jachin99 82 Posted December 29, 2018 Share Posted December 29, 2018 (edited) I just received a new Gigabyte Radeon RX580 Gaming 8 GPU. This GPU requires a 8 pin 150 Watt(?) connection but my power supply currently only has one free 6 pin 75 watt(?) connector. The PSU also has a few free 4 pin Molex Connectors, and I am wondering if it would be advisable to buy an adapter such as this https://www.amazon.com/CableCreation-GeForce-Gigabyte-Sapphire-Graphics/dp/B078W7W8L2/ref=sr_1_2_sspa?ie=UTF8&qid=1546127354&sr=8-2-spons&keywords=4+pin+molex+to+8+pin+pcie+adapters&psc=1 to convert 2 molex adapters into one 8 pin PIC connector. the PSU is 400 watts, and I am currently running a ASRock H270 ATX mobo with a 6th gen I5 CPU. I believe the CPU is rated at 65TDP Thanks. With only the 6 pin power connector hooked up, the shuts down and restarts under heavy load so I might have to look in that direction as well. Edited December 29, 2018 by jachin99 Link to comment Share on other sites More sharing options...
Guest asrequested Posted December 30, 2018 Share Posted December 30, 2018 No, you'll have big problems if you do that. You need a better PSU. Recommended PSU is 500W https://www.gigabyte.com/Graphics-Card/GV-RX580GAMING-8GD-rev-10-11-12#sp Grab yourself one of these https://www.amazon.com/EVGA-SuperNOVA-Modular-Warranty-220-G2-0750-XR/dp/B0106RDI3W/ref=sr_1_1?s=electronics&ie=UTF8&qid=1546142777&sr=1-1&keywords=evga%2Bg2&th=1 1 Link to comment Share on other sites More sharing options...
jachin99 82 Posted December 30, 2018 Author Share Posted December 30, 2018 (edited) Those look to be powerful enough but really loud. Do you know of anything a little more quiet Edited December 30, 2018 by jachin99 Link to comment Share on other sites More sharing options...
Guest asrequested Posted December 30, 2018 Share Posted December 30, 2018 Those look to be powerful enough but really loud. Do you know of anything a little more quiet That PSU is almost silent. I have one in my HTPC. Link to comment Share on other sites More sharing options...
jachin99 82 Posted December 30, 2018 Author Share Posted December 30, 2018 Alright, thanks for the help. Link to comment Share on other sites More sharing options...
jachin99 82 Posted December 31, 2018 Author Share Posted December 31, 2018 I'm looking at these and I want to make sure everything will fit. Are the screw hole patterns on these pretty standard? I know this is a poor way to judge things but I don't have any way to measure metric units at the moments and it looks like it could be really close just using a tape measure and googling conversion charts. Link to comment Share on other sites More sharing options...
Guest asrequested Posted December 31, 2018 Share Posted December 31, 2018 I'm looking at these and I want to make sure everything will fit. Are the screw hole patterns on these pretty standard? I know this is a poor way to judge things but I don't have any way to measure metric units at the moments and it looks like it could be really close just using a tape measure and googling conversion charts. The mounting holes should be standard. I have four of the G2 PSUs, and they fit in every case I have. 1 Link to comment Share on other sites More sharing options...
jachin99 82 Posted January 12, 2019 Author Share Posted January 12, 2019 I grabbed a evga bronze 500 watt PSU and after some initial testing all seems well. Thanks for your help doofus Link to comment Share on other sites More sharing options...
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