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 64 GB DDR5 4800 CL40 registered ECC modules provide 512 GB for SuperMicro X13SEW-TF and X13SEW-F servers
This NEMIX RAM kit provides 512 GB of DDR5 4800 memory across eight 64 GB registered DIMMs. It is built for SuperMicro X13SEW-TF and X13SEW-F motherboards in enterprise server and workstation deployments. The modules operate at 1.1 V with CL40 latency and include on-die ECC for data integrity.
The DDR5 4800 interface delivers 38400 MT/s throughput while the registered buffer reduces electrical load on the memory controller. CL40 timing and 2Rx4 organisation set the access latency and maximum rank density per channel. ECC correction adds overhead that slightly reduces usable bandwidth compared to non-ECC equivalents.
Each 288-pin module seats vertically in the motherboard DDR5 RDIMM sockets without cables or brackets. Alignment notches prevent backward insertion, and the registered design requires the platform to support registered memory. Common issues include mixing registered with unbuffered DIMMs or populating slots in an order the firmware does not recognise.
| Brand | NEMIX RAM |
|---|---|
| Series | SuperMicro Server/Workstation Compatible Series Memory |
| Model | SuperMicro DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-924K8 |
| Capacity | 512GB (8 x 64GB) |
| 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 | 2Rx4 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 512GB (8X64GB) DDR5 4800MHZ PC5-38400 2Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT |
The kit provides 512 GB total across eight 64 GB modules, filling all channels on the X13SEW-TF for maximum bandwidth and capacity.
The DDR5 4800 modules run at PC5-38400 speed with CL40 latency, giving the platform its rated peak throughput for registered ECC workloads.
The 288-pin DDR5 RDIMM form factor matches the X13SEW-TF and X13SEW-F slots, so the 4800 MT/s rating is not capped by the connector.
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