Lenovo ThinkBook 15 G4 IAP Notebook PC (21DJ00AXSA) - 12th Generation intel Core i7-1255U Processor, 16GB DDR4 3200MHz RAM (1 x 8GB Soldered RAM + 1 x 8GB SO-DIMM Removable RAM, 40GB Max), 512GB M.2 2242 PCIe NVMe Solid State Drive, 15.6-inch Full HD IPS 300nits Anti-Glare Display (1920 x 1080), No Optical Drive, Integrated Intel Iris Xe Graphics, 720p HD Webcam, 2 x Array Microphone, 2 x 2W HD Stereo Speakers, Wi-Fi 6 11ax, 2x2 + Bluetooth 5.1, Connectivity: 1 x USB 3.2 Gen 1, 1 x USB 3.2 Gen 1 (Always On), 1 x USB-C 3.2 Gen 2 (support data transfer, Power Delivery 3.0, and DisplayPort 1.4), 1 x Thunderbolt 4 / USB 4 40Gbps (support data transfer, Power Delivery 3.0, and DisplayPort 1.4), 1 x HDMI, up to 4K/60Hz, 1 x Card reader, 1 x Ethernet (RJ-45), 1 x Headphone / microphone combo jack (3.5mm), Windows 11 Pro 64-Bit