Product Related SATAIII 6Gbps 4-Port Expansion Card PCI-E 1X to SATA3.0 IPFS Hard B7T4 Enlarged heat sink provides better heat dissipation effect. The rear 4-port design fits the size of the chassis and is universal for large and small chassis. The tail is flush-edge design, the probability of blocking the Image card fan is smaller. The four-layer circuit board, with an isolation layer in the middle, has stronger anti-interference ability. Adopt for Marvell 9215 main control, support 99% operating system. Strong compatibility and stable colour: Random Color (don't accept the specified color.) Material:metal Size:12x6.5x5.6CM Different batches of products are slightly different, which will affect the use Package Contents: 1 ATAIII 6Gbps 4-Port Expansion Card PCI-E 1X to SATA3.0 IPFS Hard B7T4 4 * Sata Cable