Power Supplies - Showing 409 - 432 of 19090 Products
apevia atx-pm650w premier 650w 80+ gold certified active pfc atx semi-modular gaming ...
- Model #: RNAB09425ZHVZ
- Item #: 9SIVB0EH6W5939
- Return Policy: Best Electronics Return Policy
Tekpower TP-3005D-3 Triple Outputs Linear-Type DC Power Supply, 0-30 Volts 0-5 A
- Type: Isolation
- Model #: BHA0946ZXC
- Item #: 9SIVB0EJ0Z2002
- Return Policy: Best Electronics Return Policy
apevia atx-gx1000w galaxy 1000w 80+ gold certified active pfc atx semi-modular gaming ...
- Model #: RNAB0941WP4XB
- Item #: 9SIVB0EH6W5987
- Return Policy: Best Electronics Return Policy
Apevia ATX-GX850W Galaxy 850W 80+ Gold Certified Active PFC ATX Semi-Modular Gaming ...
- Model #: ATX-GX850W-0
- Item #: 9SIVB0EH6W5973
- Return Policy: Best Electronics Return Policy
30V 10A Adjustable DC Power Supply Precision Variable Dual Digital Lab Test 110V
- Model #: pss0922w41
- Item #: 9SIVB0EH6X9796
- Return Policy: Best Electronics Return Policy
apevia atx-sp700 spirit atx power supply with auto-thermally controlled 120mm fan, ...
- Model #: RNAB08BZYG24D
- Item #: 9SIVB0EH6W6032
- Return Policy: Best Electronics Return Policy
CableMod RT-Series Pro ModMesh Sleeved Cable Kit for ASUS and Seasonic (Carbon)
- Model #: LB07H1YC114
- Item #: 9SIVB0EHC06412
- Return Policy: Best Electronics Return Policy
CableMod C-Series Pro ModFlex Sleeved Cable Kit for Corsair RM Black Label/RMi/RMX ...
- Model #: LB089KQ34T4
- Item #: 9SIVB0EHYS8708
- Return Policy: Best Electronics Return Policy
orange amplification mt20psu micro terror power supply
- Model #: ADIB01D53KSK0
- Item #: 9SIV18MKTH9589
- Return Policy: Adorama Camera Return Policy
Mining Power Supply 2000W Support 8 GPU Cards for Power Supply PSU (110V-240V), Suitable ...
- Model #: LB09MJFBW2S
- Item #: 9SIVB0EHF21888
- Return Policy: Best Electronics Return Policy
24V Power Supply, AC 110V/220V to DC 0-24V 20A 480W Buck Converter Dual Display, ...
- Type: Other
- Model #: GB00728
- Item #: 9SIVB0EKAY9033
- Return Policy: Best Electronics Return Policy
16AWG Power Supply Cable Kit 30cm mod Sleeve Extension Sleeved Custom mod for PSU to ...
- Model #: LB086TWKM3W
- Item #: 9SIVB0EHC06376
- Return Policy: Best Electronics Return Policy
EZDIY-FAB PSU Extension Cable Sleeved Custom Mod PC Power Supply Cable, Soft Nylon ...
- Model #: LB082WW93HC
- Item #: 9SIVB0EHC06387
- Return Policy: Best Electronics Return Policy
12V LED Power Supply 500W Low Voltage Transformer Adapter,AC90-130V to DC12V 41.7A ...
- Type: Other
- Model #: GB00715
- Item #: 9SIVB0EKAY8946
- Return Policy: Best Electronics Return Policy
Apevia ATX-PM850W Premier 850W 80+ Gold Certified Active PFC ATX Semi-Modular Gaming ...
- Model #: ATX-PM850W-0
- Item #: 9SIVB0EH6W5952
- Return Policy: Best Electronics Return Policy
APC Smart-UPS, SMC1500-2UC 2U Rack Back-UPS, 1440 VA Backup Battery Power Supply, 6 x ...
- Model #: 840104332269
- Item #: 9SIV178KCF8684
- Return Policy: Aventis Systems Return Policy
APC Smart-UPS, SMX1000C 2U Convertible Rack/Tower Back-UPS, 1000 VA Backup Battery ...
- Model #: 840104332467
- Item #: 9SIV178KCF8679
- Return Policy: Aventis Systems Return Policy
MSI MAG A750BN PCIE5, Non-Modular Compact Gaming 750W Power Supply, 80+ Bronze, ...
- Brand: MSI
- Type: Intel ATX 12V
- Maximum Power: 750 W
- Fans: 1 x 120 mm
- PFC: Active
- Energy-Efficient: 80 PLUS BRONZE Certified
- Input Voltage: 100 - 240 V
- Model #: MAG A750BN PCIE5
- Item #: 9SIA4N9KHM7995
- Return Policy: Platinum Micro Inc. Power Supplies Return Policy
MSI MPG A1250GS PCIE5, Fully Modular Gaming 1250W Power Supply, 80+ Gold, Dual ...
- Brand: MSI
- Type: ATX12V
- Maximum Power: 1250 W
- Modular: Full Modular
- Fans: 1 x 135 mm
- PFC: Active
- +12V Rails: 2
- SATA Power Connector: 8
- Model #: MPG A1250GS PCIE5
- Item #: 9SIA4N9KG08138
- Return Policy: Platinum Micro Inc. Power Supplies Return Policy
APC Sine Wave UPS Battery Backup & Surge Protector, BR1350ms Tower Back-UPS, 1350 VA ...
- Model #: 840104332221
- Item #: 9SIV178KCF8667
- Return Policy: Aventis Systems Return Policy
APC Smart-UPS, SMX750C 2U Convertible Rack/Tower Back-UPS, 750 VA Backup Battery ...
- Model #: 840104332450
- Item #: 9SIV178KCF8674
- Return Policy: Aventis Systems Return Policy
APC Smart-UPS, SMTL750RM2UC 2U Rack/Tower Back-UPS, 750 VA Backup Battery Power ...
- Model #: 840104332412
- Item #: 9SIV178KCF8685
- Return Policy: Aventis Systems Return Policy
APC Smart-UPS, SMT3000RM2UC 2U Rack Back-UPS, 2880 VA Backup Battery Power Supply, ...
- Model #: 840104332351
- Item #: 9SIV178KCF8661
- Return Policy: Aventis Systems Return Policy
CORSAIR RMx Shift White Series, RM850x Shift White, 850 Watt, 80 PLUS GOLD, Fully Modular ...
- Brand: CORSAIR
- Series: RMx SHIFT Series™
- Type: ATX 3.0 Compatible
- Maximum Power: 850 W
- Modular: Full Modular
- Fans: 1 x 140 mm fluid dynamic bearing fan
- Energy-Efficient: 80 PLUS GOLD Certified
- Input Voltage: 100 - 240 V
- Model #: CP-9020274-NA
- Item #: 9SIA4N9KT79717
- Return Policy: Platinum Micro Inc. Power Supplies Return Policy
Tips for Buying a Computer Power Supply Unit (PSU)
Introduction
A computer power supply is one of the most crucial components in a computer, as it is responsible for providing stable and regulated power for the system. If you are shopping for a computer power supply, finding the ideal one will require you to consider several important criteria. Those criteria include the size and form factor of the case, the wattage requirement of the system, efficiency, and your internal cabling preference.
Size Standards
Computer power supplies are available in a variety of different sizes and form factors. It is crucial that the power supply unit (PSU) you select matches the size requirements of your case and motherboard. If you have a Mini ITX case for example, you cannot utilize a standard ATX power supply. For more information about power supply form factors, see below.
- ATX
The standard power supply size that will fit most mid-size and full-size tower cases. Some micro ATX cases can utilize ATX power supplies as well. - Mini ITX
Mini ITX power supplies are designed specifically for mini ITX systems but may also fit other small form factor computer cases. - SFX
SFX computer power supplies are smaller than standard ATX PSUs and are meant for micro ATX and other small form factor computer cases. - TFX
Another small form factor computer power supply that is thinner to fit micro ATX, Mini ITX, and other smaller systems.
Wattage
A computer power supply’s wattage rating is a measurement of how much power it can provide to the hardware. When shopping for a power supply, you need to consider how much power your computer system requires. To calculate your system’s power requirement, add up the power draw for all the components.
Start with the motherboard and processor, and then include graphics cards, system memory, storage devices, and other expansion cards. For an even better estimate, you should include USB devices, internal fans, and other accessories. Once you have your estimate, try to find a computer power supply that is capable of at least that. For a larger safety margin, you should get a PSU that is well above that minimum.
Cable Management
There are two cable management options for computer power supplies, modular and non-modular. Modular cabling allows you to connect and disconnect internal power cables from the power supply itself, so you can avoid having unused cables and connectors dangling inside the case. Computer power supplies that feature modular cabling typically cost more than those without it.
Efficiency
The efficiency of a computer power supply is a ratio of how much power it provides and how much power it draws. For instance, a power supply that provides 200 watts of power but pulls 400 watts from a power outlet has a 200/400 or 50% efficiency ratio. The more efficient your computer power supply is, the less it will cost you to operate.
One metric you can use to gauge efficiency is what level of 80 PLUS® certification a power supply has, if it any. The different levels of 80 PLUS certification include 80 PLUS, 80 PLUS Bronze, 80 PLUS Silver, 80 PLUS Gold, 80 PLUS Platinum, and 80 PLUS Platinum. The most basic certification is 80 PLUS, which indicates an efficiency rating of at least 80%. The other certifications rank from Bronze to Titanium, with the latter being the highest attainable. If computer power supply efficiency is a big concern for you, try to find one with a high level of 80 PLUS certification.

