Power Supplies - Showing 409 - 432 of 19090 Products
60V Power Supply, AC 110V 220V to DC 0-60V 8A 480W Buck Converter Dual Display, Variable ...
- Type: Other
- Model #: GB00730
- Item #: 9SIVB0EKAY9039
- 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
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 C-Series Pro ModFlex Sleeved Cable Kit for Corsair RM Black Label/RMi/RMX ...
- Model #: LB089KQ34T4
- Item #: 9SIVB0EHYS8708
- Return Policy: Best Electronics Return Policy
ROG Strix 850W White Edition PSU, Power Supply (ROG heatsinks, Axial-tech Fan Design, ...
- Model #: BH0Q7E5ZCX
- Item #: 9SIVB0EHZ88963
- Return Policy: Best Electronics Return Policy
240W Power Supply for Dell Optiplex 3040 5040 7040 3650 3656 SFF 0THRJK 4GTN5
- Model #: a23-683025000274473
- Item #: 9SIVB0EHW03731
- Return Policy: Best Electronics Return Policy
PowerSpec 650 Watt 80 Plus Gold Fully Modular SFX Power Supply Active PFC SLI Crossfire ...
- Model #: LB09P3PPC84
- Item #: 9SIVB0EHC06398
- Return Policy: Best Electronics Return Policy
SilverStone Technology 750W 80 Plus Platinum Certified Single +12V Rail ATX Power Supply, ...
- Model #: LB016XMO12G
- Item #: 9SIVB0EHYS8703
- Return Policy: Best Electronics Return Policy
240W Switching Power Supply for Dell Optiplex 3040 5040 7040 3650 3656 SFFPart Number ...
- Model #: LzFIr-B07FQ3QJ7M
- Item #: 9SIVB0EHF21267
- Return Policy: Best Electronics Return Policy
iFi AUDIO Power Station AC Power Bar
- Model #: 306036
- Item #: 9SIV18MKGP7670
- Return Policy: Adorama Camera 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, SMT2200C Tower Back-UPS, 1920 VA Backup Battery Power Supply, 8 x NEMA ...
- Model #: 840104332399
- Item #: 9SIV178KCF8677
- Return Policy: Aventis Systems Return Policy
APC Smart-UPS, SMTL1000RM2UC 2U Rack/Tower Back-UPS, 1000 VA Backup Battery Power ...
- Model #: 840104332429
- Item #: 9SIV178KCF8663
- Return Policy: Aventis Systems Return Policy
APC Smart-UPS, SMC1500C Tower Back-UPS, 1440 VA Backup Battery Power Supply, 8 x NEMA ...
- Model #: 840104332283
- Item #: 9SIV178KCF8664
- Return Policy: Aventis Systems Return Policy
APC UPS Battery Backup & Surge Protector, BK500BLK Tower Back-UPS, 500 VA Backup Battery ...
- Model #: 840104332214
- Item #: 9SIV178KCF8662
- Return Policy: Aventis Systems Return Policy
QNAP 7500W Redundant Power Supply PWRPSU750WCW01
- Model #: PWRPSU750WCW01
- Item #: 9SIV0Z4K9F6575
- Return Policy: Compute4Less Corp Return Policy
Battery Technology Inc. RBC22-SLA22-BTI#1 RBC22 REPLACEMENT UPS BATT APC
- Model #: BA#RBC22SLA22BTI1
- Item #: 9SIV1PDABF3219
- Return Policy: Technology Galaxy Return Policy
Intelligent Lcd Cp1350avrlcd 1350 Va Tower Ups
- Model #: 32e-275723000132042
- Item #: 9SIV1PD9075556
- Return Policy: Technology Galaxy Return Policy
APC Lithium-Ion UPS Battery Backup & Surge Protector, SCL500RM1UC 1U Rack, 500 VA ...
- Model #: 840104332245
- Item #: 9SIV178KCF8676
- Return Policy: Aventis Systems 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.
