Western Digital RED PRO 4 TB 3.5" Serial ATA III 3 3.5-inch bays 1 Gen 2) Type-A ports

Western Digital RED PRO 4 TB 3.5" Serial ATA III 3 3.5 inch bays 1 Gen 2) Type A ports 1 Gen 2) Type A ports quantity 1 Keyboard Keyboard backlit Yes Numeric keypad Yes Pointing device Touchpad Software Operating system installed ChromeOS Processor special features Intel Flex Memory Access Yes Intel Trusted Execution Technology Yes Intel VT x with Extended Page Tables (EPT) Yes Execute Disable Bit Yes CPU configuration (max) 1 Embedded options available No Intel Virtualization Technology for Directed I O (VT d) Yes Intel Virtualization Technology (VT x) Yes Battery Battery capacity 57 Wh Number of battery cells 3 Battery technology Lithium Ion (Li Ion) Power AC adapter output voltage 15 V AC adapter output current 3 A AC adapter input voltage 100 240 V AC adapter frequency 50 60 Hz AC adapter power 45 W Sustainability Sustainability certificates EPEAT Silver and pixel‑perfect precision