How reputable and reliable are 'Be Quiet's' 'PSUs'? I am considering Straight Power 11 Full Modular and I don't know if I should choose 650W or 750W and 80 Plus Gold or
![Amazon.com: ESGAMING Power Supply 850 Watt, 80+ Gold Certified, Fully Modular RGB Power Supply, ATX 12V Active PFC Power Supply, 10 Year Warranty : Everything Else Amazon.com: ESGAMING Power Supply 850 Watt, 80+ Gold Certified, Fully Modular RGB Power Supply, ATX 12V Active PFC Power Supply, 10 Year Warranty : Everything Else](https://m.media-amazon.com/images/I/812WxKLbToL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: ESGAMING Power Supply 850 Watt, 80+ Gold Certified, Fully Modular RGB Power Supply, ATX 12V Active PFC Power Supply, 10 Year Warranty : Everything Else
![How does PSU efficiency affect me and do I really need an 80 Plus Gold Power Supply? | TechPowerUp Forums How does PSU efficiency affect me and do I really need an 80 Plus Gold Power Supply? | TechPowerUp Forums](https://www.techpowerup.com/forums/proxy.php?image=http%3A%2F%2Fimg.photobucket.com%2Falbums%2Fv296%2Fnewtekie1%2F500wupgrade.png&hash=18b3c3f5693a41f6e4074ed2592f3a78)
How does PSU efficiency affect me and do I really need an 80 Plus Gold Power Supply? | TechPowerUp Forums
![Amazon.com: PowerSpec 750W Power Supply Semi Modular 80 Plus Bronze Certified ATX PSU Active PFC SLI Crossfire Ready Gaming PC Computer Power Supplies, PS 750BSM : Electronics Amazon.com: PowerSpec 750W Power Supply Semi Modular 80 Plus Bronze Certified ATX PSU Active PFC SLI Crossfire Ready Gaming PC Computer Power Supplies, PS 750BSM : Electronics](https://m.media-amazon.com/images/I/71WPHf9GqCL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: PowerSpec 750W Power Supply Semi Modular 80 Plus Bronze Certified ATX PSU Active PFC SLI Crossfire Ready Gaming PC Computer Power Supplies, PS 750BSM : Electronics
![Amazon.com: Cooler Master MWE Bronze 500 Watt 80 Plus Certified Power Supply, 3 Year Warranty : Electronics Amazon.com: Cooler Master MWE Bronze 500 Watt 80 Plus Certified Power Supply, 3 Year Warranty : Electronics](https://m.media-amazon.com/images/I/81as1rmiBCL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Cooler Master MWE Bronze 500 Watt 80 Plus Certified Power Supply, 3 Year Warranty : Electronics
![CORSAIR RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply Black CP-9020200-NA - Best Buy CORSAIR RMx Series RM850x 80 PLUS Gold Fully Modular ATX Power Supply Black CP-9020200-NA - Best Buy](https://pisces.bbystatic.com/image2/BestBuy_US/images/products/6459/6459244_sd.jpg)