HP Envy 15T-Q400 15-Q Series Intel Core i7-6700HQ 2.60GHz SR2FQ Processor Laptop Motherboard 829209-001.HP Part Number: 829209-001Compatible Part Numbers: 829209-501 829209-601 830205-001 830205-501 830205-601 KW21-6050A2739501-MB-A01CPU: Intel Core i7-6700HQ 2.60GHz SR2FQ ProcessorCompatible Models: HP ENVY NOTEBOOK 15-Q420NR HP ENVY NOTEBOOK 15-Q487NR HP ENVY NOTEBOOK 15T-Q400Please Note: Motherboards are part number specific. You must order by the exact part number of the motherboard you are replacing; this is required in order to avoid returns, delays and restocking fees. You can NOT go by the model or serial number alone! We obtain cross reference and compatibility information from the manufacturer (as well as other various sources); while we do this to the best of our ability, we do not guarantee its accuracy. If you are unsure, please check with your laptop manufacturer. Please order, based on the part number only!