PCIE X4 TO PCIE X8 EXTENDER R28SF R28SL 4.0 Description Product ID: R28SF 4.0 , R28SL 4.0 Interface: PCIe x4 / PCIe x8 Application: Extension Shelf time:2021-09-20 Product description: PCIe x4 to x8 extender adapter jumper for Capture Card, RAID SSD, gigabit LAN, usb cards. Inquire Now View More Details File Download 1 (449 KB)