Cheetah SPI Adapter
The Cheetah SPI Adapter from Total Phase is a high-speed, bus powered USB 2.0 device that allows you communicate over the SPI interface, at speeds up to 40+MHz. Designed to communicate with the SPI-based, high speed flash memory, this SPI adapter is the perfect tool for developers to for developing, debugging and programming SPI-based systems.
SPIXpress SPI Interface
The Byte Paradigm SPI Xpress is a SPI protocol exerciser and analyser. It operates on standard SPI and non-standard 4-wires and 3-wires serial protocol interfaces up to 50 Mbps data rate.