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
512GB quad-channel DDR4-3200 ECC registered kit with CL22 latency and 1.2V operation for ThinkMate GPU-optimised servers
This 512GB kit contains four 128GB DDR4 3200 ECC registered DIMMs built for ThinkMate GPX-QN4-22E2-4NVLINK and GPX-QN12-24E2-10GPU GPU-optimised servers. It targets IT teams expanding memory capacity in validated enterprise platforms. The modules are stress-tested for stability in mission-critical workloads. Buyers needing non-registered or consumer-form-factor memory should look elsewhere.
The kit delivers 512GB total capacity across four dual-rank 4Rx4 modules running at PC4-25600 with CAS latency 22 and 1.20V operation. Registered buffering and on-die ECC provide the error correction and signal integrity required by multi-socket server chipsets. Capacity headroom suits large dataset caching, virtualisation density and GPU compute buffers. Workloads exceeding 512GB per node will require additional DIMM slots or higher-density modules not included here.
Each module uses a standard 288-pin DDR4 RDIMM PCB with major OEM Samsung, Micron or Hynix DRAM chips and no integrated heat spreader. The bare-PCB design fits dense server DIMM arrays where airflow is managed by chassis fans rather than module sinks. Registered signalling reduces electrical load on the memory controller, supporting full population of all channels. Systems requiring tall heat spreaders or proprietary form factors cannot use these modules.
| Brand | NEMIX RAM |
|---|---|
| Series | THINKMATE Server/Workstation Compatible Series Memory |
| Model | THINKMATE DDR4 3200MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR25600-744K4 |
| Capacity | 512GB (4 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 | 512GB (4X128GB) DDR4 3200MHZ PC4-25600 4Rx4 1.2V CL22 288-PIN ECC RDIMM Registered Server Memory KIT |
The modules are DDR4 3200 PC4-25600 CL22 1.2V 288-pin ECC registered RDIMMs; the server memory controller will negotiate the highest common speed supported by the platform and the installed DIMMs.
Check the BIOS or UEFI memory information screen for 512 GB total capacity, 3200 MT/s data rate, ECC enabled and registered mode reported for each of the four 128 GB modules.
The kit contains four 128 GB DDR4 3200 CL22 1.2V 288-pin ECC RDIMM modules; no heat spreaders, cables, tools or additional hardware are supplied.
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