1TB / 2TB & 4TB Seagate External Drives. SATA to USB. Picture of Actual Part Type You will Receive.
Seagate / Maxtor USB SATA HDD PCB Board NEXPANSION ASM1153-2L 790CS3C20A0E1
Seagate Nexpansion JMS577 2.5_Rev0.1 External USB SATA PCB HDD Controller Board
Seagate Backup Plus USB SATA HDD PCB Board ASM-1153 REV: A0 790CS3543A0E2
Seagate USB SATA PCB External HDD Drive Controller Board EH2U3S 790CU3S41A1E1
Seagate Portable USB 2TB 4TB 5TB SATA PCB HDD Board E2803SGT-1803A_1A E230435
Seagate 2TB 4TB 5TB USB 3 SATA PCB HDD Controller Board E2806SGT-1806A_1A