Used Synology HAT5300-12T 12TB enterprise hard drive, exact Synology P/N 17-110012T00, based on the Toshiba MG07ACA12TE platform with Toshiba P/N HDEPW11J4A51 and firmware 1401. This 3.5-inch enterprise HDD provides 12TB of storage capacity, 7,200 RPM spindle speed, SATA 6Gb/s connectivity, 256MB cache, and 512e sector formatting. The HAT5300 enterprise series was developed and validated by Synology for demanding NAS and enterprise storage environments, with firmware designed for integration with supported Synology systems. Synology rates the series for continuous 24/7 operation and workloads up to 550TB per year.

This drive is used and tested working with no errors reported and was removed from a working environment. It may show normal cosmetic signs from prior installation, removal, handling, or storage. The exact HAT5300-12T / 17-110012T00 / MG07ACA12TE identifiers are particularly important for buyers replacing drives in compatible Synology NAS or enterprise storage systems, so please compare the label and model information carefully before ordering. Buyer receives one bare 12TB hard drive per purchase. No Synology drive tray, caddy, SATA cable, mounting screws, NAS enclosure, or other accessories are included unless specifically pictured.