Ambir ImageScan Pro 490ix (DS490IX-AS) Duplex 600 dpi USB color Document scanner Scanning Speed: Business card: 3 seconds per card in grayscale mode at 300 dpi 8.5 x 11 page: 10 seconds per two-sided page in black and white mode at 200 dpi Max. Document Size: 8.5 x 36 USB Ports: USB 2.0 hardware compatible with USB 1.1 (USB 1.1 speed performance) Operating Systems Supported: Windows 10, 8, Windows 7, Vista (32 / 64), XP (32 / 64) Dimensions: 1.70 x 12.40 x 2.00 Weight: 0.79 lb.