Model MZ855-II DIMENSION: 200(W)x106(H)x320(D) mm 7.9(W)x4.2(H)x12.6(D) inch VOLUME: 6.78L WEIGHT (Kg/Pound): 2.6kg / 5.7 pound (N.W.) CPU: Socket 479 (Support Intel Pentium M and Celeron M Processor), 400/533MHz FSB) FSB 400/533 MHz CHIPSET: Intel 855GME + ICH4M MEMORY: DDR x2 266/333 Max memory size : 2GB GRAPHICS: Intel 855GME OnDie VGA Port x 1 TV OUT: Multi-TV x 1 (Composite + S-Video + Y-Pb-Pr) EXPANSION SLOT: None AGP 4X slot x 1 low profile (Max length 185mm) PCI slot x 1 low profile (Max length 185mm) AUDIO: AC97 Audio 5.1 CH Line-In (Surround-Out L/R)* x 1 Line-Out (Front-Out L/R)* x 1 Mic-In (Central/Subwoofer out)* x 1 Front Mic-In x 1 Front Earphone-Out x 1 S/PDIF: Optical-In x 1 Optical-Out x 1 Coaxial-Out x 1 CHASSIS: 3.5" HDD bay x 1 7 in 1 Card Reader x 1 Slim Type optical driver bay x 1 I/O PORTS: ATA 100 Connector x 2 None USB 2.0 port x 6, 2(Rear)/2(Front)/2(On Board) IEEE 1394 port x 3, 1(Rear)/2(Front 4pins and 6pins) Parallel Port (Printer) 25 pins D-Sub x 1 Serial Port (COM) 9-pins D-Sub x 1 PS/2 Keyboard port x 1 PS/2 Mouse port x 1 10/100/1000 LAN VGA Output Port 15-pins D-Sub x 1 CPU THERMAL: AOpen Proprietary super quite FAN (below 27dB) POWER SOLUTIONS: Two-phase voltage stabilization POWER SUPPLY: DC19V/150W Adapter and DC to ATX Module(20 Pin) INPUT VOLTAGE: AC 100~240V ENVIRONMENT: Operating Temperature : 10 ~ 35℃ Storage Temperature : -10 ~ 48℃ OPERATING HUMIDITY: Operating Humidity : 5 ~ 95%RH SUPPORTED OS: Windows XP/2000 NOTE: Super quite design (below 27dB)