Asus Strix x299-E gaming motherboard.
Socket: LGA2066
Compatible with:
Core i9: i9-10980XE
Core i9 Extreme: i9-9980XE
Core i9: i9-9960X
Core i7: i7-9800X
Core i9: i9-7960X
Core i7: i7-7820X
Not tested, therefore sold as defective. The pins in the socket look good and I can't see any that are bent.