The Macq12 is a 4 channel PCIe high speed digitizer with individual gain control on each channel.

PCIe Interface
Quad channel: 12 bits, maximum sampling rate up to 125 MS/s
Dual channel: 12 bits, maximum sampling rate up to 250 MS/s
Single channel: 12 bits, maximum sampling rate up to 500 MS/s
Single channel: 8 bits, maximum sampling rate up to 1000 MS/s