T490 / T590 Laptop Motherboard NM-B901 — i5-8365U or i7-8665U with 16GB RAM (01YT398, 01YT399)

Replacement motherboard for T490 and T590 laptops, model NM-B901. This board is supplied with an onboard Intel CPU option—either the i5-8365U or the i7-8665U—and includes 16GB of RAM. Compatible part numbers: 01YT398 and 01YT399. Ideal as a direct replacement to repair or refurbish affected T490/T590 machines while retaining the listed processor and memory specifications.