1. This Product Uses Super Pcle3.0 Total Bandwidth And Faster Data Transmission Speed, Bringing Users And Players Faster Speed, Lower Performance, And High Stability Storage Devices. 2. Pci-E3.0 Total Bandwidth, Using Pci-E3.0 Bandwidth, The Data Transmission Speed Is Much Faster Than Pci-E2.0 3. Equipped With 2 Standard Interfaces, Users Only Need To Insert This Card Into The M.2 Slot Of The Motherboard, And Then Connect Two Ssd Solid-State Drives Or Mechanical Hard Drives With Interfaces Through The Data Cable At The Same Time. 4. This Product Has An M.2 (A+E Is Available) Interface 5. Widely Used In Pc Computers, Servers, Industrial Computers, Consumer Electronics Equipment, Storage Equipment, Nvr/Dvr Systems Product Name: M.2(A+) To 2-Port Expansion Card Transmission Interface: Ngff(M.2)2230 Key A/E System: /Linux Note: Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Not Affect The Use Colour:As Shown Material:PCB Package Contents: 2 x Expansion Card 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.