PCI Express, 16 AI (16-Bit, 250 kS/s), 2 AO (900 kS/s), 24 DIO Multifunction I/O Device—The PCIe‑6321 offers analog I/O, digital I/O, and four 32‑bit counters/timers for PWM, encoder, frequency, event counting, and more. The device delivers high-performance functionality leveraging the high-throughput PCI Express bus and multicore-optimized driver and application software. Onboard NI‑STC3 timing and synchronization technology delivers advanced timing functionality, including independent analog and digital timing engines and retriggerable measurement tasks. The PCIe‑6321 is well suited for a broad range of applications, from basic data logging to control and test automation. The included NI‑DAQmx driver and configuration utility simplify configuration and measurements.