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
64GB DDR5 4800 ECC RDIMM module with CL40 latency and 1.1V operation for Supermicro server and workstation platforms
This single 64 GB module delivers DDR5 4800 speed with CL40 latency and registered ECC operation at 1.1 V. It is built for the SuperMicro SuperWorkstation SYS-551A-T and compatible X13SWA-TF platforms.
Replacing smaller unbuffered sticks adds 64 GB of registered capacity in one slot while keeping the 4800 MT/s data rate. The jump is worthwhile when workloads demand ECC protection and higher density per DIMM.
The 288-pin RDIMM installs directly into supported SuperMicro motherboards without extra cooling hardware. It frees remaining DIMM slots for future expansion while providing registered signal integrity for stable operation.
| Brand | NEMIX RAM |
|---|---|
| Series | SuperMicro Server/Workstation Compatible Series Memory |
| Model | SuperMicro DDR5 4800MHZ ECC RDIMM Registered Server Memory |
| Part Number | MR38400-924K1 |
| Capacity | 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 | 64GB (1X64GB) DDR5 4800MHZ PC5-38400 2Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory |
Yes, the 288-pin DDR5 RDIMM form factor matches the DDR5 slots on the SuperMicro SuperWorkstation SYS-551A-T.
Align the notch on the module with the slot key, press straight down until both retention clips click, then verify in BIOS that the 64 GB DDR5 4800 module appears at 1.1 V.
DDR5 RDIMMs have no scheduled replacement interval; replace only if memory diagnostics report uncorrectable ECC errors or the module fails to train at 4800 MT/s.
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