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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Brute Networks
16 GB DDR5-4800 non-ECC UDIMM for HPE servers, 1Rx8 layout, 100 % compatible with part 4M9Y0AT
This 16GB DDR5-4800 module is built for HPE servers that accept non-ECC UDIMMs. The single-rank 1Rx8 layout fits standard DDR5 slots in compatible ProLiant and Apollo platforms. It targets administrators who need a direct replacement for HPE part 4M9Y0AT without changing firmware or configuration.
DDR5 architecture moves the power-management IC onto the module, reducing motherboard VRM load during typical server workloads. The non-ECC design omits parity circuitry, which lowers idle power slightly compared with registered ECC alternatives. No active cooling is required when airflow meets the platform specification.
Third-party validation at 100% HPE compatibility means the module passes the same POST and memory-training routines as the OEM part. The lifetime warranty covers the stick for the usable life of the server, removing the need for a separate support contract on memory. No bundled software or accessories are included.
| Brand | HPE |
|---|---|
| Capacity | 16GB |
| Rank | 1Rx8 |
| Chipset | Major Brand Chipset |
Align the notch with the slot key, press straight down until both retention clips snap shut, then verify the module sits flush; the step often missed is fully seating both ends so the clips engage automatically.
No scheduled maintenance is required; if a memory error appears, replace the individual 16GB stick rather than the full set, and keep the slot contacts dust-free during any future upgrades.
The DDR5-4800 38400 MT/s data rate and single-rank 1Rx8 organisation set the throughput ceiling before thermal throttling becomes a factor in typical server airflow.
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