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
Dell-compatible 8 GB DDR4-2666 ECC SO-DIMM with 1Rx8 layout and 1.2 V operation for server upgrades
This 8 GB DDR4-2666 ECC SO-DIMM is built for Dell servers and workstations that require the AA297491 part number. It runs at 1.20 V with a 1Rx8 organisation and uses major-brand DRAM chips. The 260-pin form factor fits standard DDR4 SO-DIMM slots in compatible Dell platforms.
IT teams maintaining Dell PowerEdge or Precision units that specify PC4-21300 1Rx8 modules will find this a direct replacement. Buyers whose platforms demand registered DIMMs, higher capacities per slot, or non-ECC memory should look elsewhere because this module is unbuffered ECC SO-DIMM only.
Validation against the exact Dell part number AA297491 confirms electrical and mechanical compatibility with the target server firmware. Without that part-number alignment the module may not be recognised or could cause boot failures in locked-down Dell BIOS environments.
| Brand | Dell |
|---|---|
| Capacity | 8GB |
| Type | 260-Pin DDR4 SO-DIMM |
| Speed | DDR4 2666 (PC4 21300) |
| Voltage | 1.20V |
| ECC | Yes |
| Rank | 1Rx8 |
| Chipset | Major Brand Chipset |
The module uses major-brand chips (Samsung, SK Hynix or Micron) and is 100 % tested for Dell compatibility; no firmware updates are required and the lifetime warranty covers replacement if a defect appears.
The single-rank 1Rx8 design at 1.2 V keeps electrical load low, so voltage droop and thermal throttling are unlikely; the practical limit is the 8 GB capacity per slot.
DDR4 SO-DIMMs have no moving parts, so they add zero noise; power draw stays at the rated 1.2 V and heat output is minimal inside normal server airflow.
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