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 ECC registered server memory kit with two 128GB modules running at 5600 MT/s and CL46 latency
This 256GB kit delivers 2 x 128GB DDR5 5600 registered ECC RDIMMs built for Supermicro platforms. IT teams select it when workloads demand maximum registered memory density in a two-module configuration.
Each module uses a 4Rx4 organisation with CL46 timing at 1.10V, providing the error-correcting registered signal integrity required by compatible Supermicro B13DET motherboards. This specification determines whether the kit will post and run stably.
Occupying only two 288-pin DDR5 slots, the kit leaves remaining channels free for future expansion while delivering 256GB total capacity. Builders who need more than two modules per channel or non-registered memory should look elsewhere.
| Brand | NEMIX RAM |
|---|---|
| Series | SuperMicro Server/Workstation Compatible Series Memory |
| Model | Supermicro DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR44800-744K2 |
| Capacity | 256GB (2 x 128GB) |
| Speed | DDR5 5600 (PC5 44800) |
| ECC | Yes |
| Buffered/Registered | Registered |
| Chipset | Major OEM Samsung, Micron, Hynix |
| Voltage | 1.10V |
| Compatible System | Supermicro |
| CAS Latency | CL46 |
| Heat Spreader | No |
| Type | 288-PIN DDR5 RDIMM |
| Rank | 4Rx4 |
| Features | DDR5 ECC Registered RDIMM Server Motherboard Compatible |
| Package Content | 256GB (2X128GB) DDR5 5600MHZ PC5-44800 4Rx4 1.1V CL46 288-PIN ECC RDIMM Registered Server Memory KIT |
The kit runs at DDR5 5600, giving a peak transfer rate of 44800 MT/s per module when the platform enables that speed.
Registered buffering adds one cycle of address latency while ECC provides single-bit error correction; CL46 sets the minimum read delay at 46 clock cycles.
Each stick uses the standard 288-pin DDR5 RDIMM form factor with no heat spreader, so it fits any server board that accepts full-height registered DIMMs.
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