Northern Bank Direct is currently offering a 9 month 4.50% CD. They also have a 6 month 4.00% CD. The rates on all their other CD terms are only 3.50%. All Northern Bank Direct CDs have a $500 minimum.
https://www.northernbankdirect.com/cds-all-rates
(BTW, Newtek Bank is currently offering a 9 month 4.60% CD. Thank you “evol97” for commenting about this!)