMate manual.

Do these non-ECC unbuffered DIMMs need any firmware updates or periodic re-seating over time?

No firmware updates are required; the modules run at 1.20 V with standard JEDEC timings and do not need scheduled maintenance.

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