Seagate 9CA154-332 3.5 Inch Internal Hard Drive

Seagate Barracuda ES.2 3.5-inch internal hard drive, model ST3500320NS, offering 500 GB of storage, 7200 RPM speed, and 32 MB of cache for desktop and entry‑server workloads. It uses a SATA 3 Gb/s interface and delivers an internal transfer rate up to 1287 Mb/s with a sustained SATA transfer rate around 105 MB/s, making it suitable for reliable mainstream performance. Dimensions are 26.11 mm tall (1.02 in) by 101.6 mm wide (4.00 in) by 146.99 mm deep (5.78 in), with a weight of about 0.543 kg, and it targets a MTBF of 1.2 million hours with an AFR of roughly 0.73% in 24x7 operation. Typical active power draws are 10.6 W during read/write and 11.6 W at spin-up, with idle power around 8.0–9.0 W. The drive is backed by a 5-year limited warranty and is cataloged under part numbers such as 9CA154-332 and 260-01649-001.