Features: brand new and high quality M.2 Key-M SATA3.0 expansion card adopts the latest JMB585 chip solution, high-speed transmission and stable performance. There are five Sata ports extending the PC host to the M.2 Key-M slot, and the transmission speed of each port up to 6Gbps.The M2 Key-M SATA3.0 expansion card realizes PCI-Express Gen 3x2 circuit bandwidth Comply-with M.2 Key-M standard,compatible with Sata specification revision 3.2 Transmission protocol: PCIe x2, supports up to two lanes of PCI-Express Plug and-play, no other software installation or setup required. Support PCI-Express link layer power saving mode. Specifications: Chip group: JMB585 Transmission protocol: PCI-E x2 Media interface: 5 x SATA3.0 Transmission rate: 6Gbps Operating system: Win7 / Win8 / Win8.1 / Win10 32&64bit, Linux Compatible with PCI-Express basic specification revision 3.1a Support command-based and FIS-based port -multipliers Support ahci mode and IDE programming interface Support native-command queue (NCQ) Support Sata Link power-saving mode (partial and hibernation) Support Sata plug-in detection function Support drive power control and staggered rotation Support Sata Partial / Slumber power management Material:Metal Size: approx 22 x 80mm/0.87x3.15in Package Includes: 1PC x M.2 Key-M SATA3.0 Expansion Card note: Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error 1-3cm.