Apex 300 Related Searches Apex 300 SteelSeries This device has reached its end of production. We may not be able to provide any troubleshooting steps. You are welcome to take a peek at our STORE and see what the new keyboards are up to! Related articles Apex Pro/Apex 7/TKL Features & User Manual Apex 100 My keyboard is experiencing software issues Apex M800 Apex Keyboard Reset