Lian Li EX-20. Controller type: Silicon Image SiI5744. Size: 88.9 mm (3.5 "), Hard drive interface: Serial ATA. Compatible operating systems: Windows XP, 2003 Server, Windows Vista MaxOS X 10.4.8+, Minimum processor: Intel Pentium III 500 MHz, Minimum RAM: 64 MB. Colour of product: Black. Width: 175 mm, Depth: 260 mm, Height: 90 mm