4-Port SATA III 6Gbps PCI Express Controller Card with Heat Sink — PCI‑e to SATA III Expansion Adapter Board for PC

Turn a PCI‑Express slot into four additional SATA III ports with this PCI‑e to SATA III controller/adapter board for desktop PCs. Features 4 ports supporting SATA 6Gbps transfer rates and includes an onboard heat sink to aid thermal performance. Simple expansion solution to add more SATA connections to your PC; SATA III (6Gbps) is backward compatible with SATA II and SATA I drives.