ThinkPad E590 is available in three Core i5-8265U, i7-8565U, and i3-8145U processors. More expensive models are equipped with AMD Radeon RX 550X discrete graphics, and other models use UHD 620 core graphics. In terms of memory, It has 8G, 16G, 32G, and other different capacities. You can also upgrade to 64GB (two 32G memory). The hard drive also supports upgrades to larger capacities. You can choose a 128G, 256G or 512G SSD, or a 500G or 1T mechanical hard drive.
ThinkPad E590 has two screen options: one is the HD TN screen (1366*768), and the other is the FHD IPS screen (1920*1080). Although FHD is the best screen for the E590, it is definitely not a high-end panel.
It has a full-featured Type-C, 2x USB 3.0, 1x USB 2.0, in addition to HDMI, RJ45 (standard network port), Micro SD card reader and audio port, which can basically meet any needs of computer use. It is one of the most comprehensive notebook models on the ports.