Seagate ST3300831ACE is a 3.5-inch internal hard disk drive from Seagate's DB35 Series, offering 300 GB of storage at 7,200 RPM for desktop systems. It uses a SATA 3-Gb/s interface and 512-byte sectors with 586,072,368 guaranteed sectors, as documented for the DB35 family. The drive supports PIO, Multiword DMA, and Ultra DMA data-transfer modes, aligning with typical desktop motherboard interfaces, and it comes in the standard 3.5-inch form factor suitable for backups, media libraries, and general storage expansion.
