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Twelve green DDR4 RDIMM sticks in a row

NEMIX RAM

NEMIX RAM 1.5TB (12x128GB) DDR4 3200 CL22 ECC RDIMM memory upgrade

SKU CH-JK41-41SG8

1.5 TB DDR4 3200 ECC registered server memory kit with twelve 128 GB modules at CL22 and 1.2 V

  • Total capacity1.5 TB (12 × 128 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeRegistered
  • Rated voltage1.2 V
  • 5 TB total capacity from twelve 128 GB modules
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • ECC registered RDIMM design protects data integrity
  • Low 1.2 V operating voltage reduces power draw
  • Validated for ThinkMate Supermicro SuperServer tower systems

Server-grade memory kit

This NEMIX RAM kit delivers 1.5TB of DDR4 capacity across twelve 128GB RDIMM modules. Registered ECC design targets Thinkmate Supermicro SuperServer tower platforms running mission-critical workloads. IT professionals specify this density for virtualisation clusters and large in-memory databases.

Thermals and power

Modules operate at 1.20V without heat spreaders, relying on server chassis airflow for cooling. Registered buffers and ECC logic add minimal overhead to the 1.2V baseline during normal operation. Twelve modules draw steady power within standard DDR4 RDIMM limits for the platform.

Sustained load behaviour

CL22 latency and 4Rx4 organisation maintain signal integrity during extended compute passes. ECC correction handles single-bit errors without interrupting throughput on all twelve channels. Registered signalling keeps command bus stable when every DIMM slot is populated at 3200 MT/s.

How it compares

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

Price $10,638.99
Pricier than about 88% of the 21,161 comparable items (median $397.99).
Total capacity 1.5 TB (12 × 128 GB)
Higher than about 97% of the 20,941 comparable items (median 32 GB).
Price per GB $7.09 per GB
Cheaper than about 57% 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 nameSuperMicro DDR4 3200 MHz ECC RDIMM Registered Server Memory
Part numberMR25600-744K12
Total capacity1.5 TB (12 × 128 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 items1.5 TB (12 × 128 GB) DDR4 3200 MHz PC4-25600 4Rx4 1.2 V CL22 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

How do I install the 12 288-pin DDR4 RDIMM modules into the ThinkMate Supermicro SuperServer tower?

Power down the server, open the chassis, and seat each 128 GB 4Rx4 module in the slots specified by the Supermicro motherboard manual; the registered design requires correct slot population order for the memory controller to initialise all 1.5 TB.

Will the Samsung, Micron or Hynix DRAM chips on these registered ECC modules need any firmware updates or scheduled replacement?

The major-OEM DRAM chips are validated for server workloads and have no user-serviceable firmware; ECC corrects single-bit errors on the fly, so modules are only replaced if the system logs uncorrectable errors or a DIMM fails POST.

At what point does the CL22 latency at 3200 MT/s become the bottleneck during sustained all-core workloads?

With 12 ranks per channel the memory controller hits bandwidth saturation before CAS latency dominates; sustained throughput is limited by the PC4-25600 data rate and the 1.2 V registered buffer timing budget.

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