The Open Ephys Acquisition Board can stream up to 512 channels of neural data to a computer via USBNew Features in 2025:

• Acquire 3D orientation data from headstages containing a 9-axis inertial measurement unit.

• Fully backwards-compatible - you can use your existing headstages.

• Use with our 3D-capable headstages to drive our torque-free SPI commutator.

• Direct compatibility with Harp family of devices.

• Faster boot and headstage recognition, improved analog front-end, and seamless integration in the Open Ephys GUI v1.0 and above.

Package includes:

• 1 Open Ephys Acquisition Board (3rd Generation)

• 1 wall adapter (5V)

• 1 USB 3.0 cable

Sold separately:

• 1 or more RHD SPI headstages from our range (low-profile 64 ch monopolar, vertical-profile 32 ch monopolar or vertical-profile 16 ch bipolar), or any compatible ones from Intan. You need our 3D-capable headstages to drive our torque-free SPI commutator.

• 1 or more SPI tethers from Intan

• 1 of our torque-free SPI commutator (for tangle-free tethers)

• 1 or more I/O boards (for interfacing with auxiliary devices)

• Standard HDMI cables (for the I/O boards)

If you don’t have headstages or tethers yet, they are available bundled with the board in our Open Ephys Starter Kit.

Documentation

Visit the Acquisition Board docs for more information.