The Bracket PCI To PCI-E 1x Riser Card Extender utilizes a PLX Technology PEX 8111 or PEX 8112 PCI to PCI Express bridge chip. It will accept standard or low profile PCI cards. As a generic PCI to PCI Express adapter it should work well with most PCI cards. This adapter allows you to use your existing PCI cards in the PCI Express slot of your mother board. It can accept one of the half height cards designed for 2U server chassis environments, such as a Firewire or Lan card. The 32bit 33MHz adapters 4 pin connector is connected directly to the power supply of your PC. The heat generated by the card is very low. The adapter has a bracket with a large gap to allow you to plug things into the card For more details on product, Please refer to http://www.papyrus.co.il/bracket_pci_to_pci-e_1x_riser.htm