$200 $250
Ends 1/11. Newegg with Super Flower has the Super Flower Leadex Platinum Special Edition 1000W 80+ Modular Power Supply (SF-1000F14MP V2) for $200 with free shipping.
Newegg has the EVGA SuperNOVA 650 GT 80 Plus Gold 650W Modular Power Supply (220-GT-0650-Y1) for $90 - $10 rebate [Exp 12/31] = $80 with free shipping.
Newegg has the CORSAIR CV Series CV650 650W ATX12V 80 PLUS BRONZE Certified Non-Modular Power Supply (CP-9020211-NA) for $60 - $20 rebate [Exp 12/7] = $40 with free shipping.
Amazon with EGOWAY has the E EGOWAY 44W 15V 2.58A Power Supply for Surface Pro/Surface Laptops w/ 6-Ft Cord for $29 - $12 off with coupon code BIH48HZT [Exp 11/23] = $17 with free shipping on $25+ or with Prime.