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Advice needed for PSU.

Wild_Boy
Level 7
Gday Everyone,

I have just ordered a new mobo Asus Maximus VII Hero and CPU Intel Core I7 4790k. Current specs listed in sig below. I was wondering if my PSU is good enough for the new system (Antec High Current Gamer M 620 W). Do i need to upgrade??? Please advise.
Motherboard: Asus Maximus VII Hero
Processor: Intel Core I7 4790K
Ram:G.Skill RipJawsx PC3-12800 1600 Mhz (4*4) GB
Hard Drive: Samsung 840 PRO 120 GB SSD
:Seagate Barracuda 500 GB
Casing: Aerocool Strike x advance
Cooling: Antec Kuhler h20 620
PSU: THERMALTAKE MODULAR TOUGHPOWER GRAND 850W PSU
GPU: Evga GTX 660 Super-clocked
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19 REPLIES 19

Biohazard
Level 7
if you are not looking for Sli or Crossfire you don't need to upgrade.

Bye

Wild_Boy
Level 7
thx mate
Motherboard: Asus Maximus VII Hero
Processor: Intel Core I7 4790K
Ram:G.Skill RipJawsx PC3-12800 1600 Mhz (4*4) GB
Hard Drive: Samsung 840 PRO 120 GB SSD
:Seagate Barracuda 500 GB
Casing: Aerocool Strike x advance
Cooling: Antec Kuhler h20 620
PSU: THERMALTAKE MODULAR TOUGHPOWER GRAND 850W PSU
GPU: Evga GTX 660 Super-clocked

Biohazard
Level 7
Try to google Psu Calculator and you'll see everything you want to know 🙂

Wild_Boy
Level 7
wasnt sure if it was reliable. According to the PSU cal it says that the recommended W is 400. I guess I have enough room with my current PSU which is a 620 W.
Motherboard: Asus Maximus VII Hero
Processor: Intel Core I7 4790K
Ram:G.Skill RipJawsx PC3-12800 1600 Mhz (4*4) GB
Hard Drive: Samsung 840 PRO 120 GB SSD
:Seagate Barracuda 500 GB
Casing: Aerocool Strike x advance
Cooling: Antec Kuhler h20 620
PSU: THERMALTAKE MODULAR TOUGHPOWER GRAND 850W PSU
GPU: Evga GTX 660 Super-clocked

Biohazard
Level 7
Yes, you have 🙂

Mark3
Level 8
By the way, ASUS has a calculator you can check to be sure. Please see the link here: http://support.asus.com/powersupply.aspx.
Hi, I have now retired from ASUS support, please refer problems to current @ASUS/cl- usernames.

Wild_Boy
Level 7
thx for the link. Now it shows that i need a psu at least with 600W. My current psu is 620. This is getting confusing now..:(
Motherboard: Asus Maximus VII Hero
Processor: Intel Core I7 4790K
Ram:G.Skill RipJawsx PC3-12800 1600 Mhz (4*4) GB
Hard Drive: Samsung 840 PRO 120 GB SSD
:Seagate Barracuda 500 GB
Casing: Aerocool Strike x advance
Cooling: Antec Kuhler h20 620
PSU: THERMALTAKE MODULAR TOUGHPOWER GRAND 850W PSU
GPU: Evga GTX 660 Super-clocked

Hello Wild_Boy

I see you have the 3770 non k, you won't be overclocking it so your 620 watt psu should still be fine.

Wild_Boy
Level 7
Hi Nate,

I have just ordered the core i7 4790k and asus Maximus VII hero ( Yet to be delivered). That is why am asking if my current psu will be appropriate for the upgrade.
What do u think?
Motherboard: Asus Maximus VII Hero
Processor: Intel Core I7 4790K
Ram:G.Skill RipJawsx PC3-12800 1600 Mhz (4*4) GB
Hard Drive: Samsung 840 PRO 120 GB SSD
:Seagate Barracuda 500 GB
Casing: Aerocool Strike x advance
Cooling: Antec Kuhler h20 620
PSU: THERMALTAKE MODULAR TOUGHPOWER GRAND 850W PSU
GPU: Evga GTX 660 Super-clocked