Power Supplies - Showing 1897 - 1920 of 17933 Products
Refurbished: KHACHIMO 80plus Platinum ITX FLEX POS Small 1U K39 K17 K30 S3 G5 Rated ...
- Model #: 726099222160
- Item #: 9SIVB8UKCU6177
- Return Policy: Magicpower Return Policy
Refurbished: RICA2551A Network Storage Server Power Supply
- Model #: 703454719770
- Item #: 9SIVB8UKAJ6409
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 250W Power Supply GW-A250SDHA-AA
- Model #: 744623316291
- Item #: 9SIVB8UKD46496
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO C6100 C6105 470W Switching Power Supply PS-2471-1L GW3M5 ...
- Model #: 744623310794
- Item #: 9SIVB8UKD12087
- Return Policy: Magicpower Return Policy
Refurbished: LDA75F-24 24V3.2A Switching Mode Power Supply
- Model #: 724780181239
- Item #: 9SIVB8UKA98780
- Return Policy: Magicpower Return Policy
Refurbished: For F5 FNP300-1012S144G 3600 1600 3900 PWR-0130-05
- Model #: 724780181611
- Item #: 9SIVB8UKA98831
- Return Policy: Magicpower Return Policy
Refurbished: For DPS-250AB-81A 250W switch power supply
- Model #: DPS-250AB-81A
- Item #: 9SIVRWKKXB2587
- Return Policy: Nytke team Return Policy
Refurbished: PLA50F-24-N1 For COSEL 50W INPUT AC100-240V 50-60Hz 0.7A OUTPUT 24V ...
- Model #: 753525948523
- Item #: 9SIVB8UKAA0009
- Return Policy: Magicpower Return Policy
Refurbished: PSU For H3C Liteon POE S5500 5120 Power Supply PSL520-AD PA-2521-1H
- Type: ATX
- Model #: 703454729731
- Item #: 9SIVSY0KUT7920
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: For M1P-2500V 500W power supply 250W
- Model #: 726727725827
- Item #: 9SIVRWKKXA2638
- Return Policy: Nytke team Return Policy
Refurbished: 1pcs for power module 73-554-0330 code 4LL 4NN outputs dual 12V and 15V
- Model #: 792597722310
- Item #: 9SIVRWKKXD8463
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 58 6100 280W Power Supply PS-5241-01VF PC7071 PC7001 ...
- Model #: 744623300405
- Item #: 9SIVB8UKCU6735
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for BPS BPS-550SP industrial control power supply
- Model #: 792597983322
- Item #: 9SIVB8UKX56857
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Workstation Z1 G2 400W Power Supply DPS-400AB-15 A ...
- Model #: 744623317809
- Item #: 9SIVB8UKD64760
- Return Policy: Magicpower Return Policy
Refurbished: Power Supply LWQ80-5225
- Model #: 753525991826
- Item #: 9SIVB8UKAA8117
- Return Policy: Magicpower Return Policy
Refurbished: For P1P-5400V P1H-5400V 400W Server Industrial Computer Power Supply
- Model #: 703454719404
- Item #: 9SIVB8UKAJ6366
- Return Policy: Magicpower Return Policy
Refurbished: For DM1W-6500F (ROHS) 500W power module
- Model #: 726727721775
- Item #: 9SIVRWKKXA2197
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 5V 12V 150W Power Supply PSD150-05DC
- Model #: 759950240355
- Item #: 9SIVB8UKDA0410
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for ST-220FAB-05E 220W 1U power supply Industrial equipment power ...
- Model #: 792597716371
- Item #: 9SIVRWKKXD6534
- Return Policy: Nytke team Return Policy
Refurbished: 1pcs for 1200W 078-000-063 078-000-064 078-000-084 078-000-085
- Model #: 716837098126
- Item #: 9SIVB8UKX63085
- Return Policy: Magicpower Return Policy
Refurbished: Puli 1U 915 Power Supply P4-350 ATX-300T
- Model #: 753525943078
- Item #: 9SIVB8UKAA5239
- Return Policy: Magicpower Return Policy
Refurbished: For 59Y5502 42D3345 81Y2437 DS5020 Storage Power Supply TDPS-600DB A
- Model #: 722954722868
- Item #: 9SIVB8UKAA6962
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 600W Switching Power Supply ATX-1560GA1
- Model #: 744623307688
- Item #: 9SIVB8UKD06438
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 1U 250W Switching Power Supply FSP250-50FGNC FSP250-50GUB
- Model #: 744623312279
- Item #: 9SIVB8UKD19550
- 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.
