8#busching 咁請問這個能否啱我部古老 desktop dell xps 400 用? http://www.newegg.com/Product/Product.aspx?Item=N82E16815166026
FeaturesFully compliant with PCI Express Base Specification Revision 2.0
Single-lane (x1) PCI Express throughput rates up to 5 Gbps
Compliant with Universal Serial Bus 3.0 specification Revision 1.0
Supports simultaneous operation of multiple USB 3.0, USB 2.0 and USB 1.1 devices
Supports the following speed data rates as follows:
Low-speed (1.5Mbps) / Full-speed (12Mbps) / High-speed (480Mbps) / Super-speed (5Gbps)
Supports 2 downstream ports for all speeds
Built-in 4-pin power connector for receiving extra power supply from system
Hot-swapping feature allows you to connect/disconnect devices without powering down the system 如裝了後會否只得 usb 2.0 速度 ? 真的不懂電腦,麻煩幫忙看看。