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
32 GB DDR5-4800 ECC registered DIMM, CL40 at 1.1 V, validated for SuperMicro X13SEI-F and X13SEI-TF motherboards
This 32GB DDR5 4800 CL40 ECC RDIMM is built for SuperMicro X13SEI-F and X13SEI-TF motherboards. It delivers registered error-correcting memory for workloads that demand data integrity. The module runs at 1.1V with a 1Rx4 rank configuration using major OEM chips. It targets administrators who need validated compatibility for these specific platforms.
When a system ships with lower-capacity sticks or slower speeds this kit raises the ceiling to 32GB per slot at PC5-38400. The jump is worth it when virtualisation density or database buffering hits the current limit. It is not for boards that only accept unbuffered UDIMMs or that require a different pin count or voltage.
The registered design offloads electrical load from the memory controller allowing larger total capacities across populated channels. No heat spreader is fitted so airflow in dense server chassis remains unimpeded. It frees up DIMM slots for future expansion while keeping the memory subsystem stable under sustained load.
| Brand | NEMIX RAM |
|---|---|
| Series | SuperMicro Server/Workstation Compatible Series Memory |
| Model | SuperMicro DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-314K1 |
| Capacity | 32GB |
| Speed | DDR5 4800 (PC5 38400) |
| ECC | Yes |
| Buffered/Registered | Registered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.10V |
| Compatible System | Supermicro |
| CAS Latency | CL40 |
| Heat Spreader | No |
| Type | 288-Pin DDR5 RDIMM |
| Rank | 1Rx4 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 32GB (1X32GB) DDR5 4800MHZ PC5-38400 1Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory |
Yes, the module is a 288-pin DDR5 RDIMM built for the SuperMicro X13SEI-F and X13SEI-TF motherboards.
Align the notch with the slot key, press straight down until both retention clips click, then verify in BIOS that the 32 GB DDR5 4800 CL40 module appears at 1.10 V.
Replace the module if ECC logs show rising correctable error counts, if the system fails memory diagnostics, or if the registered DIMM no longer trains at the rated 4800 MT/s speed.
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