ENERGY STAR® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. ENERGY STAR is the simple choice for energy efficiency, making it easy for consumers and businesses to purchase products that save them money and protect the environment. ENERGY STAR <b>Higher Performance When You Need It Most</b> Intel® Turbo Boost Technology 2.01 accelerates processor and graphics performance by increasing the operating frequency when operating below specification limits. The maximum frequency varies depending on workload, hardware, software, and overall system configuration. 2.0 Does not contain "conflict minerals": tantalum, tin, tungsten, and gold. Y HP speakers, custom-tuned in collaboration with experts at Bang & Olufsen, deliver rich, authentic sound. Don’t just listen – let the immersive experience move you. Bang & Olufsen When performance is your priority, rely on proven, trusted technology. With the cylindrical lithium-ion battery cell your laptop gets stable power that’s great for high-performance devices. Lithium-Ion (Li-Ion) Sit back and enjoy crystal-clear visuals and images with the vibrant quality of 2 million pixels. The 1920 x 1080 resolution gives all your digital content a new dimension. 1920 x 1080 N Full HD Amazing performance, blazing fast startups, brilliant HD video, and graphics, battery life that lasts as long as you do, and speed that keeps up with your imagination, that's what you'll find in the 6th Gen Intel® Core™ processors—Intel's best ever. Intel Core i7-6xxx DisplayPort 1 Keyboard backlit Y Numeric keyboard Y Hard Drive HDD HP ZBook 15u G3, Intel® Core™ i7, 2.5 GHz, 39.6 cm (15.6"), 1920 x 1080 pixels, 8 GB, 1 TB HP ZBook 15u G3. Product type: Mobile workstation, Form factor: Clamshell. Processor family: Intel® Core™ i7, Processor model: i7-6500U, Processor frequency: 2.5 GHz. Display diagonal: 39.6 cm (15.6"), HD type: Full HD, Display resolution: 1920 x 1080 pixels. Internal memory: 8 GB, Internal memory type: DDR4-SDRAM. Total storage capacity: 1 TB, Storage media: HDD. On-board graphics card model: Intel® HD Graphics 520. Operating system installed: Windows 7 Professional. Product colour: Black https://www.itpro.co.uk/desktop-replacements/26665/hp-zbook-15u-g3-review Workstation laptops tend to be no-holds barred affairs. They're effectively portable PCs with all the performance, ports and features a CAD designer, graphic artist or photographer could want - price be damned. HP has a long tradition of producing compell... Fast, Comfortable keyboard, Lengthy battery life for a 15in laptop Disappointing colour accuracy, Odd and disjointed selection of ports and slots, Software issues One too many compromises mean this promising laptop can't quite justify its high price...