1. Form factor: M.2 2230 (22mm x 30mm); Whether you need a boost for gaming or a seamless workflow for heavy graphics, the PM991a is a for outstanding SSD performance.2. Interface: NVMe PCIe Gen3 x 4; Keep your SSD running at its with Full Power Mode, which drives continuous and consistent high performance3. Size: Fits 2230 as is / Compatibility: Laptop & Desktop Compatible Sequential read/write up to (MB/s): 3100/2000; Random read/write up to (IOPS): 380K/330KNote:The factory batches are different, and if the appearance and words are different, it does not affect the use of the product.Capacity:1TBForm Factor:M.2 2230 PCIe NVME SSDKey Type:M KeyHardware Requirements:M.2 slotSize:Fits 2230 as is; Will fit 2260 & 2242, 2280 with adapter (Adapter NOT INCLUDED)Compatibility:Laptop & Desktop CompatibleColour:BlackMaterial:PlasticSize:22mm x 30mm x 2.38mmPackage Contents:1 * SSD 1TBOnly 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 +/- 1-3cm.