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
1 TB DDR5 4800 ECC registered server kit in eight 128 GB modules at CL40 1.1 V for SuperMicro 211SE 31D 31A X31SEED-F
This 1 TB kit contains eight 128 GB DDR5 registered DIMMs running at 4800 MT/s with CL40 latency and 1.1 V operation. It is built for Supermicro IoT SuperServer platforms including the SYS-211SE-31D, SYS-211SE-31A and X31SEED-F. ECC and 4Rx4 organisation provide error correction and high density for memory-intensive server workloads.
The kit targets administrators upgrading compatible Supermicro systems to the full 1 TB supported by eight DIMM slots. It is not for desktop PCs, laptops or workstations that accept only unbuffered UDIMMs. Buyers who need non-ECC memory, lower voltages, different form factors or smaller capacities should look at other memory lines.
Registered signalling and on-die ECC protect data integrity in mission-critical environments. The 4Rx4 rank structure delivers the highest module density available in the DDR5 RDIMM standard. Systems that require unbuffered memory or cannot address 4Rx4 modules will not support this kit.
| Brand | NEMIX RAM |
|---|---|
| Series | SuperMicro Server/Workstation Compatible Series Memory |
| Model | SuperMicro 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 | Supermicro |
| 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 |
Each 128GB module runs at 1.10V, the standard DDR5 voltage, so the eight-module kit draws proportionally more power than smaller kits but stays within the DDR5 1.10V specification for registered DIMMs.
The server needs 288-pin DDR5 RDIMM slots, support for 4Rx4 registered ECC modules, and a qualified memory configuration that allows 1TB total capacity across eight populated slots.
The kit is validated for SuperMicro 211SE, 31D, 31A and X31SEED-F systems; the motherboard will negotiate the highest common speed, so slower installed DDR5 simply causes all channels to operate at that lower rate.
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