Seasonic Focus GX-850 Gold 850W Power Supply
This high-wattage unit boasts ultra-high 80 PLUS Gold efficiency which achieves 90% efficiency at 50% system load. Due to its small size the Focus+ Gold power supply is a great solution for smaller computer cases in the living room for instance. This power supply is not only small, but mean too. It boasts the highest power density in its class and it also has remarkable output characteristics during operation. The technologies applied and the components and materials used in the manufacturing of the FOCUS+ Gold 850 are in line with Seasonic’s highest standards.
This high-wattage unit boasts ultra-high 80 PLUS Gold efficiency which achieves 90% efficiency at 50% system load. Due to its small size the Focus+ Gold power supply is a great solution for smaller computer cases in the living room for instance. This power supply is not only small, but mean too. It boasts the highest power density in its class and it also has remarkable output characteristics during operation. The technologies applied and the components and materials used in the manufacturing of the FOCUS+ Gold 850 are in line with Seasonic’s highest standards.
This high-wattage unit boasts ultra-high 80 PLUS Gold efficiency which achieves 90% efficiency at 50% system load. Due to its small size the Focus+ Gold power supply is a great solution for smaller computer cases in the living room for instance. This power supply is not only small, but mean too. It boasts the highest power density in its class and it also has remarkable output characteristics during operation. The technologies applied and the components and materials used in the manufacturing of the FOCUS+ Gold 850 are in line with Seasonic’s highest standards.
This high-wattage unit boasts ultra-high 80 PLUS Gold efficiency which achieves 90% efficiency at 50% system load. Due to its small size the Focus+ Gold power supply is a great solution for smaller computer cases in the living room for instance. This power supply is not only small, but mean too. It boasts the highest power density in its class and it also has remarkable output characteristics during operation. The technologies applied and the components and materials used in the manufacturing of the FOCUS+ Gold 850 are in line with Seasonic’s highest standards.
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The lowest price for Seasonic Focus GX-850 Gold 850W Power Supply right now is $148.46 at MegaBuy, compared across 19 retailers.
The all-time low was $148.36 on 11 Aug 2026. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 12 Sept 2026.
Last updated at 12/09/2026 07:39:06
Seasonic GX-550 Focus GX 550W 80+ Gold Power Supply Unit
Free delivery
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Seasonic GX-650 Focus GX 650W 80+ Gold Power Supply Unit
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 GX-750 Focus GX 750W 80+ Gold Power Supply Unit
Free delivery
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 Focus GX-850 850W 80 Plus Gold Modular Power Supply Unit
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!
[PSUSEAFOCUSGX550] Seasonic 550W Focus GX-550 Gold PSU (SSR-550FX) (OneSeasonic)
7-day returns
PSUSEAFOCUSGX550 SeaSonic 550W Focus Gx-550 Gold Psu (Ssr-550Fx) (OneSeasonic) PSUSEAFOCUSGX550
Delivery between 17–21 Sept $15
PSUSEAFOCUSGX650 SeaSonic 650W Focus Gx-650 Gold Psu (Ssr-650Fx) (OneSeasonic) PSUSEAFOCUSGX650
Delivery between 17–21 Sept $15
PSUSEAFOCUSGX750 SeaSonic 750W Focus Gx-750 Gold Psu (Ssr-750Fx) (OneSeasonic) PSUSEAFOCUSGX750
Delivery between 17–21 Sept $15
PSUSEAFOCUSGX850 SeaSonic 850W Focus Gx-850 Gold Psu (Ssr-850Fx) (OneSeasonic) PSUSEAFOCUSGX850
Delivery between 17–21 Sept $15
Seasonic 550W Focus Power Supply - ATX 12 V, 80PLUS Gold, Fully Modular
Delivery between 17–26 Sept $12
| Cooling type | Active |
| Fan diameter | 12 cm |
| On/off switch | Y |
| Purpose | PC |
| Certification | WEEE, ErP Lot 6, REACH |
Seasonic GX-550 Focus GX 550W 80+ Gold Power Supply Unit
Free delivery
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 GX-650 Focus GX 650W 80+ Gold Power Supply Unit
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 GX-750 Focus GX 750W 80+ Gold Power Supply Unit
Free delivery
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 Focus GX-850 850W 80 Plus Gold Modular Power Supply Unit
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!
[PSUSEAFOCUSGX550] Seasonic 550W Focus GX-550 Gold PSU (SSR-550FX) (OneSeasonic)
7-day returns
| Cooling type | Active |
| Fan diameter | 12 cm |
| On/off switch | Y |
| Purpose | PC |
| Certification | WEEE, ErP Lot 6, REACH |
