ASUS PRIME X299 DELUXE II Motherboard Review The ASUS Prime X299 Deluxe II is an ultra-feature rich solution for today’s discerning computing enthusiast. It does not wear ROG branding, and is clad in white shrouding, letting you know that this is a PRIME motherboard. Is it a bargain priced motherboard? Nope. This one comes in at $500. Let's see if it is worth it.