New tinybox with a 4090, 7900 XTX and 9070 XT is now available

The tinygrad account says the new tinybox has a G5/192/4TB configuration with a 4090, 7900 XTX and 9070 XT, and is now available. It says it used the computer for development all summer. In a follow-up, the account says these machines are standard issue for people working on machine learning at comma.ai.