National Instruments PXI-6281 multifunction data acquisition module for PXI platform, M-series. PXIe hybrid slot compatible version. Capable of 18-bit sampling with microvolt sensitivity. Tested, fully functional, and in excellent physical condition.

AI Channels               16 SE / 8 DI

Sample Rate               625 kS/s single channel, 500 kS/s aggregate 

Resolution                  18 bits, 7 gain levels

AO Channels              2, 16 bits, 2.8 MS/s

DIO Channels             24, 8 clocked

Counters/Timers         2, 32 bits, 80 MHz  

For additional information and resources, refer to the manufacturer's website.