Can this power supply maintain stable performance under heavy gaming loads?

The Thermaltake Toughpower GF A3 ATX 3.0 850W is designed to provide sufficient and stable power delivery, making it suitable for heavy gaming loads.

What are the dimensions of this power supply, and will it fit in a mid-tower ATX case?

The dimensions of the power supply are 5.9"(W) x 3.4"(H) x 5.5"(D).

Does the Thermaltake Toughpower GF A3 850W power supply support NVIDIA's latest RTX series graphics cards?

The Thermaltake Toughpower GF A3 ATX 3.0 850W power supply is PCIe Gen 5 ready and includes a PCIe Gen.5 600W 12VHPWR cable, which is compatible with NVIDIA's latest RTX series graphics cards.

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Main image of Thermaltake Toughpower GF A3 ATX 3.0 850W 80+ Gold Full Modular SLI/Crossfile Ready Power Supply; PCIe Gen.5 450W 12VHPWR Connector Included; PS-TPD-0850FNFAGU-L)

Alt view image 2 of 12 - Thermaltake Toughpower GF A3 ATX 3.0 850W 80+ Gold Full Modular SLI/Crossfile Ready Power Supply; PCIe Gen.5 450W 12VHPWR Connector Included; PS-TPD-0850FNFAGU-L)

Alt view image 3 of 12 - Thermaltake Toughpower GF A3 ATX 3.0 850W 80+ Gold Full Modular SLI/Crossfile Ready Power Supply; PCIe Gen.5 450W 12VHPWR Connector Included; PS-TPD-0850FNFAGU-L)

Alt view image 4 of 12 - Thermaltake Toughpower GF A3 ATX 3.0 850W 80+ Gold Full Modular SLI/Crossfile Ready Power Supply; PCIe Gen.5 450W 12VHPWR Connector Included; PS-TPD-0850FNFAGU-L)

Alt view image 5 of 12 - Thermaltake Toughpower GF A3 ATX 3.0 850W 80+ Gold Full Modular SLI/Crossfile Ready Power Supply; PCIe Gen.5 450W 12VHPWR Connector Included; PS-TPD-0850FNFAGU-L)

Alt view image 6 of 12 - Thermaltake Toughpower GF A3 ATX 3.0 850W 80+ Gold Full Modular SLI/Crossfile Ready Power Supply; PCIe Gen.5 450W 12VHPWR Connector Included; PS-TPD-0850FNFAGU-L)

Alt view image 7 of 12 - Thermaltake Toughpower GF A3 ATX 3.0 850W 80+ Gold Full Modular SLI/Crossfile Ready Power Supply; PCIe Gen.5 450W 12VHPWR Connector Included; PS-TPD-0850FNFAGU-L)

Alt view image 8 of 12 - Thermaltake Toughpower GF A3 ATX 3.0 850W 80+ Gold Full Modular SLI/Crossfile Ready Power Supply; PCIe Gen.5 450W 12VHPWR Connector Included; PS-TPD-0850FNFAGU-L)

Alt view image 9 of 12 - Thermaltake Toughpower GF A3 ATX 3.0 850W 80+ Gold Full Modular SLI/Crossfile Ready Power Supply; PCIe Gen.5 450W 12VHPWR Connector Included; PS-TPD-0850FNFAGU-L)

Alt view image 10 of 12 - Thermaltake Toughpower GF A3 ATX 3.0 850W 80+ Gold Full Modular SLI/Crossfile Ready Power Supply; PCIe Gen.5 450W 12VHPWR Connector Included; PS-TPD-0850FNFAGU-L)

Alt view image 11 of 12 - Thermaltake Toughpower GF A3 ATX 3.0 850W 80+ Gold Full Modular SLI/Crossfile Ready Power Supply; PCIe Gen.5 450W 12VHPWR Connector Included; PS-TPD-0850FNFAGU-L)

Alt view image 12 of 12 - Thermaltake Toughpower GF A3 ATX 3.0 850W 80+ Gold Full Modular SLI/Crossfile Ready Power Supply; PCIe Gen.5 450W 12VHPWR Connector Included; PS-TPD-0850FNFAGU-L)

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Thermaltake Toughpower GF A3 ATX 3.0 850W 80+ Gold Full Modular SLI/Crossfile Ready Power Supply; PCIe Gen.5 450W 12VHPWR Connector Included; PS-TPD-0850FNFAGU-L)

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850W (White)

PCIe Gen 5 ready, designed with native PCIe 12+4pin modular interface.
Compatible with Intel ATX 3.0 specification, providing sufficient and stable power delivery
PCIe Gen.5 600W 12VHPWR cable included
850W continuous output at 45°C/113°F operating environment
High quality Japanese 105°C/221°F main capacitors
Fully modular with black low-profile flat cables
Smart Zero Fan: auto-regulated fan speed based on power consumption for a quiet and efficient operation
High amperage single +12V rail design
Ultra-quiet 120mm fluid dynamic bearing fan

🔥Don't forget your OS, we have Windows 11 OEM, Download and USB versions available

Overview

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General
Brand	Thermaltake
Series	Toughpower GF A3 Series
Model	PS-TPD-0850FNFAGU-L

Details
Color	Black
Type	ATX / ATX 3.0 Compatible
Maximum Power	850 W
Fans	1 x 120 mm Fluid Dynamic Bearing Fan
Main Connector	24Pin
+12V Rails	Single
PCI-Express Connector	4 x 6+2-Pin 12VHPWR Support Wattage: 450W
SATA Power Connector	8
Haswell Support	Yes
Max PSU Length	150 mm
Modular	Full Modular
Hold-up Time	> 17msec
Energy-Efficient	80 PLUS GOLD Certified
Protection	OVP / UVP / OCP / OPP / OTP / SCP
Input Voltage	100 - 240 V
Input Frequency Range	50/60 Hz
Input Current	15A-8A
Output	+3.3V@20A; +5V@20A; [email protected]; [email protected]; +5VSB@3A
MTBF	>100,000 Hours
Approvals	FCC/ICES/CB/cTUVus
Connectors	1 x Main Power Connector (24pin) 2 x ATX 12V / EPS 12V (8pin/4+4pin) 1 x PCIe 12VHPWR 450W (12+4pin) 4 x PCI-E (6+2pin) 8 x SATA (5pin) 4 x Peripheral (4pin) 1 x Floppy

Features
Features	PCIe Gen 5 ready, designed with native PCIe 12+4pin modular interface. Compatible with Intel ATX 3.0 specification, providing sufficient and stable power delivery PCIe Gen.5 600W 12VHPWR cable included 850W continuous output at 45°C/113°F operating environment High quality Japanese 105°C/221°F main capacitors Fully modular with black low-profile flat cables Smart Zero Fan: auto-regulated fan speed based on power consumption for a quiet and efficient operation High amperage single +12V rail design Ultra-quiet 120mm fluid dynamic bearing fan

Dimension & Weight
Dimensions	5.9"(W) x 3.4"(H) x 5.5"(D) in.
Weight	6.4 lbs

Additional Information
First Listed on Newegg	April 21, 2023

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Limited Warranty period (parts): 10 years
Limited Warranty period (labor): 10 years
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Return Policies

We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2025 and December 31, 2025 you will have until January 31, 2026 to return your product.

Return for refund until: January 31, 2026

Return for replacement until: January 31, 2026

This item is covered by Newegg.com's Extended Holiday Return Policy. Read full return policy for details.

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Thermaltake Toughpower GF A3 ATX 3.0 850W 80+ Gold Full Modular SLI/Crossfile Ready Power Supply; PCIe Gen.5 450W 12VHPWR Connector Included; PS-TPD-0850FNFAGU-L)

Learn more about the Thermaltake PS-TPD-0850FNFAGU-L

Customer Reviews of the Thermaltake PS-TPD-0850FNFAGU-L

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

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Manufacturer Contact Info

Item#: N82E16817153449

Best Sellers

Thermaltake Toughpower GF A3 ATX 3.0 850W 80+ Gold Full Modular SLI/Crossfile Ready Power Supply; PCIe Gen.5 450W 12VHPWR Connector Included; PS-TPD-0850FNFAGU-L)

Learn more about the Thermaltake PS-TPD-0850FNFAGU-L

Customer Reviews of the Thermaltake PS-TPD-0850FNFAGU-L

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info