Western Digital WD Caviar Black internal HDD, model WD1002FAEX / WD1002FAEX-00Z3A0. 1TB capacity, 3.5‑inch form factor, SATA III 6 Gb/s interface. 7200 RPM spindle speed, 64 MB cache, and Advanced Format support. Typical sustained transfer rates up to ~150 MB/s. Supports SMART and NCQ. Operating temperature range 0–60 °C. Designed for high‑performance desktop workloads including gaming, multimedia, and intensive data processing.
eBay