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
Eight 128 GB DDR5 ECC registered DIMMs running at 4800 MT/s CL40 1.1 V for Thinkmate rackmount servers
This 1TB kit contains eight 128GB registered DDR5 modules rated at 4800 MT/s with CL40 latency. It targets IT teams upgrading ThinkMate RAX-XS4-21S4 rackmount servers that require ECC registered memory for data-integrity workloads.
Each 4Rx4 module plugs into a 288-pin DDR5 RDIMM socket on a qualified ThinkMate motherboard. The registered buffer reduces electrical load on the memory controller, freeing the CPU to address the full 1TB capacity across all populated channels.
Running at the standard DDR5 voltage of 1.10V, the modules generate modest heat without onboard spreaders, relying on server chassis airflow for cooling. Registered signalling and ECC overhead add minimal latency while maintaining signal integrity at 4800 MT/s.
| Brand | NEMIX RAM |
|---|---|
| Series | THINKMATE Server/Workstation Compatible Series Memory |
| Model | THINKMATE DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-744K8 |
| Capacity | 1TB (8 x 128GB) |
| 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 | 4Rx4 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 1TB (8X128GB) DDR5 4800MHZ PC5-38400 4Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT |
The kit runs at CL40, which is the primary timing figure that governs latency during continuous operation.
Each module operates at 1.10 V, so the 8-module kit draws proportionally low power for its density without active cooling.
The memory is validated for the ThinkMate RAX-XS4-21S4 rackmount server and requires that system to operate.
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