Included with all computers unless otherwise specified is
USB 2.4GHz Wireless Dongle 150mbps
This will enable the computer to connect to all wireless networks. Although if you are quite far from your router you may get a weak signal
All computers have an ethernet port which can be wired directly to your router and this is a much more stable faster option.
USB Dual Band 2.4/5GHz Wireless Dongle 600mbps
5GHz is a very fast connection but does not work over large distances, through walls or floors. But is an alternative if your house has interference from other network enabled devices which work on the 2.4GHz network such as smart Tv's or Microwaves.
Internal Wireless Card
Either PCI or PCI Express depending on the configuration of your computer, this card is fitted internally with external aerials. This provides speeds of up to 300mbps at 2.4GHz. The range is further and more reliable than the included USB dongle.
Internal PCI Express Dual Band Wireless Card - this is specified in listings as an internal 300mbps card
Wireless-AC dual-band adapter allows your PC to connect to 2.4GHz for basic Internet application or 5GHz for lag-free streaming and high performance networking through dual-band wireless router.
USB Dual Band Adapter
External USB device for high gain 2.4 and 5GHz connections
If you decide that you wish to change your order to one of the other internet options then please use this code at checkout to deduct £5 'Wifi-Upgrade'