OEM equivalent part 651687-001 / 651699-001, 2-pack metal 2.5 -inch carrier for HP Gen8/Gen9 rack & tower servers; Fully compatible with 2.5 SAS/SATA SSD/HDD, support hot-swap for non-stop disk replacement; Built-in activity & fault LED indicator, matches original server diagnostic function; Optimized ventilation for heat dissipation, reinforced anti-vibration frame for stable 24/7 operation; Complete mounting screws included, plug-and-play for storage expansion and faulty drive replacement