Power Supplies - Showing 1249 - 1272 of 11996 Products
Silverstone Strider Platinum ST55F-PT 80 Plus Platinum Certified 550W ATX Power Supply, ...
- Model #: LB09P3VW1TN
- Item #: 9SIVARYH6Y3081
- Return Policy: Nature Return Policy
MW Mean Well LPP-150-48 48V 3.2A 152W Single Output with PFC Function Power Supply
- Model #: LB072TTJXTC
- Item #: 9SIVARYH6Y9832
- Return Policy: Nature Return Policy
YOOPKA Switching Power Supply Small Volume 12V 40A 480W Switching Power Supply Driver ...
- Model #: SAB0C5HLKXPX
- Item #: 9SIVARYK4Z1276
- Return Policy: Nature Return Policy
GinTai Power Module Controller Battery Replacement for Dell EqualLogic PS4100 PS4110 ...
- Model #: LB082WHG5T2
- Item #: 9SIVARYH701243
- Return Policy: Nature Return Policy
RAIDMAX Vortex 500W ATX 12V v2.3 / EPS 12V SLI Ready Crossfire Ready 80 Plus Bronze ...
- Model #: LB0849K4PJX
- Item #: 9SIVARYH6Y3108
- Return Policy: Nature Return Policy
PSU for M800z M900z M8350z Power Supply HKF1501-3B PA-1151-1 APE004
- Model #: SAB0C5FRQMC4
- Item #: 9SIVARYK4Z0910
- Return Policy: Nature Return Policy
1-468-417-71 Sony Power Supply For Pcv-Rx450 And Pcv-Rx460
- Model #: 1-468-417-71
- Item #: 9SIV1W87N60251
- Return Policy: The Best Part Inc. Return Policy
BitFenix Formula 80 Plus Gold Standard ATX PSU 650W BF-650G, BP-FM650ULAG-7R
- Model #: LB0776XSRJJ
- Item #: 9SIVARYH6Y5484
- Return Policy: Nature Return Policy
Valcom Wall Rack or Wall Mount 600 mA Power Supply
- Model #: LB00ILCVNV4
- Item #: 9SIVARYH6Z4259
- Return Policy: Nature Return Policy
MEAN WELL NDR-120-24 Single Output Industrial DIN Rail Power Supply, 24 Volts 5 Amps 120 ...
- Model #: LB00R5CI1W0
- Item #: 9SIVARYH6X6122
- Return Policy: Nature Return Policy
500W 2.3V ATX Power Supply
- Model #: LB004NBZ88Q
- Item #: 9SIVARYH702822
- Return Policy: Nature Return Policy
CableMod C-Series Pro ModMesh Sleeved Cable Kit for Corsair RM Black Label/RMi/RMX ...
- Model #: LB0799DB6KB
- Item #: 9SIVARYH6Z1056
- Return Policy: Nature Return Policy
Enclosed Type 108W 24V 4.5A NES-100-24 Meanwell AC-DC Single Output NES-100 Series ...
- Model #: LB07C58GYG3
- Item #: 9SIVARYH6Z8391
- Return Policy: Nature Return Policy
Bescor PS260 6V 1.5A Power Supply Terminated 2.1mm Power Plug
- Model #: LB00FURHGLY
- Item #: 9SIVARYH6Z9325
- Return Policy: Nature Return Policy
PWS-563-1H Power Supply 560W 24pin 80 Plus Gold
- Model #: TGM2-PWS-563-1H
- Item #: 9SIVB99KMX1907
- Return Policy: Compiston Store Return Policy
Lenovo Hp-A2307F3P Lenovo 230 Watt Power Supply For Thinkcentre-Hp-A2307F3P
- Model #: HP-A2307F3P
- Item #: 9SIV1W8CYE2352
- Return Policy: The Best Part Inc. Return Policy
CableMod C-Series Pro ModMesh Sleeved Cable Kit for Corsair RM Black Label/RMi/RMX ...
- Model #: LB0799CGYN5
- Item #: 9SIVARYH6Z1858
- Return Policy: Nature Return Policy
Seasonic FOCUS PX-550, 550W 80+ Platinum Full-Modular, Fan Control in Fanless, Silent, ...
- Model #: LB07W92T29L
- Item #: 9SIVARYH6W4811
- Return Policy: Nature Return Policy
[PowerNex] Mean Well QP-320D 5V +/-12V 24V 2A 3A 10A 20A 316W Quad Output with PFC ...
- Model #: LB017U4CHB8
- Item #: 9SIVARYH6Z7532
- Return Policy: Nature Return Policy
LED Driver 90W 24V 3.75A LPF-90-24 Meanwell AC-DC SMPS LPF-90 Series MEAN WELL ...
- Model #: LB018155CJ4
- Item #: 9SIVARYH6Y8165
- Return Policy: Nature Return Policy
Whatsminer P221C Power Supply, 95% Power Efficiency PSU for 12V Whatsminer Miner Mining ...
- Model #: KB0BFFL8XR4
- Item #: 9SIVARYKD56294
- Return Policy: Nature Return Policy
PWR SUPPLY, 250W, P/N: 152769-001, REV.G, 153652-004
- Model #: LB00B871LOS
- Item #: 9SIVARYH701259
- Return Policy: Nature Return Policy
Magtech M18-U54-0350 350Ma Con. Cur. 32-54Vdc 20W, LED Dimmable 7264
- Model #: LB0838JSZ2B
- Item #: 9SIVARYH6Z8967
- Return Policy: Nature Return Policy
HP 412211-001 700W Hot-Plug Power Supply Proliant DL360 G5 DL365 G1 Servers
- Model #: LB00DUGGRE4
- Item #: 9SIVARYH6Z8174
- 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.
