1.This riser card uses differential pair routing to support PCI-E 3.0 4X signals.2. There is 4 fixed holes on the board, which are 22 x 32mm, 22 x 42mm, 22 x 60mm and 22 x 80mm.3. Supports M.2 of NVME protocols such as Samsung PM961, 960EVO, SM961, PM951, sm951, 600P, and Lite-T10.4. M.2 of the SATA protocol is not supported.description:material: metalColour: BlackSize: 10cm x 10cm x 10cmInterface:PCI-E 1X PCI-E 4XData transmission speed: 10000 (MB/s)Support Systems: compatible Windows/Linux/MACSupports M.2 for NVME protocols such as Samsung PM961, 960EVO, SM961, PM951, sm951, 600P, and Lite-T10. M.2 of the SATA protocol is not supported.The standard version supports 2230 2242 2260 2280 NVME M.2.Package Contents:2 X riser cardOnly 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 is +/- 1-3cm.

Note: 1. Due to the difference between different monitors, the image may not reflect the actual color of the item. We guarantee that the style is the same as shown in the images, but not the same performance in different bodies than in the model. 2. Compare the detail sizes with yours, there may be differences of 2-4 cm due to the manual measurement , thanks to all the measures in cm and ten cm in cm 1 cm = 0.39 inches Payment: 1) We accept Alipay, West Union, TT. All major credit cards are accepted through the secure payment processor ESCROW. 2 If you can not pay immediately after closing the auction, wait a few minutes and try again. Payments must be completed in 3 days. Shipment: 1) Worldwide Shipping (Except some countries and APO / FPO) DHL UPS TNT FEDEX takes 3 to 7 days, EMS takes 8 to 12 days. Postal air mail takes 2 to 8 weeks. But all depend on the country delivered.