With this PCI-E 1x to 2 Slot 32bit PCI riser card, you can increase the number of PCI slots without replacing your computer.
Specification & Features: It allows you to plug-in up to two (2) full-sized PCI cards Compliant with PCI Express Specification 1.0 a PCI Specification 2.2 Specification compliant Compatible with PCIE X1 X4 X8 X16 slot Provides easy connection to desktop computers
Expansion slot: two (2) full-sized PCI slots
PCI Bus: 32 bit 33MHz Supports 170mm length of PCI card Includes 1-meter expansion cable No drivers required OS Support Windows 8(32bit/64bit)/ Windows 7 (32bit/64bit) /Windows Vista (32bit/64bit) /Windows XP (32bit/64bit) /Windows Server 2003 (32bit) /Windows Server 2008 (32bit/64bit) /Windows Server 2000 /Mac OS 10.4 + /Red Hat Linux 2.6 x+ /Solaris