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
A 128 GB DDR4 3200 ECC registered DIMM with CL22 latency and 1.2 V operation for ThinkMate GPU-optimised servers
This NEMIX RAM module adds 128GB of DDR4 ECC registered memory to compatible Thinkmate GPU-optimized servers. It operates at 3200MHz with a CL22 latency and 1.2V voltage. The single 288-pin RDIMM uses a 4Rx4 organisation built from major OEM DRAM chips. It targets IT professionals expanding capacity in mission-critical environments.
Registered buffering reduces electrical load on the server memory controller, allowing stable operation with high-density modules. ECC circuitry detects and corrects single-bit errors to protect data integrity under sustained workloads. The module ships without a heat spreader, relying on chassis airflow for cooling. Installation follows standard RDIMM procedures documented in the system manual.
This 128GB stick replaces lower-capacity RDIMMs to increase total system memory without occupying additional slots. The jump is worthwhile when virtualisation, GPU compute or large datasets exceed current RAM limits. Buyers needing non-ECC memory, desktop DIMM form factors or speeds beyond DDR4 3200 should look elsewhere.
| Brand | NEMIX RAM |
|---|---|
| Series | THINKMATE Server/Workstation Compatible Series Memory |
| Model | THINKMATE DDR4 3200MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR25600-744K1 |
| Capacity | 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 | 128GB (1X128GB) DDR4 3200MHZ PC4-25600 4Rx4 1.2V CL22 288-PIN ECC RDIMM Registered Server Memory |
The module runs at DDR4 3200 with a PC4-25600 rating, so peak bandwidth is capped at 25 600 MB/s on any compatible ThinkMate platform.
It fits a standard 288-pin DDR4 RDIMM socket; the 4Rx4 layout uses the same height as other registered modules, so no extra clearance is needed.
Power down, open the chassis, align the notch on the 288-pin edge connector, press firmly until both latches click, then verify 1.20 V operation in BIOS.
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