M.2 NGFF to PCI-E 4X adapter can use M.2 NGFF interface conversion to ordinary PCI-E X4 interface,It also support 1x interface. Floppy 4 pin power connector available for stable power supply. The board has two fixed holes, respectively 22 x 60 mm, 22 x 80 mm, according to length of your machine inside card slot can be broken positioning. Easy installation and no driver required. Support data transmission up to 4.0GB/s. Support OS: Vista / XP / 7 / 8, Linux, . Note: Be sure to note that after break I do not support return of Secretary, So please confirm size before you break it. Colour: red Material: PCB+metal Size: adapter card: 80x22mm Package Contents: 2 * M.2 to PCIe 4X Card 2 * Power Cable 2 * Screw 2 * Screwdriver Only above package content, other products are not included. Note: Light and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.