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
1.5 TB server memory kit with twelve 128 GB DDR4 3200 ECC registered DIMMs for ThinkMate GPU-optimised systems
This kit provides 1.5 TB of DDR4 3200 ECC registered memory in twelve 128 GB modules. It is built for ThinkMate GPX-QN4-22E2-4NVLINK and GPX-QN12-24E2-10GPU GPU-optimised servers that require registered DIMMs with error correction.
The modules are validated for the two ThinkMate GPU-optimised server models listed. Systems that use unbuffered memory, a different DDR generation, or a lower maximum module capacity cannot use this kit.
Each module is a 288-pin 4Rx4 registered DIMM running at 1.20 V with CL22 latency. The 4Rx4 organisation and registered buffer are the decisive factors for compatibility with the target ThinkMate server memory controllers.
| Brand | NEMIX RAM |
|---|---|
| Series | THINKMATE Server/Workstation Compatible Series Memory |
| Model | THINKMATE DDR4 3200MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR25600-744K12 |
| Capacity | 1.5TB (12 x 128GB) |
| 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 | 4Rx4 |
| Features | DDR4 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 1.5TB (12X128GB) DDR4 3200MHZ PC4-25600 4Rx4 1.2V CL22 288-PIN ECC RDIMM Registered Server Memory KIT |
The kit contains twelve 288-pin DDR4 RDIMMs, so the server needs twelve available DDR4 RDIMM slots.
Mixing registered ECC RDIMMs of different speeds is not recommended; the memory controller will typically down-clock all modules to the slowest installed speed and may require identical rank configuration for stability.
Check the BIOS or UEFI memory information screen — it should report 1.5 TB total with ECC enabled, and the operating system should show the same usable capacity without errors.
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