1. MSATA and Mini PCIE slots have the same appearance. Before taking a photo, please confirm whether your motherboard has a MINI PCIE slot (usually for a wireless network card). This product is only suitable for Mini PCIE interface applications, other interfaces are ! (The above is only for MINI PCIE to USB products)2. M2 to USB only supports the M2 slot with Bluetooth interface, usually the KEYA interface. The CNIV interface of KEYE cannot be used, and KEYM and KEYB cannot be used. (The above is only for M.2 to USB series products)3. This product is a desktop PCIE expansion card, which requires a free M2 WIFI KEY AE slot on the motherboard before it can be installed and used.4. Suitable for motherboards or with M2 WIFI KEY AE interface5. There are several kinds of MINIPCIE fixing screws that come with computers. The size of the screws that come with each model is different. Since the seller doesn't know what size screws your computer uses, only the most commonly used size screws are used.Product model: M.2(KEY AE) to dual port USB2.0Product interface: 5PIN1.0mm, equipped with 2 USB cables, 25cm longProduct interface: M.2(A KEY)2230Product rate: 480MbpsProduct master: GL850Supported system: WinXP2003VISTA20087810113264BITLinuxPrecautions:The M.2 standard network card of the notebook contains USB2.0 signal and 3.3V power supply. This product leads the USB signal to the USB HUB chip and boosts the 3.3V to 5V1A voltage to supply the USB device. Take a look at the working principle above. Since the USB signal is output from the computer, some computer screens may corrupt this signal or have no signal output at all, which will cause the card to be unusable. This is not a card problem. This card cannot be used if the internal USB bridgeis damaged.Only suitable for M.2 with Bluetooth network card (KEYA) interface, CNIV interface cannot be used.Hardware requirements:This product is an M2 WIFI KEY AE expansion card. It requires a free M2 WIFI KEY A or E slot on the motherboard before it can be installed and used. The other M2 WIFI KEY AE CNIV slot cannot be installed and used. Do not insert it. to the M2 SSD slot.Specification: B USB cable with earsMaterial: ABS+Plasticcolour: As shownPackage Contents:1 Set x Expansion Cards (Including Data Cable)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 + 13cm.