- Eight drive bays.
- USB 3.0.
The Qnap TS-879 Pro spans 217.5mm (H) x 327mm (W) x 321.2mm (D) (8.56" x 12.87" x 12.64") and weighs 8.39kg (18.49lbs) empty. With the lid removed, you'll see an FSP Group FSP350-710UJ 350w power supply and one PCI Express x8 slot for the 10GbE network card. There are two large blue PCBs in the TS-879 Pro: the motherboard and the hot-swappable SATA module, which has eight ports.