Compatibility: Compatible with old types of Antec PSUs(only the old types with one red port) such as Neo ECO 520 & 620, TPQ-850 & 1000 & 1200, Signature series SG-650 & 850, Ture Power series TP-550 & 650 & 750, CP-850 & 1000, VP650PM, HCP-1200(old type semi-modular);( NOTE: It does not work with new types of Antec PSUs having two red ports.) | Compatibility: Compatible with Seasonic PSUs such as 1050XM2-1250XM2, M12II-850 750 620 520 EVO, Platinum 400 460 520 Fanless, Platinum XP2 660-760-860-1050-1200XP3, Snow Silent 1050W 750W, X650, X750, X760, X850, X1250-X1050, KMX series, SSR-450RM(G-450),550RM(G-550),650RM(G-650), SSR-1000PD/SSR-1200PD, SGX-500; | 6P - 15P SATA: 6-pin port to plug into Seasonic/Antec PSU, 15 Pin SATA port to plug into the hard drive, riser card, or other devices with SATA port; | Parameter: Gauge: 1007-18AWG(standard tin-coating copper wire), Length(including connectors): main 20inches(50cm)+secondary 6inches(15cm)+thridary 6inches(15cm) ,Between 2 SATA: 6 inches(15cm), Quantity: 1pcs | Note: The cable was only designed for the brand and model as listed in the 1st and 2nd Points. Using the cable with unsupported PSUs will definitely damage the PSUs, hard drives, or other devices. Please do not use any makes or models not listed in our compatibility list. Please carefully check the compatible types before purchasing and contact us if you are not sure if it supports your power supply;