Supports only NVMe protocol hard drives with specifications of 2230/2242/2260/2280/22110. Plug and play design eliminates the need for drivers and motherboard disassembly. High bus speed of 128GT/s with PCIe 4.0x8 bus specification. Each M.2 interface supports NVMe 4.0x4 with speeds ranging from 6800-7600MB/s. The PCIe 4.0 to NVMe PLX88024 4-bit expansion card is designed for seamless integration with NVMe hard drives, providing exceptional data transfer speeds and ease of use. Its plug-and-play functionality ensures a hassle-free setup, making it ideal for users looking to enhance their storage capabilities without complicated installations. Specification: B: Equipped with 4 heat sinks. Color: Black Material: PCB+Metal Package Contents: 1 * Pcle Expansion Card 1 * Baffle 4 * Heat sink (random colors, don't accept the specified color) Only 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.