QNAP Dual-port SAS 12G Storage Expansion Card for Rackmount Models, Low-profile Bracket TS-879U-RP, TS-EC879U-RP, TS-1279U-RP, TS-EC1279U-RP, TS-1679U-RP, TS-EC1679U-RP, TS-EC1279U-SAS-RP, TS-EC1679U-SAS-RP, TS-870U-RP, TS-1270U-RP, WB-1200U-RP, WB-1600U-RP, TS-EC880U-RP, TS-EC1280U-RP, TS-EC1680U-RP, TS-EC2480U-RP, TVS-x71U, TVS-x80U-SAS, SS-ECx79U-SAS-RP, TDS-16489U, TES-1885U, TES-3085U, TS-1685, x73, TS-x70, TS-x70 Pro