Pair of two WD Green 5TB 3.5" SATA 6Gb/s hard drives (model WD50EZRX-00MVLB1, 64MB cache, 5700 RPM). Both tested with CrystalDiskInfo: Health Status GOOD, zero reallocated sectors, zero pending sectors on both drives. Serials: WD-WX21D1526TYJ and WD-WX31D55A4RNY. Power-on hours are high (~76,500 and ~59,700) — these are well-used drives, priced to move for a quick sale. SMART screenshots are in the photos so you can verify health yourself. Bare drives only — no cables, caddies, or boxes. Ships packed in anti-static bags with padding.