Power Supplies - Showing 1225 - 1248 of 11999 Products
CableMod C-Series Pro ModMesh Sleeved 8-pin PCI-e Cable for Corsair RM Yellow ...
- Model #: LB08GJQMDFB
- Item #: 9SIVARYH6Z1054
- Return Policy: Nature Return Policy
Dell M178R Optiplex 780 180W 8-Pin USFF Desktop Power Supply
- Model #: M178R
- Item #: 9SIV1W87N60429
- Return Policy: The Best Part Inc. Return Policy
Lenovo 49P2150 Lenovo 200 Watt Atx Power Supply For Thinkcentre A50 S50
- Model #: 49P2150
- Item #: 9SIV1W87N60871
- Return Policy: The Best Part Inc. Return Policy
Dell M0148 Dell 250 Watt Power Supply For Dimension 2400 3000-M0148
- Parts: 30 DAYS WARRANTY
- Labor: 30 DAYS WARRANTY
- Model #: M0148
- Item #: 9SIV1W87PX2493
- Return Policy: The Best Part Inc. Return Policy
Switching Power Supplies 350.4W 24V 14.6A
- Model #: LB00NTDHWBU
- Item #: 9SIVARYH6Y7691
- Return Policy: Nature Return Policy
CableMod C-Series Pro ModMesh Sleeved 8-pin PCI-e Cable for Corsair RM Black ...
- Model #: LB08GJPJYF5
- Item #: 9SIVARYH6Z0432
- Return Policy: Nature Return Policy
Dell HCWV2 Optiplex 9020 255W 8-Pin Desktop Power Supply
- Brand: DELL
- Type: Desktop Power Supply
- Maximum Power: 255 W
- Fans: 1 Fan
- Weight: 5
- Model #: HCWV2
- Item #: 9SIV1W87PX1077
- Return Policy: The Best Part Inc. Return Policy
Industrial Open Frame 43.5W PT-45C Meanwell AC-DC Triple Output PT-45 Series MEAN WELL ...
- Model #: LB07CJTFJQG
- Item #: 9SIVARYH702942
- Return Policy: Nature Return Policy
Enclosed Type 150W 12V 12.5A RS-150-12 Meanwell AC-DC Single Output RS-150 Series ...
- Model #: LB07C5D7G9S
- Item #: 9SIVARYH701785
- Return Policy: Nature Return Policy
MyVolts 9V Power Supply Adaptor Replacement for Crosley CR8005A-OR Turntable - US Plug - ...
- Model #: LB06XHLPL19
- Item #: 9SIVARYH703630
- Return Policy: Nature Return Policy
JMT 2pcs 20/24Pins ATX Benchtop Power Adapter Board with USB 5V Port Computer ATX Power ...
- Model #: LB08FB26HJD
- Item #: 9SIVARYH701787
- Return Policy: Nature Return Policy
Industrial Open Frame 44.4W 12V 3.7A PS-45-12 Meanwell AC-DC Single Output PS-45 MEAN ...
- Model #: LB0180VZ0LO
- Item #: 9SIVARYH6Z9452
- Return Policy: Nature Return Policy
AC110-220v ATX Pc 2000W Power Supply 8 Graphics Card Ethereum ETH BTC Mining Antminer ...
- Model #: SAB09F6N4FK4
- Item #: 9SIVARYK4W9337
- Return Policy: Nature Return Policy
IBM 3D51-25-2 Power One 250w Power Supply 22R3958
- Model #: LB00IA46SJA
- Item #: 9SIVARYH702345
- Return Policy: Nature Return Policy
CableMod C-Series Pro ModMesh Sleeved 8-pin PCI-e Cable for Corsair RM Yellow ...
- Model #: LB08GJQ9HR2
- Item #: 9SIVARYH6Z0449
- Return Policy: Nature Return Policy
Aruba X382 54VDC 2700W AC Power Supply JL372AB2E
- Model #: JL372A
- Item #: 9SIV173KEC8931
- Return Policy: Digitzy Return Policy
SCHNEIDER ELECTRIC Phase O 24-VDC 3-AMP ABL8REM24030 PHASEO Power Supply 24VDC ...
- Model #: LB007ICD9ZQ
- Item #: 9SIVARYH6Z4101
- Return Policy: Nature Return Policy
[PowerNex] Mean Well HRP-75-7.5 7.5V 10A 75W Single Output with PFC Function Power ...
- Model #: LB01H334QV0
- Item #: 9SIVARYH700304
- Return Policy: Nature Return Policy
Enclosed Type 88W RD-85B Meanwell AC-DC Dual Output RD-85 Series MEAN WELL Switching ...
- Model #: LB01NCTOM86
- Item #: 9SIVARYH6Z8575
- Return Policy: Nature Return Policy
WatchGuard Power Supply T35-Rugged (EU)
- Model #: LB09979VS8K
- Item #: 9SIVARYH702107
- Return Policy: Nature Return Policy
SilverStone Technology Platinum Certified Single +12V Rail ATX Power Supply, PS-ST65F-PT
- Model #: LB017WL5UFO
- Item #: 9SIVARYH6W7350
- Return Policy: Nature Return Policy
MW Mean Well EPS-65S-12 12V 5.42A 65W Single Output Switching Power Supply
- Model #: LB0721XP6WF
- Item #: 9SIVARYH701418
- Return Policy: Nature Return Policy
865409-001 HPE 800W Flex Slot Platinum HOT Plug Low Halogen Power Supply KIT
- Model #: 865409-001New
- Item #: 9SIVSYTKUT1795
- Return Policy: SuZhouLiYuanLiXinBaiHuo Return Policy
CableMod C-Series Pro ModFlex Sleeved 8-pin PCI-e Cable for Corsair RM Black ...
- Model #: LB08GJQSSKK
- Item #: 9SIVARYH6Z0447
- Return Policy: Nature 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.
