1. This product is a PCI-E to M.2 hard drive NVME adapter card. The adapter card uses differential line alignment to support PCI-E 3.0 1X . Compatible with all systems, LINUX and systems 2. Support PM961, 960EVO, SM961, PM951, sm951, 600P, LITE-ON T10 NVME protocol M.2, does not support SATA protocol M.2, standard version supports NVME M.2 2230, 2242, 2260, 2280. 3. M.2 NGFF to PCI-E 14 transfer card, using this adapter can convert ordinary PCI-E 1X interface to M.2 NGFF interface. 4. There are 4 fixing holes on the board, which are 22 * 32 mm, 22 * 42 mm, 22 * 60 mm and 22 * 80 mm. Due to manual measurement, please allow slightly different sizes, and also due to different displays and lighting, the picture may not show the actual color of the item. 5. If you have anything you don’t know about or dissatisfied with this product after purchasing this product, please us immediately and we will do our best to answer your questions. Specification:
Material: PCB
Color: Black
Name: PCI-E to M.2 expansion card
Interface: PCI, PCI Express
Size: approx. 12 * 9.2* 1.8cm/4.7 * 3.6 * 0.7in
Package Weight: Approx. 69g / 2.4oz
Support System: compatible with all systems, LINUX

Package list:
1 * M.2 to PCI-E3.0 X1 Expansion Card
1 * Screw Pack

Note:
1. M.2 NGFF to PCI-E 14 expansion  card. Using this adapter, ordinary PCI-E 1X interface can be converted to M.2 NGFF interface.
2. There are four fixed holes on the board, 22*32 mm, 22*42 mm, 22*60 mm and 22*80 mm, respectively.
3. Supports for PM961, 960 EVO, SM961, PM951, sm951, 600P, LITE-ON T10 NVME protocol M.2. does not support SATA protocol M.2.
4. Standard version supports NVME M.2 of 2230 2242 2260 2280