HP Wireless 802.11 b/g/n PCIe CardWireless 802.11 b/g/n PCIe Card. Connectivity technology: Wireless, Host interface: PCI-E, Connector(s): PCIExpress x1. Data transfer rate (max): 135 Mbit/s. Width: 85 mm, Depth: 120 mm, Weight: 40 g. Security algorithms supported: WPA2. Dimensions (WxDxH): 85 x 120 mm, Size: 83.8 mm (3.3 ")