Creative Labs CT4750 Sound Blaster PCI 128 Sound Card Creative 4.1 Sound Blaster SB128PCI CT4750 Please ensure that your original part number matches this exactly, or check with the manufactuer for compatiblity. Customers are responsible for compatiblity. This part is guaranteed to be fully functional, original and authentic. Creative 4.1 Sound Blaster SB128PCI CT4750