Bluetooth is a proprietary open wireless technology standard for exchanging data over short distances (using short-wavelength radio transmissions in the ISM band from 2400–2480 MHz) from fixed and mobile devices, creating personal area networks (PANs) with high levels of security. Y 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 4th Generation Intel® Core™ processors are based on Intel® microarchitecture formerly known as Haswell, manufactured on 22 nm process technology with 3D tri-gate transistors. This platform provides excellent CPU, graphics, media performance, flexibility, and enhanced security over the 3rd generation Intel® Core™ processors, making it ideal for a broad range of intelligent systems. Intel Core i5-4xxx DisplayPort 1 DIRECTIVE (EU) 2022/2380 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 23 November 2022 (Part III) y HP ProBook 6550b, Intel® Core™ i5, 2,4 GHz, 39,6 cm (15.6"), 1600 x 900 Pixel, 4 Giga Bites, 320 Giga Bites HP ProBook 6550b. Familia de procesoare: Intel® Core™ i5, Procesor: i5-450M, Frecvență procesor: 2,4 GHz. Diagonala afișajului: 39,6 cm (15.6"), Tip HD: HD+, Rezoluţie de afişare: 1600 x 900 Pixel. Memorie internă: 4 Giga Bites, Tip de memorie internă: DDR3-SDRAM. Capacitate totală de stocare: 320 Giga Bites, De tipul de unitate optică: DVD Super Multi DL. Model adaptor grafic la-bord: Intel® HD Graphics, Model adaptor grafic dedicat: Intel® HD Graphics. Sistem de operare cu condiţia: Windows 7 Professional. Greutate: 2,51 kg