R21SF, R21SL 4.0

Product ID: R21SF 4.0 ; R21SL 4.0
Interface: PCIe x4 / PCIe x1
Application: Extension
Shelf time：2021-09-20
Product description: PCIe x4 extender adapter jumper for PCIe x1 Cards, Capture Card, gigabit wireless LAN, USB, Audio cards.