Pulse Instruments' PI-41000 digital acquisition card features twin 100-MHz inputs that can acquire digital data at rates of up to 400 MB/s, and provide one 32-bit or two 16-bit channels. The device is software-configurable and has an onboard memory of 128 to 512 MB. Optional 4:1 multiplexer cards are available, which allow one card to acquire up to eight digital channels. Multiple cards can be used in a system to increase data rates and handle up to 32 channels. Applications include synchronous data capture and testing imaging devices.