Equipped with high-performance JMB585 main control chip, stably drives up to 5 independent SATA 3.0 devices simultaneously; PCIe 3.0 x4 high-speed bandwidth, each SATA port reaches full 6Gbps SATA III transmission speed without speed limitation; Built-in thick aluminum heat sink for efficient heat dissipation, supports 24-hour uninterrupted multi-drive heavy workloads; Standard full-height PCI metal bracket, easy to install inside PC cases, reserved screw holes for fixed mounting; Driver-free plug & play, each SATA port with working LED indicator to monitor disk real-time status