3.5inch hard drives, SATA 3 (6Gb/s), fully tested, no bad blocks Initialized / Partitioned as GPT (Windows 10 compatible) $5 - 80Gb Seagate Barracuda 7200.10 (ST380815AS) - AO $5 - 160Gb Western Digital Blue (WD1600AAJS) - AS $20 - 500Gb Western Digital Blue (WD5000AAKX) - p $20 - 500Gb Western Digital Blue (WD5000AAKX) - Q $20 - 500Gb Western Digital Blue (WD5000AAKX) - R $20 - 500Gb Western Digital Blue (WD5000AAKX) - U $20 - 500Gb Seagate Barracuda (ST500DM002) - H $20 - 500Gb Seagate Barracuda (ST500DM002) - I $20 - 500Gb Seagate Barracuda (ST500DM002) - J $20 - 500Gb Seagate Barracuda 7200.12 (ST3500413AS) - K $20 - 500Gb Seagate Barracuda 7200.11 (ST3500320AS) - S $20 - 500Gb Seagate Barracuda 7200.11 (ST3500320AS) - T $50 - 1Tb Western Digital Blue (WD10EZEX) - L $50 - 1Tb Seagate Desktop (ST1000DM003) - F $50 - 1Tb Seagate Desktop (ST1000DM003) - G $60 - 2Tb Western Digital Black (WD2002FAEX) - C