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
256GB DDR5 4800MHz CL40 ECC registered server memory kit with sixteen 16GB 1Rx8 modules at 1.1V for Thinkmate RAX-QE12
This NEMIX RAM kit delivers 256GB of DDR5 ECC registered memory across sixteen 16GB modules. It is built for Thinkmate RAX-QE12 rackmount servers that require registered DIMMs with error correction. The CL40 latency and 4800MHz speed match the platform's native specification. IT teams use it to maximise capacity in mission-critical workloads.
Each 288-pin RDIMM operates at 1.1V and uses a 1Rx8 organisation with major OEM chips from Samsung, Micron or Hynix. The registered buffer reduces electrical load on the server memory controller, allowing all sixteen slots to be populated simultaneously. No heat spreaders are fitted, so airflow must follow the chassis design. Compatibility is validated for the target Thinkmate system.
The kit replaces lower-capacity DDR5 RDIMM sets or fills empty slots to reach the 256GB maximum. The jump is worth it when virtualisation, database or compute workloads exceed the current memory ceiling. It does not suit workstations or desktops that require unbuffered non-ECC modules. Buyers needing mixed-rank configurations or different voltages should verify platform support before ordering.
| Brand | NEMIX RAM |
|---|---|
| Series | THINKMATE Server/Workstation Compatible Series Memory |
| Model | THINKMATE DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-618K16 |
| Capacity | 256GB (16 x 16GB) |
| Speed | DDR5 4800 (PC5 38400) |
| ECC | Yes |
| Buffered/Registered | Registered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.10V |
| Compatible System | THINKMATE |
| CAS Latency | CL40 |
| Heat Spreader | No |
| Type | 288-Pin DDR5 RDIMM |
| Rank | 1Rx8 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 256GB (16X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory |
The modules run at 1.10 V, the standard DDR5 voltage, so power draw remains consistent under continuous load.
These RDIMMs have no heat spreader; they rely on system airflow, and registered buffering adds minimal extra heat per module.
The kit is validated for the Thinkmate RAX-QE12 rackmount server; consult the system manual for any required firmware version.
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