Features: Supports 6-port 6.0Gbps SATA III interface. Output swing control and automatic impedance calibration for SATA III PHY.. Supports asynchronous signal recovery. Supports spread spectrum clocking. Supports partial / slumber power saving mode. Automatically speed negotiation. Supports BIST and loopback mode. Supports staggered spin-up (Optional). Supports Hot-Plug. Supports asynchronous notification. Supports ATAPI drives. Supports command-based and FIS-based swit Specifications: Product Name: SATA3.0 1 to 5 Expansion Card Product controller: JMICRON JMB575 Product interface: SATA 7PIN Support systems: for WINXP/for WIN7/for WIN8/for WIN10/for WIN11 Product size: 102 * 55 * 8mm/4 * 2.2 * 0.3in Package includes: 1 x SATA Expansion Card 1 x USB-DC Power Cable Notes: This expansion card requires the motherboard or expansion card to support the PM (SATA PORT MULTIPLIER) feature in order to recognize 5 hard drives. Generally, motherboard SATA does not support this feature. If not supported, only one card can be recognized. The power supply of SATA or DC2.5 must be plugged in to power the expansion card.