Matte Silver. 4000 mAh (6 cell) Lithium Ion battery pack.Battery Life (measured by MobileMark 2007) Included 6 cell battery: 2 hours, 40 minutes. Genuine Windows 7 Home Premium 32-bit, Intel Celeron processor T3000 1.8GHz, 1MB L2 Cache, 800MHz FSB, Mobile Intel GL40 Express Chipset, Intel Graphics Media Accelerator 4500M with 128MB-1340MB dynamically allocated shared graphics memory, 2GB DDR2 (max 8GB), 250GB (5400 RPM) Serial ATA hard disk drive, DVD SuperMulti drive supporting 11 formats Maximum speed and compatibility: CD-ROM (24x), CD-R (24x), CD-RW (24x), DVD-ROM (8x), DVD-R (Single Layer, (8x)), DVD-R (Double Layer, (6x)), DVD-RW (6x), DVD+R (Single Layer, (8x)), DVD+R (Double Layer, (6x)), DVD+RW (8x), DVDRAM (5x). 15.6" diagonal widescreen TruBrite TFT LCD display at 1366x768 native resolution (HD+) Native support for 720p content. Built-in stereo speakers. 10/100 Ethernet Realtek 802.11b/g wireless LAN, Modem. Ports - Video RGB (monitor) output port, Audio - Microphone input port Headphone output port Data - 3 USB v2.0 ports, RJ-45 LAN port, RJ-11 modem port. Expandability - 2 main memory slots. Both slots may be occupied. Memory Card Reader - SSecure Digital, Memory Stick, Multi Media Card [shared slot]. Microsoft Works 9. Environmental Specifications- This product is RoHS compatible, Energy Star 5.0 Qualified, EPEAT Gold Compliant