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
768 GB DDR5 ECC registered memory kit with twelve 64 GB modules at 4800 MT/s CL40 for the ThinkMate GPX-XH8-22S4-8GPU server
This 768GB kit contains twelve 64GB registered DDR5 modules built for the Thinkmate GPX-XH8-22S4-8GPU GPU-optimised server. It targets administrators who need maximum memory capacity for large-scale compute or virtualisation workloads. The ECC RDIMM design supports error correction and signal integrity in dense configurations. Each module runs at DDR5 4800 with CL40 latency.
Modules operate at 1.10V without integrated heat spreaders, relying on chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller, helping maintain stability across all twelve slots. Power draw scales with population density, so adequate case ventilation is required for sustained GPU-accelerated tasks. No active cooling components are included on the DIMMs.
This kit replaces lower-capacity DDR5 RDIMM sets or fills empty slots in the qualified Thinkmate platform to reach the full 768GB limit. The jump is worthwhile when workloads exceed current memory headroom, such as multi-GPU training, in-memory databases or dense VM hosting. It is not suited for consumer desktop boards, non-ECC platforms or systems limited to fewer than twelve DIMM slots.
| Brand | NEMIX RAM |
|---|---|
| Series | THINKMATE Server/Workstation Compatible Series Memory |
| Model | THINKMATE DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-924K12 |
| Capacity | 768GB (12 x 64GB) |
| 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 | 2Rx4 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 768GB (12X64GB) DDR5 4800MHZ PC5-38400 2Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT |
Power down, open the chassis, align each 288-pin module with the keyed slot, press firmly until both locking tabs click, then verify all 12 modules appear at 4800 MT/s in BIOS; the step often missed is seating every module evenly so the registered buffer initialises correctly.
No routine maintenance is required; ECC corrects single-bit errors on the fly, but if a module develops uncorrectable errors the system will log the fault and the individual 64GB RDIMM must be replaced.
The memory controller’s maximum supported speed of 4800 MT/s and the CL40 latency ceiling are reached before bandwidth or thermal limits, so sustained throughput caps at the rated PC5-38400 data rate.
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