PCIE X4 TO PCIE X4 EXTENDER R22SF , R22SL 4.0 Description Product ID: R22SF 4.0 , R22SL 4.0 Interface: PCIe x4 / PCIe x4 Application: Extension Shelf time:2021-09-20 Product description: PCIe x4 extender adapter jumper for Capture Card, RAID SSD, gigabit LAN, usb cards. Inquire Now View More Details File Download 1 (566 KB)