Power Supplies
1-30 of 175
SeaSonic Electronics Prime Ultra Gold Series 1000W 80 Plus Gold Modular ATX Power Supply
Thermaltake Toughpower 750W 80 PLUS Gold Modular Power Supply (Black)
Key Features
- 750W Maximum Output Capacity
- 80 PLUS Gold Certified and Haswell Ready
- 12 x 5-Pin SATA Connectors
- 4 x PCIe (6 + 2-Pin) Connectors
Other Buying Options
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 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
Thermaltake Smart 80 PLUS Power Supply (500W)
SeaSonic Electronics Prime Ultra 750W Platinum Modular Power Supply
ASUS Republic of Gamers Thor 850W 80 Plus Platinum Modular Power Supply
Key Features
- 850W +12V Rail
- 135mm Wing-Blade Cooling Fan
- Intel ATX12V
- 4 x 6+2-Pin PCIe Connectors
SeaSonic Electronics Prime Ultra Titanium Series 750W 80 Plus Titanium Modular ATX Power Supply
be quiet! Dark Power Pro 11 1000W 80 Plus Platinum Modular Power Supply
Key Features
- 996W Four +12V Rails
- 135mm Cooling Fan
- ATX 12V 2.4 / EPS 12 V 2.92
- 9 x PCIe Connectors
Thermaltake Smart Pro RGB Bronze Series Fully Modular Power Supply (850W)
SeaSonic Electronics FOCUS GM 550W 80 Plus Gold ATX Power Supply
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
be quiet! Pure Power 11 600W Power Supply
Key Features
- 600W Dual +12 Rails
- Non-Modular Design
- Intel ATX 12V Version 2.4
- 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
Thermaltake Smart Active-PFC 80 PLUS Power Supply (600W)
Cooler Master MasterWatt 750 750W 80 Plus Bronze Semi-Modular Power Supply
Key Features
- 750W Single +12V Rail
- 120mm Cooling Fan
- Intel ATX 12V Version 2.4
- 4 x PCI-e Connectors
Thermaltake Toughpower GF1 850W 80 PLUS Gold Modular ATX Power Supply
Key Features
- 850W Single +12V Rail
- 140mm Cooling Fan
- 6 x PCIe Connectors
- 12 x SATA Connectors
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
SeaSonic Electronics PRIME Titanium Fanless 600W 80 Plus Titanium Power Supply
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 500W CM Power Supply
Key Features
- 500W Dual +12V Rails
- Modular Design
- Intel ATX 12V Version 2.4
- 2 x PCIe Connectors
SilverStone Strider Series 850W 80 Plus Platinum Modular Power Supply
Key Features
- 850W Single +12V Rail
- 120mm Silent Cooling Fan
- Intel ATX12V Version 2.4
- 4 x 8/6-Pin PCIe Connectors
Thermaltake Smart BX1 750W 80 PLUS Bronze ATX Power Supply
Key Features
- 750W Single +12V Rail
- 120mm Cooling Fan
- ATX12V 2.3 / EPS 12V 2.92
- 4 x PCIe Connectors
Thermaltake Toughpower Grand RGB 750W 80 PLUS Gold Modular ATX Power Supply
Key Features
- 750W Single +12V Rail
- 140mm Cooling Fan
- ATX12V 2.4 / EPS 12V 2.92
- 4 x PCIe Connectors
ASUS Republic of Gamers STRIX 650W 80 Plus Gold Modular ATX Power Supply
Key Features
- 650W Single +12V Rail
- 135mm Cooling Fan
- 4 x 6+2-Pin PCIe Connectors
- 8 x SATA Connectors
Cooler Master V850 Gold V2 850W 80 PLUS Gold Modular Power Supply (White)
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
be quiet! Straight Power 11 850W 80 Plus Gold Modular Power Supply
Key Features
- 849.6W Four +12V Rails
- 135mm Cooling Fan
- ATX 12V v2.4 / EPS 12V v2.92
- 4 x PCIe Connectors
Thermaltake Smart Active-PFC 80 PLUS Power Supply (700W)
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
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.
