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) Hard Drive HDD HDMI 1 DIRECTIVE (EU) 2022/2380 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 23 November 2022 (Part III) y HP Essential 655, AMD E, 1.7 GHz, 15.6", 1366 x 768 pixels, 4 GB, 500 GB HP Essential 655. Product type: Laptop, Form factor: Clamshell. Processor family: AMD E, Processor model: E2-1800, Processor frequency: 1.7 GHz. Display diagonal: 15.6", Display resolution: 1366 x 768 pixels. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 500 GB, Storage media: HDD, Optical drive type: DVD Super Multi DL. On-board graphics card model: AMD Radeon HD 7340. Operating system installed: Windows 8. Product color: Charcoal