Dahua C800N Series 256GB M.2 2280 SATA III SSD (DHI-SSD-C800N256GB) – B&M Key (Double Notch), 6 Gb/s Interface, High-Speed 3D NAND Flash, Up to 530 MB/s Read & 450 MB/s Write, Low Power Internal Solid State Drive

Device Type: Internal Solid State Drive (SSD) – M.2 SATA
Model / SKU: Dahua DHI-SSD-C800N256G (C800N Series)
Form Factor: M.2 2280 (80.00 mm × 22.00 mm × 2.20 mm)
Interface: SATA III (6Gb/s) – Not NVMe
Capacity: 256 GB
Sequential Read: Up to 550 MB/s (series headline); official spec table for the 256GB variant lists 490 MB/s
Sequential Write: Up to 490 MB/s (official Dahua spec); some sources cite 470 MB/s
Memory Component: 3D NAND Flash
Endurance (TBW): 100 TB
MTBF: 1,500,000 hours
Power Consumption: 0.88W (max)
Operating Temperature: 0°C to +70°C
Warranty: 3-Year Limited Warranty
Key Specs: Dahua DHI-SSD-C800N256G, 256GB M.2 2280 SATA III SSD, Up to 490MB/s Read / 490MB/s Write (Official 256GB Spec), 3D NAND, 100TBW Endurance, TRIM & NCQ Support, S.M.A.R.T Monitoring, 3-Year Warranty
Usage: Internal storage upgrades for laptops/desktops with an M.2 SATA slot (not NVMe-only slots), secondary storage for surveillance/NVR caching, and budget-friendly system builds where SATA III compatibility is required.