20x 3TB WD30EFRX 5400RPM SATA 3.5" NASware 3.0 HDD Hard Disk Drive
Model: WD30EFRX. Western Digital 3. 5" SATA 3TB WD30PURX Hard Drive. Capacity: 3TB. 1x 3TB Hard Drive. Interface: SATA III. All hdd hard drive ,we test before sending. Spindle Speed: 5400 RPM.