Get unthrottled performance even with the heaviest multi-application workloads. The HP ZBook 15 has 30% better thermal performance gen over gen to ensure it's quiet and cool with the CPU and GPU running at max performance for long periods of time. Get unthrottled performance even with the heaviest multi-application workloads. With 30% better thermal performance gen over gen it stays quiet and cool running at max performance. The HP ZBook 15 can be customized to meet the demands of every engineer and designer. And when your technology needs to evolve, you can upgrade storage or memory in seconds without tools. Expansive configurability to meet the demands of every engineer and designer. And when your technology needs to evolve, upgrade memory in seconds. Protect confidential files with security features like facial recognition and a webcam shutter. Protect your work with security features like facial recognition, webcam shutter & HP Sure View privacy display that helps protect against visual hacking at the touch of a button.