New-open-box. Comes with rails and all original accessories in the original Supermicro box.

Key Features

1. 1U rackmount chassis, support for motherboard size: 12" x 13" E-ATX, optimized for UIO motherboard
2. 8 x 2.5" hot-swap SAS/SATA drive bay
3. SAS or enterprise SATA HDD only recommended
4. 8-port 1U TQ (W/ AMI 9072) backplane, support up to 8x 2.5-inch SAS/SATA HDD/SSD
5. 1U 700/750W hot-swap redundant power supply.
6. 2 full height expansion slot(s) (Riser Card Required), 1 low-profile expansion slot(s) (Riser Card Required)
7. 4 x 40x56mm counter-rotation PWM fan(s)
8. Optional 2 x fan for PCI card cooling