Power Supplies - Showing 1945 - 1968 of 17937 Products
Refurbished: 2Pcs for R2A-BV0300-N server power supply U1A-B10300-DR 300W power ...
- Model #: 716837083641
- Item #: 9SIVB8UKX57613
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS For DP1S-2400V-R Power Supply 400W DP1S-2300V-R
- Model #: 792597703708
- Item #: 9SIVRWKKXD2425
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO C7000 2250W Switching Power Supply 7001133-Y000 ...
- Model #: 744623305356
- Item #: 9SIVB8UKD01844
- Return Policy: Magicpower Return Policy
Refurbished: For FSP200-61DL SPI180F-4BS FSP200-62DL Industrial Control Power Supply
- Model #: 722954731686
- Item #: 9SIVB8UKAA5759
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for Optiplex7010PLUS Desktop Power Supply 3000 5000 7000MT 460W ...
- Model #: 792597982295
- Item #: 9SIVB8UKX56685
- Return Policy: Magicpower Return Policy
Refurbished: Power 16W Power Supply IHTAA-16W
- Model #: 753525945218
- Item #: 9SIVB8UKA99588
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for 3647 small chassis power supply
- Model #: 792597984121
- Item #: 9SIVB8UKX57071
- Return Policy: Magicpower Return Policy
Refurbished: 1 PCS 241115.105 Eltek flatpack2 48/2000 he 53.5v37.4a Rectifier Module
- Model #: 753525932805
- Item #: 9SIVB8UKA99068
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for EPW460-12A-G 460W 38A
- Model #: 792597706631
- Item #: 9SIVRWKKXD3259
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 4.6V40A 200W For MDP200-4.6G
- Model #: 759950240461
- Item #: 9SIVB8UKDA0408
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO ORION-D3202PM Server Power Supply
- Model #: 745635674140
- Item #: 9SIVB8UKDA0174
- Return Policy: Magicpower Return Policy
Refurbished: 13.8V 40A 460W Server Power Shortwave Radio Home Car Communication ...
- Model #: 722954735424
- Item #: 9SIVB8UKAA6153
- Return Policy: Magicpower Return Policy
Refurbished: For PFE1100-12-054NA331 AC/DC CONVERTER 12V 5V 1100W
- Model #: 722954731778
- Item #: 9SIVB8UKAA5749
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO X3650M5 X3550M5 X3500M5 550W Switching Power Supply ...
- Model #: 744623301969
- Item #: 9SIVB8UKCV8212
- Return Policy: Magicpower Return Policy
Refurbished: For HWS600-12 HWS600-5 HWS600-48 HWS600-24 -15 -36 /ME /PV
- Model #: 722954736179
- Item #: 9SIVSY0KUV3365
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: 1Pcs for NF8480M4 Power Supply 800W SP810
- Model #: 792597984954
- Item #: 9SIVB8UKX57161
- Return Policy: Magicpower Return Policy
Refurbished: For 078-000-123/103/092/132 VNX5200/5400/5600/7600
- Model #: 752804572381
- Item #: 9SIVRWKKXA2163
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO FLEX POS Small 1U 200W Switching Power Supply GPS-200DB A ...
- Model #: 744623306629
- Item #: 9SIVB8UKD06261
- Return Policy: Magicpower Return Policy
Refurbished: For T420 T320 350W 550W Cooling Power Supply 96R8Y F550E-S0 2G4WR ...
- Model #: 792597702756
- Item #: 9SIVRWKKXD2182
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO Power Supply For Power-one 504W Power Supply SPABRCD-09G ...
- Model #: 759950242496
- Item #: 9SIVB8UKDA8860
- Return Policy: Magicpower Return Policy
Refurbished: For EFRP-S60BU 600W Disk Array Power Supply 55-120679
- Model #: 726727722130
- Item #: 9SIVRWKKXA2208
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 450W Switching Power Supply ST-450PAP
- Model #: 744623311753
- Item #: 9SIVB8UKD19654
- Return Policy: Magicpower Return Policy
Refurbished: Small 1U 250W Switching Power Supply FSP250-50GUB FSP200-50GUB ...
- Model #: 753525935769
- Item #: 9SIVB8UKA99403
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for 1u power supply FSP400-601UG industrial computer server 400W dual ...
- Model #: 716837090052
- Item #: 9SIVB8UKX60627
- Return Policy: Magicpower 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.
