Dell 1.2TB SAS 12 Gb/s 2.5 inches 10000RPM HDD

Storage Capacity: 1.2 TB (1200 GB)
Form Factor: 2.5″ Small Form Factor (SFF)
Interface: SAS‑3 12 Gb/s
Rotational Speed: 10 000 RPM
Cache: Typically 128 MB (enterprise SAS drives in this class)
Sector Format: 512n (standard 512‑byte sectors)
Hot‑Swap Support: Yes (designed for hot‑plug bays)
Form Factor Height: Standard 2.5″ server drive height & tray mount
Typical Data Transfer Rate: Up to ~~12 Gb/s external SAS speed