Seasonic Prime's ultra-high efficiency and outstanding performance are the fine results of Seasonic's continuous commitment to innovation and advancement. Improved low-load efficiency, highly suppressed ripple noise are just some of the characteristics that set these series apart from other power supplies on the market.
Seasonic Prime's ultra-high efficiency and outstanding performance are the fine results of Seasonic's continuous commitment to innovation and advancement. Improved low-load efficiency, highly suppressed ripple noise are just some of the characteristics that set these series apart from other power supplies on the market.
in 3 offers
The lowest price for Seasonic Prime PX-650 Platinum 650W Power Supply right now is $297.87 at JW Computers, compared across 3 retailers.
The all-time low was $255.55 on 20 Sept 2025 — today's price is 17% above the lowest ever. That's a little above the best price we've seen.
Prices last updated 26 June 2026.
Seasonic Prime PX-650 Platinum 650W Power Supply
Seasonic Prime's ultra-high efficiency and outstanding performance are the fine results of Seasonic's continuous commitment to innovation and advancement. Improved low-load efficiency, highly suppressed ripple noise are just some of the characteristics that set these series apart from other power supplies on the market.
Seasonic Prime's ultra-high efficiency and outstanding performance are the fine results of Seasonic's continuous commitment to innovation and advancement. Improved low-load efficiency, highly suppressed ripple noise are just some of the characteristics that set these series apart from other power supplies on the market.
Last updated at 26/06/2026 17:14:01
SeaSonic 650W Prime PX-650 Platinum PSU (SSR-650PD2) (OneSeasonic)
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Seasonic 650W Prime PX-650 Platinum Power Supply Unit
Free delivery between Tue – Fri
Seasonic 650W Prime PX-650 Platinum Power Supply Unit [SSR-650PD2 Active PFC F3]
Delivery between 30 June – 6 July $15
originally posted on scan.co.uk
Very quiet and superb power control. Not sure why, but it has even improved boot-up speed.
originally posted on pccasegear.com
Super quiet unit, very enjoyable in deed.
originally posted on pccasegear.com
Quiet, works as intended.
| Fan diameter | 12 cm |
| On/off switch | Y |
| Purpose | PC |
| Certification | WEEE, ErP Lot 6, REACH |
| Total power | 650 W |
SeaSonic 650W Prime PX-650 Platinum PSU (SSR-650PD2) (OneSeasonic)
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Seasonic 650W Prime PX-650 Platinum Power Supply Unit
Free delivery between Tue – Fri
Seasonic 650W Prime PX-650 Platinum Power Supply Unit [SSR-650PD2 Active PFC F3]
Delivery between 30 June – 6 July $15
Very quiet and superb power control. Not sure why, but it has even improved boot-up speed.
Super quiet unit, very enjoyable in deed.
Quiet, works as intended.
Great! Wouldn't expect any less from seasonic. 12 year warranty as well!
There is no 12V voltage drop at all when gaming or rendering, not even a slight dip!! Well, it's from Seasonic, I wouldn't expect any less. And it has 12-year warranty too!
| Fan diameter | 12 cm |
| On/off switch | Y |
| Purpose | PC |
| Certification | WEEE, ErP Lot 6, REACH |
| Total power | 650 W |
