Power Supplies - Showing 2041 - 2064 of 17941 Products
Refurbished: 1pcs for SR550 SR590 SR650 SR630 750W Power Supply FSF055 01GV266 ...
- Model #: 716837097792
- Item #: 9SIVB8UKX62979
- Return Policy: Magicpower Return Policy
Refurbished: For DDN SFA7700 Power Supply TDPS-1865AB A 1865W
- Model #: 722954730719
- Item #: 9SIVB8UKAA5666
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for 14 pin power supply HK380-16FP FSP280-40PA HK280-23FP 280W
- Model #: 716837089469
- Item #: 9SIVB8UKX60334
- Return Policy: Magicpower Return Policy
Refurbished: For CPR-1221-1M2LF 1200W Server Power Supply CPR-1221-1M21
- Model #: 726727734119
- Item #: 9SIVRWKKXA4032
- Return Policy: Nytke team Return Policy
Refurbished: GPR4820D For GOLDPOWER Communication Power Rectifier Module
- Model #: 724780778699
- Item #: 9SIVT8HKWF2848
- Return Policy: YunYunKeJiShiZhuangDian Return Policy
Refurbished: For M1Z-6375P3 ROHSEMACS Server Power Supply
- Model #: 722954730672
- Item #: 9SIVB8UKAA5653
- Return Policy: Magicpower Return Policy
Refurbished: For FSP300-60HHN 300-70PFU Computer Industrial Switching Power Supply ...
- Model #: 722954729034
- Item #: 9SIVB8UKAA5492
- Return Policy: Magicpower Return Policy
Refurbished: 1U 180W Power Supply FSP180-50MP With 2Pin
- Model #: 703454716625
- Item #: 9SIVB8UKAJ6108
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Advantech 2U 300W Switching Power Supply P2U-6300P ...
- Model #: 744623308890
- Item #: 9SIVB8UKD06416
- Return Policy: Magicpower Return Policy
Refurbished: For E500 12+4p Power Supply D15-220P FSP200-30AHBAA HK300-11PP
- Model #: 722954721823
- Item #: 9SIVB8UKAA6847
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 5040 7040 3650 3040 3046 8Pin 240W D240EPM-00 06WX7D ...
- Model #: 745635674997
- Item #: 9SIVB8UKDA0240
- Return Policy: Magicpower Return Policy
Refurbished: DPSN-220AB A 34-1665-01 800-18949-01 220W Module
- Model #: 722954730405
- Item #: 9SIVB8UKAA5638
- Return Policy: Magicpower Return Policy
Refurbished: S3518CN s3618CN Power Supply Desktop Pc6013 Pc6012 Mini Chassis Power ...
- Model #: 722954734243
- Item #: 9SIVB8UKAA5987
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 800W Switching Power Supply PS-2801-4H-LF
- Model #: 744623302553
- Item #: 9SIVB8UKCV8258
- Return Policy: Magicpower Return Policy
Refurbished: For APV 5200 SPR1C620 switching power supply
- Model #: 726727723670
- Item #: 9SIVRWKKXA2313
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 4P 500W Power Supply DPS-500AB-32 A DPS-500AB-32A ...
- Model #: 726099221484
- Item #: 9SIVB8UKCU6097
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for SPR1C350 9YA3500304 power supply SPR2C350 9YR3500406 power ...
- Model #: 792597712113
- Item #: 9SIVRWKKXD4640
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO R510 R910 DC 750W Switching Power Supply CPS750-D121 6GTF5 ...
- Model #: 744623301259
- Item #: 9SIVB8UKCV8125
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for RG-700W Rated 600W Desktop Computer Chassis Power Supply
- Model #: 792597717217
- Item #: 9SIVRWKKXD6878
- Return Policy: Nytke team Return Policy
Refurbished: Power Supply for 3850-48P/24P Series Switches PWR-C1-1100WAC
- Model #: 753525986655
- Item #: 9SIVB8UKAA8591
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Industrial computer power supply SH300A8H+P4 ENH-0135
- Model #: 745635673952
- Item #: 9SIVSY0KUR7886
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: KHACHIMO 1U 250W Switching Power Supply H1U-6250P H1U-6150P ...
- Model #: 744623303864
- Item #: 9SIVSY0KUS4023
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: For MC1800D-ES MC2600-ES Monitoring Module DC19V-60V
- Model #: 703454718568
- Item #: 9SIVB8UKAJ6317
- Return Policy: Magicpower Return Policy
Refurbished: For SS-400ET SS-350SFE SS-300SFD DP-1U25 SS-430HB SS-300ET Power ...
- Model #: 726727819724
- Item #: 9SIVRWKKXB1375
- 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.
