Central processing unit (CPU) coolers; Broadband power line communication systems for transferring broadband data over electrical power lines, comprised of computer hardware, software and modem; Central processing unit (CPU) fans; Internal cooling fans for computers; Computer operating programs and computer operating systems; Computer hard drive enclosures; Batteries and battery chargers; Computer hardware for high-speed processing and storage of data using multiple CPU's; Computer network adapters, switches, routers and hubs; optical disc drives, digital disc drives, removable hard drive based computer backup systems; flash memory card reader; Portable DVD players; network access server system, comprising of built-in DNS, mail, www, webmail, proxy, firewall, DHCP, NAT, FTP, database; embedded Linux on DOM (Disk on Module), operating system; network access server operating software, network access server hardware; hard drives, namely, solid-state drives (SSD) and drives comprised of RAM chips; computer software for playing multimedia files