NOTE: we will send the default size of 2280, since our 2280 size can break to 2260 and 2242, it is flexible to meet all your needs.SpecificationsSolid state Disk introduce: physical dimension: 22x42mm、22X60mm、22x80mm Product Model: Kingchuxing Interface: M.2 NGFF Application: Desktop、Laptop、Ultrabook、Computer integrated machineFeatures：quickness、stabilization、energy-saving、Mute、Light weight SSD Capacity: 512GBSystem support: Windows10、 Windows8. 1、windows 7、Windows xp、Windows 2003、Windows 2008、DOS、Linux、Unix. Warranty: 3 yearsWarning:m.2 ngff SSD uses the B-key interface, It is different from m.2 nvme PCIe. Please confirm that your computer can support before purchases.Package Contains:1 x Kingchuxing M.2 NGFF .