ThinkPad L15 Gen 4 | 15.6″ FHD (1920×1080) IPS 250nits Anti-glare | 45% NTSC | Intel® Core™ i5-1335U | 10C (2P + 8E) / 12T | P-core 1.3 / 4.6GHz | E-core 0.9 / 3.4GHz | 12MB | 8GB SO-DIMM DDR4-3200 (Two DDR4 SO-DIMM slots | dual-channel capable | up to 64GB DDR4-3200) | 1TB SSD M.2 2242 PCIe® 4.0×4 NVMe® Opal 2.0 | Integrated Intel® Iris® Xe Graphics Functions as UHD Graphics | Windows® 11 Pro | English | Intel® Wi-Fi® 6 AX201 | 11ax 2×2 + BT5.1 | Quectel EM05-G | 4G LTE CAT4 | with Embedded eSIM | 1x USB 3.2 Gen 1 | 1x USB 3.2 Gen 1 (Always On) | 1x USB-C® 3.2 Gen 2 (support data transfer / Power Delivery 3.0 and DisplayPort™ 1.4) | 1x Thunderbolt™ 4 / USB4® 40Gbps (support data transfer / Power Delivery 3.0 and DisplayPort™ 1.4) | 1x HDMI® | up to 4K/60Hz | 1x microSD card reader | 1x Ethernet (RJ-45) | 1x Headphone / microphone combo jack (3.5mm) | Thunder Black | Integrated 46.5Wh | 65W USB-C® (3-pin) | Backlit | English (EU) | Fingerprint reader Touch Style | Match-on-Chip | Integrated in Power Button | Stereo speakers | 2W x2 | Dolby® Audio™