翻訳待ち：Comma.ai Launches a PCIe Gen4 X4 to USB4 Dock with Open-Source Firmware

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chestnut $799 Shipping Free US shipping, $30 flat rate internationally. Using chestnut with openpilot? Choose ready to drive for everything you need to add desktop-class GPU compute to your comma four. Try our 30-day money-back trial We think you’ll love chestnut, but if you’re not satisfied, send it back within 30 days for a full refund. 1-year hardware warranty 1-year limited warranty against hardware defects. Meet chestnut chestnut is a compute upgrade for comma four, built for bigger models. It connects a desktop GPU directly to your comma four, giving openpilot the compute to run its biggest driving models. The first chestnut-class model has 30x more parameters and uses 100x more FLOPs than the latest on-device model. The ready to drive kit is the easiest way to bring that compute into your car. tiny chestnut and ready to drive use the same USB-to-PCIe board and run the same open-source custom firmware. Read the launch blog post. Using chestnut With a PC USB4 Connect chestnut to your computer and use it like any other USB4 dock. USB3 or USB2 Use tinygrad to access the GPU over a USB3 or USB2 connection. Mac Follow the TinyGPU setup guide to use a supported GPU on macOS. Join the #gpu-on-usb channel on the tinygrad Discord. With openpilot Pair chestnut with comma four to run openpilot’s biggest models. The ready to drive kit includes everything you need for an in-car setup: a GPU, a longer USB cable, a car power cable, and mounting strips. Join the #hw-chestnut channel on Discord. In the Box tiny chestnut $249 chestnut 1m USB4 standoffs + thumb nuts ATX power adapter GPU power cable ready to drive $799 chestnut 1m USB4 standoffs + thumb nuts ATX power adapter GPU power cable AMD Radeon RX 9060 8GB 3m USB3 car power cable mounting strips Setup Guide Step 1 of 7 Install the standoffs Thread the two standoffs into chestnut’s base so they are ready to support and secure the GPU. Step 2 of 7 Connect power to chestnut Plug the GPU power cable into chestnut before installing the GPU. Step 3 of 7 Seat the GPU Align the GPU with chestnut’s PCIe slot and press it firmly into place. Step 4 of 7 Secure the GPU Align the GPU with the standoffs and secure it with the thumb nuts. Step 5 of 7 Connect GPU power Plug the other end of the 8-pin power cable into the GPU. Step 6 of 7 Mount in your car Mount in the footwell Or install under the passenger seat Secure the assembled chestnut and GPU in the passenger footwell with the included mounting strips, leaving room for airflow. If there’s enough room, you can also install chestnut under the passenger seat. Step 7 of 7 Plug it in Connect vehicle power Connect comma four Connect chestnut to vehicle power and plug the USB cable into your comma four.