ThinkBook 15 Reliability tested on 12 MIL-STD-810H Methods and 22 Procedures | Body Material: Aluminium (Top) | Built to withstand rugged usage and can handle accidental knocks, drops, and even spills l Surface Treatment: Anodizing sandblasting Processor: 12th Gen Intel Core I71255U G4 processor | 10 Cores | 12 Threads | Speed Upto 4.7 | 12 MB Cache | Memory: 16GB RAM DDR4-3200 MHz, dual-channel capable upgradable upto 40 GB | Storage: 512GB SSD M.2 Upgradable up to 2 TB Operating System: Pre-loaded Windows 11 Home SL with lifetime Validity | Pre-installed software: Microsoft Office Home & Student 2021 Display: 15.6" (39.62 cm) Screen (1920x1080) FHD Antiglare | Graphics: Intel Iris Xe Graphics- DirectX 12.1 enables amazing graphics | HD Audio, Realtek ALC3287 codec, Stereo speakers, 2Wx2, Dolby Audio | Monitor Supports: upto 4 independent displays Ports: 2x USB 3.2 Gen 1 (1 Always On), HDMI, USB-C 3.2 Gen 2 (support data transfer, Power Delivery 3.0 and DisplayPort 1.4), Thunderbolt 4 , Card reader, Ethernet (RJ-45), Headphone / microphone combo jack (3.5mm) l 4-in-1 card reader Camera: 720p, with privacy shutter | Microphone: Dual array microphone | Keyboard: 6-row, spill-resistant, Backlit | Touchpad: Buttonless Mylar surface multi-touch touchpad, supports Precision TouchPad Connectivity: Wi-Fi 6, 802.11ax 2x2 Wi-Fi + Bluetooth 5.1 | Security: TPM 2.0 | Touch style fingerprint reader on smart power button | Physical Locks: Kensington Nano Security Slot | Laptop Design: Dual tone, 180 Degree Hinge | Weight: 1.7 kg