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 256GB DDR5 4800 ECC registered dual-rank kit built for ThinkMate Supermicro SuperServer 611C-TN4R and 621C-TN12R platforms
This NEMIX RAM kit supplies 256GB across two 128GB DDR5 4800 registered DIMMs. It targets administrators expanding Thinkmate Supermicro SuperServer 611C-TN4R or 621C-TN12R platforms that require ECC registered memory.
The modules suit environments that mandate 4Rx4 organisation, 1.1V operation and CL40 timing on the qualified Thinkmate SuperServer models. Builders using consumer motherboards, unbuffered DIMM slots or slower DDR5 speeds should look elsewhere.
Each 128GB module implements a 4Rx4 layout that the compatible SuperServer 611C-TN4R and 621C-TN12R memory controllers expect; mismatched rank configuration will prevent the system from posting.
| Brand | NEMIX RAM |
|---|---|
| Series | THINKMATE Server/Workstation Compatible Series Memory |
| Model | THINKMATE DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-744K2 |
| Capacity | 256GB (2 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 | 256GB (2X128GB) DDR5 4800MHZ PC5-38400 4Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT |
Enter the server BIOS or UEFI and confirm the memory frequency reads 4800 MT/s with timings showing CL40; the registered ECC design also lets the OS report corrected error counts if any occur.
The kit contains two 128 GB 288-pin DDR5 RDIMMs for a total of 256 GB; no additional cables, brackets or cooling accessories are needed — just seat the modules in the compatible ThinkMate Supermicro server slots.
This 256 GB kit (2 × 128 GB) is the listed configuration validated for those SuperServer models; select it when you need the full 256 GB registered ECC capacity at 1.1 V.
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