SK hynix HMA42GR7AFR4N-TF 16GB DDR4 2133MHz CL15 ECC Registered Dual Rank 1.2V 288-Pin Server RAM
- 16GB
- 288-Pin DDR4 SDRAM
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NEMIX RAM
32 GB DDR4-3200 ECC registered kit in four 8 GB RDIMMs for ThinkMate GPU-optimised servers
This 32 GB kit contains four 8 GB DDR4 3200 modules built to the PC4-25600 standard. Each stick is a registered 1Rx8 ECC RDIMM designed for ThinkMate GPX-QS4-12E2-4GPU and GPX-QT8-22E2-8GPU GPU-optimised servers. The modules run at 1.2 V with CL22 latency and use major-brand Samsung, Micron or Hynix chips. They install in standard 288-pin DDR4 slots without a heat spreader.
Registered ECC RDIMMs draw slightly more power than unbuffered DIMMs because of the on-board register, but the 1.2 V operating voltage keeps consumption modest. Passive operation means zero fan noise from the memory itself; system airflow handles the thermal load. The CL22 timing at 3200 MT/s delivers stable throughput for sustained server workloads without generating excess heat.
Four 8 GB modules fill four DIMM slots, leaving any remaining slots free for future expansion. Registered buffering reduces electrical load on the memory controller, helping signal integrity in dense configurations. ECC protection corrects single-bit errors to maintain data integrity in mission-critical tasks. Compatibility is validated for the listed ThinkMate platforms; other systems require manual verification against the motherboard qualified-vendor list.
| Brand | NEMIX RAM |
|---|---|
| Series | THINKMATE Server/Workstation Compatible Series Memory |
| Model | THINKMATE DDR4 3200MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR25600-818K4 |
| Capacity | 32GB (4 x 8GB) |
| Speed | DDR4 3200 (PC4 25600) |
| ECC | Yes |
| Buffered/Registered | Registered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.20V |
| Compatible System | THINKMATE |
| CAS Latency | CL22 |
| Heat Spreader | No |
| Type | 288-Pin DDR4 RDIMM |
| Rank | 1Rx8 |
| Features | DDR4 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 32GB (4X8GB) DDR4 3200MHZ PC4-25600 1Rx8 1.2V CL22 288-PIN ECC RDIMM Registered Server Memory KIT |
Power off the server, open the chassis, align each module's notch with the slot key, press firmly until the retention clips click, then repeat for all four 8 GB sticks to reach 32 GB total.
No firmware updates are required for the memory itself; ECC correction is handled by the memory controller, and the modules are designed to remain seated for the life of the server.
The modules operate at 1.20 V without heat spreaders, so the first limit is the server's own airflow capacity rather than a module-level throttle point.
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