Reliable Plug and Play: The USB receiver provides a reliable wireless connection up to 33 ft (1), so you can forget about drop-outs and delays and you can take it wherever you use your computer. Type in Comfort: The design of this keyboard creates a comfortable typing experience thanks to the low-profile, quiet keys and standard layout with full-size F-keys, number pad, and arrow keys.

Series Optiplex RAM Memory Installed Size 4 GB Operating System Windows 7 Professional CPU Model Intel Core2 Duo Brand Dell CPU Manufacturer Intel Screen Size 17 Inches Human Interface Input Mouse, Keyboard Hard Disk Description HDD, SSD RAM Memory Maximum Size 4 GB

Series Optiplex RAM Memory Installed Size 4 GB Operating System Windows CPU Model Core i5 3470 Brand Dell CPU Manufacturer Intel Screen Size 19 Inches Human Interface Input Microphone, Mouse, Keyboard Graphics Coprocessor Intel HD Graphics 2500 Hard Disk Description HDD