PLUSTEK SCANNER OPTICFILM 8200i AI [8200i] "Image Sensor: CCD, Light Source: LED, Hardware Resolution: 7200 dpi Scan Modes:, - Color: 48-bit input, 24/48-bit output, - Grayscale: 16-bit input, 8/16-bit output - B/W: 1-bit, Dynamic Range: 3.6, Infrared: Built-in, Scanning Speed:, - 3600 dpi: Approx. 36 sec (Multi-Sampling ON), - 7200 dpi: Approx. 113 sec (Multi-Sampling ON), Scanning Area (W x L): 36.8 mm x 25.4 mm (1.45"" x 1""), Preview Speed:, - Negative Film: Approx. 8 sec (Multi-Sampling ON), - Positive Film: Approx. 8 sec (Multi-Sampling ON), IT8 Target: Included for color accuracy, Action Button: IntelliScan, QuickScan, Power Supply: 15 Vdc / 1.0 A, Interface: USB 2.0, Net Weight: 1.6 Kgs (3.5 Lbs), Dimensions (W x D x H): 120 x 272 x 119 mm (4.73” x 10.7” x 4.7”), Operating System:, Windows XP / Vista / 7 / 8, Intel-based Mac OS X 10.5 / 10.6 / 10.7 /10.8 Hardware Requirements: Windows PC, 2 GHz Processor or faster, 2 GB RAM main memory (4 GB RAM recommended), 10 GB free space on hard disk drive, CD/ DVD drive or internet connection Mac, 2 GHz Processor or faster (INTEL based  [8200i]processor, NO PowerPC), 2 GB RAM main memory (4 GB RAM recommended), 10 GB free space on hard disk drive, DVD drive or internet connection"