Seagate BarraCuda 8TB

The Seagate BarraCuda 8TB (ST8000DM004) is a 3.5" internal desktop hard drive designed for high-capacity storage in PCs and home servers. It’s aimed at users who need large, cost‑effective local storage for media libraries, backups and general file storage, and connects via a SATA 6 Gb/s interface.

The drive features a 256 MB cache and a maximum sustained transfer rate of up to about 190 MB/s. Its internal design uses four platters and eight heads to deliver a formatted capacity of 8,000 GB; Seagate rates the drive for an average annual workload under 55 TB. Dimensions, power and acoustic characteristics follow standard 3.5" desktop drive norms, making it suitable for everyday desktop and archival use.

Specifications

• Model: ST8000DM004 (Seagate BarraCuda 8TB)
• Form factor: 3.5 inch
• Capacity (formatted): 8000 GB (8 TB)
• Interface: SATA 6 Gbit/s (SATA III)
• Cache: 256 MB
• Maximum sustained transfer rate: ~190 MB/s (max.)
• Platters / heads: 4 platters / 8 heads
• Rated average workload: <55 TB/year
• Average latency: 6.0 ms (typical)
• Dimensions (H × W × D): 26.1 × 101.6 × 146.99 mm
• Weight (typical): 630 g
• Power‑on to ready: ~15 s (typical)