The Seagate ST3419A Hard Disk Drive is an internal storage device from Seagate Technology PLC, identified by model ST3419A with the A65 designation in the listing. It requires both 5V and 12V power to operate, a power arrangement consistent with older internal desktop hard drives that connect to standard PSU rails. As part of Seagate’s ST-series lineage, this drive is intended for use as non-volatile magnetic storage inside computers or equipment that rely on internal hard-disk storage.
