MATERIALS Our cable is made with 8 copper wires good contact performance for data transmission and environment friendly.HIGH SPEED SATA revision 3.0 aka SATA III dual channel with separate shielding support 6Gbps uploading or downloading.COMPATIBLE The cable is designed to connect motherboards and host controllers to internal Serial ATA hard drives and DVD drives quickly upgrading your computer for expanded storage. Backwards compatible with SATA revision 1 and 2 aka SATA I and SATA IISTRAIGHT RIGHT ANGLE Package includes both straight and right angle cable to meet your different demand. 90degree design can make for better cable management in some situations especially in tight spaces.PACKAGE INCLUDES 1 X SATA 15 Pin Angle Power Splitter Cable 1 X SATA 15 Pin Straight Power Splitter Cable 1 X SATA 15 Pin Angle Extend Splitter Cable 1 X SATA 15 Pin Straight Extend Splitter Cable 1 X Straight SATA 3.0 Cable 1 X Angle SATA 3.0 Cable