Brand Name/ Model No: LENOVO Thinkpad E450 Display: 14.0" HD Storage: 4 GB RAM + 500 GB ROM Battery: Up to 9 Hours (47 Whr Internal Battery) Graphics Coprocessor: On Board Intel Graphics Processor Type: Intel Core I5 (5th Gen) Brand: LENOVO Item model number: Thinkpad E450 Colour: Black Screen Size: 14" HD 1366 x 768 200 nit Antiglare Processor Brand: Intel Processor Type: Intel Core I5 (5th Gen) Processor Speed: 2.3 GHz RAM Size: 4GB Memory Technology: DDR3L SDRAM Hard Drive Size: 500GB Hard Disk Technology: SATA Graphics Co-processor: On Board Intel Graphics Number of Ports: 2 x USB 3.0, 1 x USB 2.0 Always-On, RJ45, 4-in-1 media card slot, HDMI, Lenovo® One Link Technology Headphone/microphone combo jack, HDMI, Mini Display Port, Dock Number of Audio-out Ports: 1 Audio: Dolby® Advanced Audio Optical Drive Type: N/A Operating System: Genuine Windows 10 Battery: Up to 9 Hours (47 Whr Internal Battery) Brand Lenovo SKU LE599EL075ZVWNAFAMZ-270770 ram_memory 4GB Operating System Windows 10 storage_capacity_new 500GB Processor Type Intel Core i5,Intel Core i5 Display Size 14.0 System Memory 4 Model Thinkpad E450 Hard Disk 500GB