Power Supplies - Showing 2257 - 2280 of 18293 Products
Refurbished: 1PCS for EPW460-12A-G 460W 38A
- Model #: 792597706631
- Item #: 9SIVRWKKXD3259
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO FSP -5V 1U 250W Switching Power Supply FSP250-601U ...
- Model #: 744623302782
- Item #: 9SIVB8UKCV8271
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 7080 SFF 6Pin 200W Power Supply 0KMJP5 0664DM 0HJ34C 664DM ...
- Model #: 744623310633
- Item #: 9SIVB8UKD12119
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Power Supply 652716-001 PS2329-YE 1-00075-04 1-00075-03
- Model #: 759950239540
- Item #: 9SIVB8UKDA0294
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO ITX FLEX NAS Small 1U A4 K39 S3 RTX2070 5700 RX5600XT ...
- Model #: 744623305936
- Item #: 9SIVB8UKD01931
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for SKN-SS-2KW/24V 24V to 220V 2000KW Inverter
- Model #: 792597719747
- Item #: 9SIVRWKKXD7502
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO PSU For FSP 1U 350W Switching Power Supply FSP350-70MU
- Model #: 744623303062
- Item #: 9SIVB8UKCW6073
- Return Policy: Magicpower Return Policy
Refurbished: For KW304-1331 30W
- Model #: 752804576372
- Item #: 9SIVRWKKXB2090
- Return Policy: Nytke team Return Policy
Refurbished: Power Supply For GE 1200W Power Supply CAR1212DCBL5Z02A
- Model #: 703454716250
- Item #: 9SIVB8UKAJ5991
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for CRPSHD550D2 280V server power supply 550W
- Model #: 792597727278
- Item #: 9SIVB8UKX32599
- Return Policy: Magicpower Return Policy
Refurbished: XL160-12 CS (XL160-3) For N2power 400013-01-7 160W AC-DC Power Supply
- Model #: 753525954562
- Item #: 9SIVB8UKAA0197
- Return Policy: Magicpower Return Policy
Refurbished: For PWS-521-1H power supply 520W 1U 1pcs
- Model #: 726727821147
- Item #: 9SIVRWKKXB1527
- Return Policy: Nytke team Return Policy
Refurbished: DPS-200PB-176A SFXA5061B Hard Disk Recorder Host Monitoring Power ...
- Model #: 722954727702
- Item #: 9SIVB8UKAA7460
- Return Policy: Magicpower Return Policy
Refurbished: V7000 main cabinet power supply 764W 00AR037 85Y6072 0955227-07
- Model #: 703454720837
- Item #: 9SIVSY0KUU3552
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: 1Pcs for FSP1200-50FS FSP1200-50FS Cage GPRS 500W 800W 1200W 2U ...
- Model #: 716837091462
- Item #: 9SIVB8UKX61057
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 77 75 73 82 73 14Pin 240W Power Supply 54y8874 54Y8897 ...
- Model #: 744623299426
- Item #: 9SIVB8UKCU6605
- Return Policy: Magicpower Return Policy
Refurbished: For P1S-2400V-R Server Module Power Supply 400W
- Model #: 726099251535
- Item #: 9SIVRWKKXD1495
- Return Policy: Nytke team Return Policy
Refurbished: Almost New Power Supply ENERMAX MODU 82+ 625W Power Supply ...
- Model #: 703454715062
- Item #: 9SIVSY0KUV4636
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: 800W Power Supply PWR-MX104-AC-S-B 700-010685-0000 740-045933
- Model #: 703454715857
- Item #: 9SIVB8UKAJ5950
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 1U 200W Power Supply SS-200U1 SS-200U1A-B1 In Good ...
- Model #: 744623317113
- Item #: 9SIVB8UKD64488
- Return Policy: Magicpower Return Policy
Refurbished: T5400 T5500 NPS-875BB A H875E-00 N875EF-00 0W299G 875W
- Model #: 753525985054
- Item #: 9SIVB8UKAA9167
- Return Policy: Magicpower Return Policy
Refurbished: LB-1800 LB1800W 1800W 10*6PIN 12V 4U
- Model #: 753525987782
- Item #: 9SIVB8UKAA8772
- 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 Power Supply for EPR-301 300W Work Good
- Model #: 753525957631
- Item #: 9SIVB8UKAA8997
- 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.
