The price on the cpu is kinda high for a used item (if there is no warranty)
The board is average price for a used model.
Those items are very popular for a server, but for about $100 more, you might find
them new with warranties.
Click on the show button in my signature to see my xeon cpu ($199 + tax) and supermicro mobo ($159 + shipping)
which were both purchased brand new late last year.