Best Holiday Power Supply Deals 2021

Seasonic Core GM-500 80 Plus Gold: Was $89, now $29 (opens in new tab)
Seasonic makes some high quality PSUs, and this semi-modular model gets you gold efficiency and enough power for a decent midrange PC. There's a $15 mail-in rebate, but even at $44 it's a good deal.

Seasonic FOCUS PX-850: was $174, now $109 at Newegg (opens in new tab)
After a $25 rebate and $35 promo code discount (BCMAY22228), this 850W premium PSU from Seasonic lands under $110. For that, you get a Platinum efficiency rating, fully modular cables, a fanless mode, and a long 10-year warranty.

EVGA 850 B5 Fully Modular PSU: was $139, now $79 at Amazon (opens in new tab)
This PSU from EVGA has an output of 850 Watts. It's fully modular and is 80 Plus Bronze certified for its performance. It spans 150mm across and uses a 135mm fan for cooling.

Corsair RM850x: was $144, now $108 at Amazon (opens in new tab)
This 850W PSU from Corsair's RMX Series is fully modular, 80+ Gold Certified, has a zero-RPM silent mode and a long 10-year warranty.

EVGA SuperNova 5500 GM: was $99, now $69 at Newegg (opens in new tab)
After a $10 rebate and a $5 discount (code EVGAGTP83), this compact but capable SFX PSU from EVGA dips below $65. For that price, you get 80+ Gold-rated efficiency, fully modular cables and a five-year warranty.

Corsair SF600 (80 PLUS Gold): was $124, now $84 at Newegg after rebate (opens in new tab)
The SF600 is a SFX power supply with a 600W capacity and 80 PLUS Gold certification. Its compact and modular design facilitates the building process and cable management. 

Corsair SF600 (80 Plus Platinum): was $144, now $109 at Newegg after rebate (opens in new tab)
This version of the SF600 features an 80 Plus Platinum certification, rare for an SFX PSU. Its compact case and modular cables make building a compact, clean system easier.