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Seasonic FOCUS GX FOCUS GX-850 (SSR-850FX)

Photos - PSU Seasonic FOCUS GX FOCUS GX-850
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from $174.47 up to $205.97 
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Seasonic FOCUS GX FOCUS GX-850
FOCUSsemi-passive coolingmining80+ Gold10 year warranty
650 W
24+8+8(4+4) pin
750 W
24+8+8(4+4) pin
850 W
24+8+8(4+4) pin
1000 W
24+8+8(4+4) pin
Main
Power850 W
Form factorATX
Specs
PFCactive
Efficiency90 %
Cooling systemsemi-passive
Fan size120 mm
Fan bearinghydrodynamic
Certification80+ Gold
ATX12V version2.3
Power connectors
MB/CPU power supply24+8+8(4+4) pin
SATA10
MOLEX5
PCI-E 8pin (6+2)6
Floppy
Cable systemmodular
Braided wires
Cable length
MB610 mm
CPU650 mm
SATA810 mm
MOLEX690 mm
PCI-E750 mm
Max. power
+3.3V20 А
+5V20 А
+12V170 А
-12V0.3 А
+5Vsb3 А
+12V840 W
+3.3V +5V100 W
-12V3.6 W
+5Vsb15 W
General
Over voltage protection (OVP)
Over power protection (OPP)
Short circuit protection (SCP)
ProtectionUVP, OCP, OTP
Manufacturer's warranty10 years
Dimensions (HxWxD)86x150x140 mm
Official Websiteseasonic.com
Added to E-Catalogoctober 2017
P/N
SSR-850FX

Information in model description is for reference purposes.
Before buying always check characteristics and configuration of product with online store manager
Catalog Seasonic 2025 - new products, best sales and most actual models Seasonic.
How to choose a power supply for a PCBasics of choosing a reliable and balanced power supply for your home, office and gaming computer

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Seasonic FOCUS GX-850 - 850W - 80 Gold - Full-Modular - ATX Form Factor - Low Noise - Premium Japanese Capacitor - 10 Year W

COMPACT SIZE - 140 mm DEEP. High power output to size ratio FULL MODULAR. use only the cables you need to reduce clutter and improve airflow for a better ventilated system. 80 PLUS GOLD. 87% efficient at 20% load, 90% efficient at 50% load, and 87% efficient at 100% load. HYBRID SILENT FAN CONTROL. The industry's first, Seasonic patented, advanc... moreed three-phased thermal control achieves optimal between silence and cooling. This Hybrid Silent Fan Control functions in three operational stages: Fanless Mode, Silent Mode, and Cooling Mode. 10 YEAR WARRANTY. Our commitment to superior quality.
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Delivery: in USA
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$174.47
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Seasonic FOCUS GX-850 850W 80 Gold Full-Modular Fan Control in Fanless Silent and Cooling Mode Perfect Power Supply for Gami

Compact size: 140 MM deep fits ALL ATX systems Full modular: Use only the cables you need to reduce clutter to maximize airflow for a better ventilated system 80 Plus gold: Less energy gets wasted during power conversion. Cut down your electricity usage Premium hybrid fan control: Unsurpassed silent performance in Fanless Mode. The fan control b... moreutton at the back of the power supply allows users to customize cooling needs by selecting between Seasonic S2FC (fan control without Fanless Mode) and S3FC (fan control including Fanless Mode)
Amazon.com
Delivery: in USA
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$205.97
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Seasonic Focus GX-850 ATX 30 850W Gold Power Supply Unit PSUSEAFOCUSGX850A3

Digital hybrid fan control ATX 3.0 and PCIe 5.0 Cable Cable-free connection design Tight voltage regulation Gold plated connectors
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Delivery: in USA
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$199.99
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Series Seasonic FOCUSCompare using chart →
Seasonic FOCUS GX GX-850
from $174.47 
850 W, 24+8+8(4+4) pin, 6 х 6+2 pin, SATA 10, Molex 5, ATX, modular, Efficiency 90 %, semi-passive СО, mining, certificate 80+ Gold, warranty 10 years
Seasonic FOCUS GX ATX 3.0 GX-750 3.0
from $110.99 
750 W, 24+8+8(4+4) pin, 2 х 6+2 pin, 1 x 16 pin, SATA 10, Molex 3, ATX, modular, Efficiency 90 %, semi-passive СО, certificate 80+ Gold, warranty 10 years
Seasonic FOCUS GX GX-650
from $136.49 
650 W, 24+8+8(4+4) pin, 4 х 6+2 pin, SATA 8, Molex 3, ATX, modular, Efficiency 90 %, semi-passive СО, certificate 80+ Gold, warranty 10 years
Seasonic FOCUS GX GX-750
from $164.17 
750 W, 24+8+8(4+4) pin, 4 х 6+2 pin, SATA 8, Molex 3, ATX, modular, Efficiency 90 %, semi-passive СО, certificate 80+ Gold, warranty 10 years
Seasonic FOCUS PX PX-750
from $199.00 
750 W, 24+8+8(4+4) pin, 4 х 6+2 pin, SATA 8, Molex 3, ATX, modular, Efficiency 92 %, semi-passive СО, certificate 80+ Platinum, warranty 10 years
Seasonic FOCUS GX ATX 3.0 GX-850 3.0
from $155.99 
850 W, 24+8+8(4+4) pin, 3 х 6+2 pin, 1 x 16 pin, SATA 10, Molex 3, ATX, modular, Efficiency 90 %, semi-passive СО, certificate 80+ Gold, warranty 10 years
Seasonic FOCUS GM GM-850
from $101.99 
850 W, 24+8 (4+4) pin, 6 х 6+2 pin, SATA 8, Molex 3, ATX, semi-modular, Efficiency 87 %, semi-passive СО, mining, certificate 80+ Gold, warranty 7 years
Seasonic FOCUS GX GX-1000
from $247.57 
1000 W, 24+8+8(4+4) pin, 6 х 6+2 pin, SATA 10, Molex 5, ATX, modular, Efficiency 92 %, semi-passive СО, mining, certificate 80+ Gold, warranty 10 years
Seasonic FOCUS GM GM-550
from $214.58 
550 W, 24+8 (4+4) pin, 2 х 6+2 pin, SATA 6, Molex 3, ATX, semi-modular, Efficiency 87 %, semi-passive СО, certificate 80+ Gold, warranty 7 years

Seasonic FOCUS GX configurations

Price for Seasonic FOCUS GX
Seasonic FOCUS GX FOCUS GX-650from $136.492 offers
Seasonic FOCUS GX FOCUS GX-750from $164.171 offer
Seasonic FOCUS GX FOCUS GX-850from $174.473 offers
Seasonic FOCUS GX FOCUS GX-1000from $247.571 offer
Video reviews
Seasonic Focus GX-1000 V4 ATX v3.1 PSU Review
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TEST COMPLETO - SEASONIC FOCUS GX-1000 ATX3!
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Seasonic Focus GX-850 UNBOXING
2 December 2023463 view
Seasonic FOCUS v4 GX-1000 White Unboxing
18 July 2024592 view
Unboxing and installing the heart of our system - the powerful 1000W FOCUS GX power supply unit.
28 October 202438 579 view
Unboxing Seasonic Focus Plus 850 Gold SSR 850FX
6 August 20201 859 view
Seasonic Focus GX-850 Power Supply Unboxing
12 January 2022785 view
Seasonic Focus GX-850W 80+ Gold Quick Review | +12v rail testing and Comparing
25 April 20211 612 view
unboxing Seasonic Focus GX 650W 80 PLUS Gold Full Modular
27 September 2022463 view
Seasonic Focus Plus Gold 850W Power Supply Unboxing, Overview and Testing
23 February 20201 838 view
Seasonic Focus Plus Gold 650W Power Supply Unboxing Experience Review
4 July 20181 939 view
Seasonic Focus GX-750 GOLD Unboxing 4k
15 May 2021875 view
Power Supply Unboxing: SeaSonic FOCUS Plus Gold 650W
14 March 2018959 view
Seasonic Focus GX-850 - unboxing and mounting Power Suply unit for RTX 3060, RTX 3080
10 April 202228 605 view
Seasonic FOCUS GX-850 Unboxing
18 February 202111 340 view
Seasonic Focus GX 750 Unboxing | Seasonic Power Supply
6 September 2020175 view
Seasonic Focus GX Review - Quiet, Modular, and Gold- Unboxing and Review
19 November 202114 992 view
Seasonic Focus GX-550 Power Supply - Unboxing
20 February 20222 459 view
Seasonic Focus GX-750 80+ Gold Full-Modular PSU (Unboxing)
26 October 20202 826 view
✅Seasonic FOCUS Plus GOLD - 650 Watt 80+ Power Supply - Review
28 November 201721 354 view
Seasonic Focus GX-550 power supply - product tour and unboxing
3 January 20213 704 view
UNboxing Seasonic Focus GX 650w
26 September 20202 604 view
Seasonic Focus GX 850W PSU Unboxing
20 March 202011 310 view
Seasonic Focus Plus Gold 550W 80 Plus Gold PSU Unboxing
30 July 20195 511 view
We recommendCompare using chart →
Seasonic PRIME GX GX-850
from $159.99 
850 W, 24+8+8(4+4) pin, 6 х 6+2 pin, SATA 10, Molex 5, ATX, modular, Efficiency 90 %, semi-passive СО, mining, certificate 80+ Gold, warranty 12 years
Chieftec Proton BDF-850C
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Gigabyte Ultra Durable GM UD1000GM
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EVGA SuperNOVA GA 750 GA
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Corsair RMx SHIFT CP-9020275-EU
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Super Flower Leadex Titanium SF-1000F14HT
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Gigabyte Aorus Elite GP-AE850PM PG5
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850 W, 24+8+8(4+4) pin, 6 х 6+2 pin, 1 x 16 pin, SATA 8, Molex 4, ATX, modular, Efficiency 92 %, semi-passive СО, mining, certificate 80+ Platinum, warranty 10 years
MSI MPG PCIE5 A1000G PCIE5
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EVGA SuperNOVA G3 850 G3
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Cougar Polar CGR PR-1050
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1050 W, 24+8+8(4+4) pin, 9 х 6+2 pin, SATA 12, Molex 4, ATX, modular, Efficiency 92 %, semi-passive СО, mining, certificate 80+ Platinum
Gigabyte P-Series 2020 P1000GM
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1000 W, 24+8+8(4+4) pin, 6 х 6+2 pin, SATA 8, Molex 3, ATX, modular, Efficiency 90 %, mining, certificate 80+ Gold, warranty 3 years
Cougar GEX X2 GEX X2 1000
from $173.24 
1000 W, 24+8+8(4+4) pin, 6 х 6+2 pin, 1 x 16 pin, SATA 10, Molex 2, ATX, modular, Efficiency 91 %, semi-passive СО, mining, certificate 80+ Gold
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PSU Seasonic FOCUS GX-850
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