1. Double-Sided Four-Disk M.2 Pcie Raid Card, Pci-E4.0x16 Full Speed Signal, Simultaneous Expansion 2. Front And Back 4-Bay Expansion At The Same Time, Compatible With 2242/2260/2280/22110 Specifications, Supports M.2m-Keynvme Protocol Ssd And Optane, And Supports M.2pcle Protocol Expansion Cards And Devices 3. Equipped With Full-Height & Half-Height Baffles To Support Installation In 2u Server Small Chassis 4. Led Soft Light Indicator, The Green Light Lights Up When The Disk Is Plugged In And Powered On, And The Green Light Flashes During Reading And Writing. 5. Pci-E 4.0 Raid 0 Mode, Read Rate Up To 14000+Mb/S Type:Adapter Card Data Transfer Speed:14000MB/s Note:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The Use Colour:Black Material:PCB Package Contents: 1 * Riser Card 1 * Chassis Screw 4 * Locking Screws 1 * Screwdriver 4 * Moving Studs 1 * Full Height Chassis Bezel 1 * Half Height Chassis Bezel Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.