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Seagate Barracuda ST1000DM003 1TB 3.5" Internal HDD delivers reliable, high-performance desktop storage with SATA III 6Gb/s connectivity, 7200 RPM spindle speed and 64MB cache for fast file transfers and smooth multimedia playback. Built for backups, media libraries, game libraries and bulk data storage, this internal HDD is optimized for desktop PCs, workstations and external enclosures that accept 3.5" drives. The Barracuda family combines proven durability and SMART monitoring support so you can run diagnostics and maintain data integrity. Ideal for users upgrading capacity without sacrificing performance, the Seagate 1TB internal drive offers broad motherboard and OS compatibility, easy installation with standard SATA power and data connectors, and model-identifying ST1000DM003 firmware details for support and firmware updates.
Technical specifications:Model number: ST1000DM003 / Barracuda 7200.12
Firmware: CC44 / CC47 (verify label)
Voltage / current: +5V 0.720.75 A; +12V 0.520.75 A
Typical transfer: SATA 6 Gb/s throughput (backward compatible)
Physical: Standard 3.5" mounting, screw-mount holes
Compatibility & installation:Compatible with: Any desktop PC or enclosure with a 3.5" bay, SATA data port, and SATA power connector
Installation steps: Mount in 3.5" bay, connect SATA data cable to motherboard, connect SATA power from PSU, configure in BIOS/OS if needed
Not recommended for: Primary OS drive if high responsiveness is required; use an SSD for OS/app performance