Note:We install English window11 before shipping by default 2023 tianxuan 4 has been lacuned, Very powerful performance ==========tianxuan 4========= CPU： R9-7940H / R7-7735H / i7-12700H / i5-13500H / i7-13700H / i9-13900H Screen: 15.6 inch IPS Screen model 1 :100% sRGB, 144HZ，resolution 1920 x 1080 ； Screen model 2 :100% DCI-P3, 165HZ，resolution 2560 x 1440 （2.5K）. Graphics card: GeForce RTX 4070 (8GB) / RTX 4060 (8GB) / RTX 4050 (6GB) Graphics card type: GDDR6 Power of graphics card :140W Memory: 16GB DDR5 4800 MHz (i7-12700H: DDR4). Hard disk: 512GB SSD / 1TB SSD Hard disk interface: 2 x M.2 2280 supports PCIe 4.0 x4 (NVMe) Weight: about 2.1kg Battery: 90WHrs, Charging: 240W Speaker: Dolby ATMOS 2 high-quality speakers HD camera Interface - left side: 1 * power interface , 1 * RJ45 , 1 * HDMI2.1 , 1 * USB4(Intel version : thunderbolt4) , 1 * USB 3.2 Gen2 Type-C , 1 * USB 3.2 Gen1 Type-A , 1 * 3.5mm headphone interface Interface - right side: 1 * USB 3.2 Gen1 Type-A , 1 * security lock Warranty: 1 year international warranty