Technical specifications (500gb - 4tb lot)
form factor: 3.5-inch desktop hdd.
interface: sata 6 gb/s
rotational speed: generally 7200 rpm for desktop/gaming, though some storage-optimized drives may be 5400 rpm or 5900 rpm.
cache/buffer size: typically 16mb, 32mb, 64mb, or up to 256mb in newer 4tb drives.
capacity: options include 500gb, 1tb, 2tb, 3tb, and 4tb.
dimensions: approximately 101.6mm x 147mm x 26.1mm.
reliability: mtbf (mean time between failures) typically ranges from 600,000 to 1,000,000+ hours.
performance & power
sustained transfer rate: roughly 150 mb/s to over 210 mb/s.
average seek time: 9.5ms - 12ms.
operating power: 4.5w - 7.5w depending on capacity and rpm.
typical use cases
500gb-1tb: general computing, operating system drives, desktop workstations.
2tb-4tb: data storage, gaming, nas, cctv/surveillance systems.