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Power Supplies
1-30 of 178
SeaSonic Electronics FOCUS PX Series 750W 80 Plus Platinum Modular ATX Power Supply
Key Features
- 750W Single +12V Rail
- Intel ATX12V
- 120mm Cooling Fan
- 4 x PCIe 8/6-Pin Connectors
Cooler Master MWE Gold 750 750W 80 Plus Gold Modular Power Supply
Key Features
- 750W Single +12V Rail
- 120mm Cooling Fan
- ATX12V Version 2.31
- 4 x 8-Pin (6+2) PCIe Connectors
NZXT C750 750W 80 PLUS Gold Modular Power Supply
Key Features
- 750W Single +12V Rail
- 120mm Cooling Fan
- ATX 12V v2.4 / EPS 12V v2.92
- 4 x PCIe Connectors
SeaSonic Electronics S12III Series 650W 80 Plus Bronze ATX Power Supply
Key Features
- 650W Single +12V Rail
- 120mm Cooling Fan
- Intel ATX12V
- 4 x 8/6-Pin PCIe Connectors
Thermaltake Smart 80 PLUS Power Supply (500W)
SeaSonic Electronics FOCUS 550W 80 PLUS Gold ATX 12V Power Supply
Key Features
- 550W Single +12V Rail
- Intel ATX 12V Form Factor
- 2 x PCI-E Connectors
- 6 x SATA Connectors
SeaSonic Electronics Prime Ultra 750W Platinum Modular Power Supply
Thermaltake Smart BX1 650W 80 PLUS Bronze ATX Power Supply
Key Features
- 650W Single +12V Rail
- 120mm Cooling Fan
- ATX12V 2.3 / EPS 12V 2.92
- 2 x PCIe Connectors
Gigabyte GP-P650B 650W 80 PLUS Bronze Power Supply
Key Features
- 650W Single +12V Rail
- 120mm Cooling Fan
- Intel ATX 12V v2.31 Form Factor
- 4 x PCIe Connectors
be quiet! Straight Power 11 850W 80 Plus Platinum Modular Power Supply
Key Features
- 849.6W Four +12V Rails
- 135mm Cooling Fan
- Sleeved Modular Cables
- ATX 12V v2.51 / EPS 12V v2.92
SeaSonic Electronics S12III Series 500W 80 Plus Bronze ATX Power Supply
Key Features
- 500W Single +12V Rail
- 120mm Cooling Fan
- Intel ATX12V
- 2 x 8/6-Pin PCIe Connectors
be quiet! Dark Power Pro 11 1200W 80 Plus Platinum Modular Power Supply
Key Features
- 1188W Four +12V Rails
- 135mm Cooling Fan
- ATX 12V 2.4 / EPS 12 V 2.92
- 9 x PCIe Connectors
SeaSonic Electronics S12III Series 550W 80 Plus Bronze ATX Power Supply
Key Features
- 550W Single +12V Rail
- 120mm Cooling Fan
- Intel ATX12V
- 2 x 8/6-Pin PCIe Connectors
SeaSonic Electronics FOCUS GM 550W 80 Plus Gold ATX Power Supply
Gigabyte GP-P450B 450W 80 PLUS Bronze Power Supply
Key Features
- 450W Single +12V Rail
- 120mm Cooling Fan
- Intel ATX 12V v2.31 Form Factor
- 2 x PCIe Connectors
SilverStone ST45SF V3 450W 80 Plus Bronze SFX Power Supply
Key Features
- 450W Single +12V Rail
- 92mm Cooling Fan
- Intel ATX12V Version 2.4
- 1 x 8/6-Pin PCIe Connector
be quiet! Pure Power 11 700W Power Supply
Key Features
- 700W Dual +12 Rails
- Non-Modular Design
- Intel ATX 12V Version 2.4
- 4 x PCIe Connectors
be quiet! Pure Power 11 700W CM Power Supply
Key Features
- 700W Dual +12V Rails
- Modular Design
- Intel ATX 12V Version 2.4
- 4 x PCIe Connectors
Thermaltake Smart Active-PFC 80 PLUS Power Supply (700W)
Cooler Master V750 Gold V2 750W 80 PLUS Gold Modular Power Supply (White)
Corsair CX Series CX550M 550W 80 PLUS Bronze Semi-Modular Power Supply
Key Features
- 550W Single +12V Rail
- 120mm Cooling Fan
- ATX12V v2.4 & EPS 2.92 Form Factor
- 2 x PCI-E Connectors
ASUS Republic of Gamers STRIX 750W 80 Plus Gold Modular ATX Power Supply
Key Features
- 750W Single +12V Rail
- 135mm Cooling Fan
- 4 x 6+2-Pin PCIe Connectors
- 8 x SATA Connectors
Cooler Master MWE 550 WHITE - V2 550W 80 Plus Standard ATX Power Supply
Key Features
- 550W Single +12V Rail
- 120mm Cooling Fan
- 2 x 6+2-Pin PCIe Connectors
- 6 x SATA Connectors
Fractal Design Ion+ 660P 660W 80 PLUS Platinum Modular Power Supply
Key Features
- 660W Single +12V Rail
- 140mm Cooling Fan
- ATX12V 2.4 / EPS12V 2.92
- 4 x PCIe Connectors
be quiet! Dark Power Pro 11 850W 80 Plus Platinum Modular Power Supply
Key Features
- 840W Four +12V Rails
- 135mm Cooling Fan
- ATX 12V v2.4 / EPS 12V v2.92
- 7 x PCIe Connectors
SilverStone SFX Series 700W 80 Plus Platinum Modular SFX-L Power Supply
Key Features
- 700W Single +12V Rail
- 120mm Cooling Fan
- ATX12V Version 2.4
- 4 x PCI-E Connectors
Cooler Master Elite V3 400W Power Supply
Key Features
- 400W Single +12V Rail
- Intel ATX 12V Form Factor
- 75% Efficiency
- Non-Modular Design with Sleeved Cables
be quiet! Pure Power 11 600W CM Power Supply
Key Features
- 600W Dual +12V Rails
- Modular Design
- Intel ATX 12V Version 2.4
- 4 x PCIe Connectors
NZXT C650 650W 80 PLUS Gold Modular Power Supply
Key Features
- 650W Single +12V Rail
- 120mm Cooling Fan
- ATX 12V v2.4 / EPS 12V v2.92
- 4 x PCIe Connectors
Thermaltake Smart 430W 80 Plus Power Supply
Key Features
- 384W Single +12V Rail
- 120mm Fan with Intelligent RPM Controls
- Intel ATX12V Version 2.3
- 2 x PCI-E Connectors
YOUR RECENTLY VIEWED ITEMS
Choosing Power Supplies
Power supplies are essential components for many desktop computer systems. They sit inside the computer chassis and feature the socket that a power cord connects to. Choosing the right power supply is especially important for gamers and others who may be custom building PCs, since their choice determines if all their machines' components are able to run efficiently.
Choosing and Installing a Desktop PC Power Supply
Computer power supplies from brands such as EVGA and Corsair are ranked by efficiency in categories ranging from Bronze to Titanium. This creates a selection of products at different price points, to meet varying power needs. Choose a wattage that meets or exceeds the total watts used by all of your system's components, such as hard drives and graphics cards. Most computers won't need more than 750W, while large, more component-intensive systems require 1000W or 1200W power supplies.
When installing a power supply inside a computer case, it's important to make sure it doesn't restrict airflow so the inner workings remain cooled down. The power supply also has its own cooling fan, which runs with minimal noise. For laptop-based workstations, there are external breakaway box power supplies and expansion chassis that may provide additional PCIe slots.
What Makes a Power Supply Modular
You may see some power supply models described as modular, which means that their internal power cables are detachable from the supply, for a more customized installation. This is especially useful for gaming PC builds, because it lets you attach only the cables you need to the components inside the system, creating more room for airflow. In non-modular power supplies, the cables are permanently attached.
How Server Power Supplies Work
Servers need their own type of power supply for their unique requirements. They feature a different form factor to fit inside rack-mounted servers, and feature redundancies to help prevent any downtime, allowing servers to run continuously. Some server power supplies also offer switches so you can turn off the supply and the server with a switch rather than by removing the power cord.
Whether you're building your own personal PC or running a busy enterprise, B&H Photo and Video has the power supply gear you need to keep them running efficiently.
