DDR2 RAM and a slim dual-layer DVD writer. Detailed specifications of the desktop are given below: Chipset: AMD 690M ATSC Tuner: Built-in Networking: 10/100 Ethernet, 802.11g Card Reader: 6-in-1 Webcam: 0.3 megapixel (maximum resolution of 640x480) USB Ports: 6 USB 2.0 Operating System: Microsoft Windows 7 Professional x64 Dimensions: 19.05 x 14.12 x 2.56 inches Weight: 16.3 lbs 2009 The Lenovo C Series desktops launched in 2009 by Lenovo were the C100 and C300. C100 Announced in September 2009, the C100 was an All-in-one (AIO) desktop designed for consumer use. The 18.5 inch display was 2 inches deep, with an aspect ratio of 16:9. The desktop also included software such as Lenovo’s OneKey Antivirus and OneKey Recovery that allowed one-button system scanning and restoration. The dimensions of the desktop were 18.5 x 14.5 x 4 inches. The desktop also was made available with options for either Intel Atom 230 single core processors, or Intel Atom 330 dual core processors. In addition, the desktop also included a DVD reader/writer and four USB ports. C300 The C300 was an AIO launched in 2009 as part of Lenovo’s Essential product line. Desktop Review listed the pros of the desktop as the good 20-inch display with a resolution of 1600x900, the 3.5 inch hard disk drive, and the optional discrete graphics. The cons were listed as the keyboard, and the standard single core Intel Atom 230 1.6 GHz processor. The desktop’s dimensions were 19.05 x 14.12 x 3.28 inches. Additional specifications of the desktop are as follows: Operating system: Windows Vista Home Basic Memory: 3GB DDR2 Hard drive: 320GB Optical drive: 8X DVD+/-RW Audio: Integrated HD audio Speakers: built-in Graphics: Intel GMA 950 Wireless networking: 802.11b/g Card reader: Built-in SDHC memory card reader H Series The Lenovo H Series desktops launched by Lenovo are the H200, H210, H215, H230, H320, and H405. 2011 The Lenovo H Series desktops released in 2011 were the H215, H220, and H320. H215 The H215 offered AMD Athlon II X2 dual core processors, 2GB of DDR3 RAM, and a 320GB hard disk drive. Additional, detailed specifications for the H215 are given below: Chipset: AMD 760G Graphics: ATI Radeon HD 3000 (integrated) Optical drive: dual layer DVD reader/writer Audio: integrated HD audio Media Card reader: integrated, 16-in-1 Operating system: Microsoft Windows 7 Home Premium (32-bit) USB ports: 6 USB 2.0 H220 The specifications of the H220 desktop are as follows: