PCI- Riser 3.0 4X to U.2 SFF-8639 Expansion Card for Desktop
1x -E 4X U.2 SFF-8639 Expansion Card. Interface: -E 4X U.2 SFF-8639. We'd like to settle any problem in a friendly manner. It's just take you 1 minute. There are -E//SAS signals. Support system: for WIN7/WIN8 WIN10 32/64BIT//linux.