There are four available ports on this Creative Sound Blaster X-Fi sound card for device connectivity. The technological features of this Creative Sound Blaster PCI Express sound card include X-Fi crystallizer, X-Fi CMSS-3D virtual, and X-Fi CMSS-3D headphones. The Creative Sound Blaster X-Fi sound card requires either Windows XP or Windows Vista operating systems and at least a Pentium 4 processor, as well as a minimum of 600 MB of free hard disk space to be compatible with a computer.