PCI-FLEX-04- PCI 32 bit Flexible Extender. The bottom piece is 1.4"H x 4.5"W, with cables plugged in. The top piece is 1.9" H x 4.5"W. The standard cable length is 4" long, but user can specify any desired length. The cables are soldered onto the PCBs and they are not removable. However, user can request removable version with additional cost.