Replacement Laptop Motherboard NM-B891 5B21C15316 for T490s / X390 — CPU i5-8365U vP 16G JP d TPM Model

NM-B891 (5B21C15316) replacement motherboard for T490s and X390 laptops. This vP 16G JP d TPM Model board includes an onboard CPU i5-8365U and is intended as a direct swap for systems requiring part number 5B21C15316. Ideal for repairing or restoring functionality in compatible T490s/X390 machines while retaining TPM capabilities.