ITEXPERTSONSITE.CA various expertise covers an all-inclusive range of operating systems: Windows (server and desktop editions from 2000), MAC (OS9+), Sun and Linux platforms; software features: remote or VPN access, backup systems, anti-virus and security software, email and website design, scanning software, wireless networks; hardware including: IDE, SATA, SAS, SCSI drives in RAID configurations or otherwise, laptop screen and power jack replacements, RAM, CPU, power supply and motherboard replacements; brands: Lenovo, IBM, Dell, HP, Apple, Sun, Compaq, EMC, Netapps, Cisco, Acer, Asus, Epson, Okidata, Western Digital, Seagate, Hitachi, Net gear, Lexmark, Linksys, D-Link, 3Com, Nortel, Avaya etc.