Power Supplies - Showing 1897 - 1920 of 17993 Products
Refurbished: 1PCS for 480 288 G3 G6 DPS-500AB-32 A PCG007 PA-3401-1HA
- Model #: 792597706310
- Item #: 9SIVRWKKXD3219
- Return Policy: Nytke team Return Policy
Refurbished: 1pcs for 271-00057 BAT 2S1P-2 battery
- Model #: 792597722426
- Item #: 9SIVRWKKXD8438
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO Power Supply For E-energy 24V15A 360W For N360V24
- Model #: 759950244254
- Item #: 9SIVB8UKDA9140
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO TFX 180W Switching Power Supply PC180AAA PC180
- Model #: 744623302232
- Item #: 9SIVB8UKCV8227
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for HK550-11PEP HK650-11PEP Industrial Control Server, Dual CPU ...
- Model #: 792597715770
- Item #: 9SIVRWKKXD6410
- Return Policy: Nytke team Return Policy
Refurbished: R162-Z10 1U Rack Mounted Server Rail 25HB2-3A0202-K0R
- Model #: 724780779443
- Item #: 9SIVB8UKAA6763
- Return Policy: Magicpower Return Policy
Refurbished: For PSR650B-12A1 Power Supply 650W PSR650B-12A1H YM2651B
- Model #: 726099253676
- Item #: 9SIVRWKKXD1966
- Return Policy: Nytke team Return Policy
Refurbished: 2000W Power Supply EFRP-SB09
- Model #: 753525941128
- Item #: 9SIVB8UKAA4974
- Return Policy: Magicpower Return Policy
Refurbished: 30-45494-01 SWXRA-GA RA3000 Power Supply
- Model #: 722954732089
- Item #: 9SIVB8UKAA5818
- Return Policy: Magicpower Return Policy
Refurbished: For 500W M1 K39 M41 K49NAS power supply
- Model #: 792597703388
- Item #: 9SIVRWKKXD2271
- Return Policy: Nytke team Return Policy
Refurbished: For BDP DZY-48/15H Communication Power Monitoring Module
- Model #: 753525957716
- Item #: 9SIVT8HKWF3067
- Return Policy: YunYunKeJiShiZhuangDian Return Policy
Refurbished: 1Pcs for FSP300-60PLN industrial computer power supply ...
- Model #: 716837089810
- Item #: 9SIVB8UKX60497
- Return Policy: Magicpower Return Policy
Refurbished: B320I B325 B520E B340 750 10088 HKF2502-3A Power Supply 250W
- Model #: 722954726828
- Item #: 9SIVB8UKAA7359
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for S7502 S6502 Power Supply PSR300-A PSR300-D
- Model #: 716837083085
- Item #: 9SIVB8UKX57497
- Return Policy: Magicpower Return Policy
Refurbished: Power Rectifier Module ESR-48/10B A 54.3V 10A REV 0.1
- Model #: 724780183257
- Item #: 9SIVB8UKA98949
- Return Policy: Magicpower Return Policy
Refurbished: Server Power Supply R430 R440 T430 R530 FSD061-241G2 AC450E-S1 ...
- Model #: 753525955767
- Item #: 9SIVB8UKAA8790
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for ZTKD048-50A Communication power supply 48V50A
- Model #: 716837094487
- Item #: 9SIVB8UKX62126
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 12V24V 150W Power Supply HDZ1502-3C
- Model #: 744623315850
- Item #: 9SIVB8UKD46472
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for FSP720-20RGGBE1 FSP520-20RGGBB1 DPS-650UB G C ACE-716AP ...
- Model #: 716837087021
- Item #: 9SIVB8UKX59357
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for JPSU-650W-DC-AFO 650W QFX5100 switching power supply
- Model #: 792597727087
- Item #: 9SIVB8UKX32621
- Return Policy: Magicpower Return Policy
Refurbished: For H3C S7503E S7506E Switch Power Supply LSQM1AC1400 PSR1400-A
- Model #: 722954733222
- Item #: 9SIVSY0KUT4487
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: KHACHIMO POWER 550W Switching Power Supply HK650-11PEP
- Model #: 726099222207
- Item #: 9SIVB8UKCU6142
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 1200W Power Supply PWS-1K22A-1R
- Model #: 759950243141
- Item #: 9SIVB8UKDA8918
- Return Policy: Magicpower Return Policy
Refurbished: YM-2651B 650W Redundant Power Supply Module C200M1 C210M1 Server ...
- Model #: 753525956016
- Item #: 9SIVB8UKAA8792
- 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.
