Dell M3541 Xeon E-2276M (2.8GHz-4.7GHz)/32G (16G * 2)/1T PCIe Solid State + 2T/P620 4G standalone/camera microphone/AC9560 wireless Bluetooth/backlight/Linux system/4C 68W/15.6″100% sRGB Color gamut (1920 * 1080)/3 years service/thunderbolt 3 interface

Dell M5540 6-core I7-9750H (2.6GHz-4.5GHz)/16G (16G * 1)/256G PCIe + 2T/T1000 4G single display/camera microphone/AC9260 wireless Bluetooth/backlight/15.6″100% sRGB color gamut (1920 * 1080)/3C/W10 Home/Fingerprint/Thunderbolt interface/3 years of service

Dell M7540 6-core I7-9750H (2.6GHz-4.5GHz)/16G (8G * 2)/512G PCIe/RTX3000 6G professional VR graphics card/camera microphone/AX200 wireless Bluetooth/backlight/W10Home/6C 97W/15.6″100% sRGB Color gamut (1920 * 1080)/3 years service/lightning interface/fingerprint

Dell M7540 8-core I9-9980HK (16M 2.4GHz-5.0GHz)/32G (16G * 2)/1TB PCIe/RTX3000 6G professional VR graphics card/camera microphone/AX200 wireless Bluetooth/backlight/W10Home/6C 97W/15.6″100% sRGB color gamut (1920 * 1080)/3 years service/lightning interface/fingerprint

Dell M7740 6-core I7-9750H/32G (16G * 2)/1TB PCIe/RTX3000 6G professional VR graphics card/IR camera microphone/AX200 wireless Bluetooth/backlight/W10 Home/6C 97W/17.3″100% color gamut 4K screen (3840 * 2160)/3 years service/lightning interface/fingerprint

Dell M7740 E-2286M/32G (16G * 2)/2TB PCIe/RTX4000 8G professional VR graphics card/IR camera microphone/AX200 wireless Bluetooth/backlight/W10PRO professional version/6C 97W/17.3″100% color gamut 4K screen (3840 * 2160 )/3 years of service/lightning interface/fingerprint