Power Supplies - Showing 1993 - 2016 of 17942 Products
Refurbished: 1PCS for 300-2186-02 T5220 T5440 X4450 DC 660W
- Model #: 792597713400
- Item #: 9SIVRWKKXD4903
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for 2950 DC, Power Supply 7001263-Y000 GW149 GM928 X264D
- Model #: 792597710188
- Item #: 9SIVRWKKXD4285
- Return Policy: Nytke team Return Policy
Refurbished: EPS30-4815 Power System Monitoring EPMU03
- Model #: 703454718247
- Item #: 9SIVB8UKAJ6297
- Return Policy: Magicpower Return Policy
Refurbished: Power Supply D300ED-00 L300E-00, PS-6301-3DA H197R Y737P
- Model #: 722954722141
- Item #: 9SIVSY0KUU6860
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: 1Pcs for PS-2551-7L server power supply 12V, 45A, 550W redundant power ...
- Model #: 792597721009
- Item #: 9SIVRWKKXD7968
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for 81Y2432 59Y5260 DS5020 controller battery
- Model #: 726099252860
- Item #: 9SIVRWKKXD1821
- Return Policy: Nytke team Return Policy
Refurbished: QUINT-ORING/24DC/2X20/1X40 2320186
- Model #: 753525948721
- Item #: 9SIVB8UKAA0042
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 15V 7A 100W For PBA100F-15 PBA100F PBA100F-15-N
- Model #: 759950243103
- Item #: 9SIVB8UKDA8949
- Return Policy: Magicpower Return Policy
Refurbished: PowerEdge 830 840 PE840 Power GD278 NPS-420ABE
- Model #: 722954722455
- Item #: 9SIVB8UKAA6902
- Return Policy: Magicpower Return Policy
Refurbished: For VAT-H400S-5-60L 5V80A_ LED Display Switch Power Supply
- Model #: 703454717691
- Item #: 9SIVB8UKAJ6204
- Return Policy: Magicpower Return Policy
Refurbished: For 2720 AIO Power Supply XPS One 2710 235W PSU L235EA-00 53WG5
- Model #: 726727732726
- Item #: 9SIVRWKKXA3665
- Return Policy: Nytke team Return Policy
Refurbished: AC-044 J DPS-600RB A Power Distribution Board Power Backboard
- Model #: 703454719428
- Item #: 9SIVB8UKAJ6370
- Return Policy: Magicpower Return Policy
Refurbished: New For Artesyn Power Supply LPS43
- Model #: 753525991994
- Item #: 9SIVB8UKAA8228
- Return Policy: Magicpower Return Policy
Refurbished: For CEHP300-12A Power Module
- Model #: 752804577539
- Item #: 9SIVRWKKXB2207
- Return Policy: Nytke team Return Policy
Refurbished: LWQ130-5FF4 For TDK-LAMBDA Power Supply 5V+-15V 24V
- Model #: 753525956832
- Item #: 9SIVB8UKAA8923
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for XPS5880 3880 3681 3690 3890 7080 8940 7090MT Power supply ...
- Model #: 792597707379
- Item #: 9SIVRWKKXD3485
- Return Policy: Nytke team Return Policy
Refurbished: Communication Power Module PDC150WA
- Model #: 703454718278
- Item #: 9SIVB8UKAJ6257
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for GW-CRPS800S redundant power supply GW-CRPS800S-2H server ...
- Model #: 792597704354
- Item #: 9SIVRWKKXD2521
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO DVR NVR 20Pin IDE*4 250W Switching Power Supply ...
- Model #: 744623313719
- Item #: 9SIVB8UKD21780
- Return Policy: Magicpower Return Policy
Refurbished: PBA600F-24-XAACC 100-240Vac 50-60Hz 8.2A Switch Power Supply
- Model #: 753525986167
- Item #: 9SIVB8UKAA8493
- Return Policy: Magicpower Return Policy
Refurbished: For XPS 2710 AIO Power Supply, 0N6G7, 53WG5, 235W
- Model #: 752804579397
- Item #: 9SIVRWKKXB2463
- Return Policy: Nytke team Return Policy
Refurbished: For EFRP-3400SV1 Redundant Power Supply 3U EFRP-400
- Model #: 703454719268
- Item #: 9SIVB8UKAJ6354
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO M6300 75 6800 5050 4900 TS140 14Pin 180W Power Supply ...
- Model #: 744623308593
- Item #: 9SIVB8UKD06391
- Return Policy: Magicpower Return Policy
Refurbished: For 02311DEP S5300V3 Storage Server PAC800D1205-CE 800W
- Model #: 726727775952
- Item #: 9SIVRWKKXA5072
- Return Policy: Nytke team 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.
