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
Adds 64 GB of DDR5 ECC registered memory at 6400 MHz CL52 for Supermicro X14SBM-TF servers
This 64GB DDR5 module is built for the Supermicro X14SBM-TF server board. The single 4Rx4 registered DIMM delivers ECC protection for workloads that cannot tolerate silent data corruption. It targets administrators upgrading memory density in a supported chassis without mixing ranks.
Registered buffering and on-die ECC keep signal integrity stable during long compute runs at 6400MHz. The 1.10V operating voltage limits thermal drift when all ranks are active continuously. CL52 latency is maintained across extended passes because the module is validated under full-load stress testing before shipment.
The 288-pin RDIMM seats in the standard DDR5 slot; no heat spreader means clearance is not a concern. Builders must verify the board's qualified-vendor list for 4Rx4 population rules, as some Supermicro platforms restrict rank-per-channel counts. Mixing this stick with different rank geometries can prevent POST.
| Brand | NEMIX RAM |
|---|---|
| Series | Supermicro Compatible Series Server Memory |
| Model | DDR5 ECC RDIMM Registered Server RAM |
| Part Number | MR51200-944K1 |
| Capacity | 64GB |
| ECC | Yes |
| Buffered/Registered | Registered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.10V |
| Compatible System | Supermicro |
| CAS Latency | CL52 |
| Heat Spreader | No |
| Type | 288-PIN DDR5 RDIMM |
| Rank | 4Rx4 |
| Features | DDR5 ECC RDIMM Motherboard Compatible |
| Package Content | 64GB (1 x 64GB) DDR5 6400MHz PC5-51200 4Rx4 1.1V 288-PIN ECC RDIMM |
At 1.10V the module draws very little power, keeping heat low during all-day server workloads.
A Supermicro X14SBM-TF board with a free DDR5 RDIMM slot is required for this 64GB kit.
It will run at the speed and timing of the slowest installed DDR5 DIMM when mixed in compatible channels.
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