A brand new Ultra ATA/100 controller card from Promise Technology, Inc. This unit type comes with 4 ports and is compatible with PCI slots. The external interfaces include ATA cards, UDMA/EIDE/ATAPI. The model is Ultra100 TX2 and it is sealed in a box. This controller card is perfect for those looking to enhance the capacity of their PC systems. Compatible with Dos.5x Windows 3.1x Windows 95/98/ME NT/2000 Red Hat Linus 6.2/7.0 NetWare3.12/4.1x/5. With its fast transfer rates and reliable performance, it is sure to provide a seamless computing experience. If you have an older system get your your hands on this brand new unit now!. This is a vintage card NOT THE LATEST TECHNOLOGY