
All I did prior to this happening was restarting my PC as I do every day. But all of a sudden, my Seagate external hard drive says it needs to be formatted. I have a Seagate 3TB external hard drive to store personal data in Windows computer. How to fix "my external hard drive says it needs to be formatted " in Windows 11/10/8/7?.Why does my external hard drive says needs to be formatted?.The original PDF document is also available for download. This information was up to date as of July 2012.
Z SATA 6 Gb/s with 22-pin SATA connector. X SATA 3 Gb/s, 6 Gb/s capable with 22-pin SATA connector.
T SATA 3 Gb/s with 22-pin SATA connector (Mobile). S SATA 3 Gb/s with 22-pin SATA connector / SATA 1.5 Gb/s with 22-pin SATA connector (Mobile). D SATA 1.5 Gb/s with 22-pin SATA connector. C ATA with 33-pin connector (zero insertion force-ZIF). Y 7200 RPM/EM (maximum buffer size offered by product). T 10,000 RPM/EM (maximum buffer size offered by product). P IntelliPower™/EM (maximum buffer size offered by product). Z Desktop Advanced Format/WD Blue WD Black WD Green WD Caviar. Y Enterprise/WD RE drive families (4-platter). W Enterprise Advanced Format/WD VelociRaptor. R Enterprise Advanced Format/WD RE drive families. P Mobile Advanced Format/WD Blue WD Green WD Black WD Scorpio.
E Mobile/WD Blue WD Green WD Black WD Scorpio®. B Enterprise/WD RE drive families (3-platter). A Desktop/WD Blue™ WD Green™ WD Black WD Caviar®. H GB/2.5- to 3.5-inch backplane adapter. D TB/2.5- to 3.5-inch backplane adapter. This digit does not translate to additional capacity/LBAs. These drives also use the last digit of the capacity number as a product code (e.g., WD2003FYYS). For 1 TB and larger WD Black™ and enterprise drives, the decimal follows the first digit (e.g., WD1000FYPS is a 1 TB capacity drive). Two, three, or four digits, supports up to 999.9. The base model number is composed of six codes: This is an extract from WD’s own “Model Number Format for OEM and Distribution Channels” document – describing what each letter/number of a WD hard drive model number refers to.