Product Name: MINI PCIE to microSD Memory Card. Controller: Taiwan Transcend GL823K. Maximum Read/Write Speed: Approx. 20MB/s - 30MB/s. Compatible Systems: Linux, Windows OS, various common desktop systems, NAS, routers, etc. Features: Ultra-slim design, supports half-height and full-height applications. Professionally engineered with built-in short-circuit protection resistors and MOSFET safeguards for long-term stability.