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Four green DDR4 RDIMM modules with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 256GB (4×64GB) DDR4 3200 ECC RDIMM CL22 1.2V 288-pin 4Rx4 ThinkMate memory upgrade

SKU CH-73ZV-RH7JS

256 GB kit of four 64 GB DDR4 3200 ECC registered DIMMs at CL22 and 1.2 V for ThinkMate tower servers

  • Total capacity256 GB (4 × 64 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • 256 GB total capacity across four 64 GB modules
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • ECC registered design protects data integrity in servers
  • 2 V operation reduces power draw under load
  • Validated for ThinkMate TWX-XS8 tower servers

256GB DDR4 ECC RDIMM kit for ThinkMate towers

This registered ECC memory kit delivers 256 GB across four 64 GB modules built for ThinkMate TWX‑XS8 tower servers. It targets administrators who need maximum supported capacity for virtualization or database workloads.

DDR4 3200 registered ECC limits

The DDR4 3200 interface tops out at PC4‑25600 bandwidth with CL22 latency and 1.2 V operation. Registered buffering adds one cycle of command delay, and the 4Rx4 organisation restricts maximum rank‑per‑channel density on many server platforms.

Bare modules with 288‑pin RDIMM connectors

No heat spreaders are fitted, so airflow across the PCB is essential in densely populated chassis. The standard 288‑pin RDIMM keying prevents insertion into UDIMM or LRDIMM slots, and the four‑module kit fills all channels on compatible two‑socket boards.

How it compares

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

Price $1,673.99
Pricier than about 66% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (4 × 64 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $6.54 per GB
Cheaper than about 60% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineTHINKMATE Server/Workstation Compatible Series Memory
Model nameTHINKMATE DDR4 3200 MHz ECC RDIMM Registered Server Memory
Part numberMR25600-944K4
Total capacity256 GB (4 × 64 GB)
Product type288-Pin DDR4 RDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL22
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank4Rx4
Power
Rated voltage1.2 V
Compatibility
Compatible systemsTHINKMATE
In the box
Included items256 GB (4 × 64 GB) DDR4 3200 MHz PC4-25600 4Rx4 1.2 V CL22 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Should I choose the 4×64GB kit or a different capacity for my ThinkMate TWX-XS8 server?

The kit provides 256GB total across four 64GB modules, filling four slots with 4Rx4 registered ECC DDR4 3200 memory.

What does the 3200 speed rating deliver in a ThinkMate TWX-XS8-24S3 tower?

The modules run at DDR4 3200 (PC4-25600) with CL22 latency at 1.2V, matching the server's supported memory bus.

Will the 288-pin RDIMM interface work with the ThinkMate TWX-XS8-14S3 motherboard?

Yes, the 288-pin DDR4 RDIMM form factor with registered ECC and 4Rx4 organisation is the specified type for those ThinkMate towers.

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