Power Supplies - Showing 2377 - 2400 of 17942 Products
Refurbished: For S26113-E564-V50-01 DPS-250AB-82 A power supply
- Model #: 726727723816
- Item #: 9SIVRWKKXA2362
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for AD202M48-1M4A switching power supply 48V50A switching power ...
- Model #: 792597714841
- Item #: 9SIVRWKKXD6096
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for R240-15K 240V 15KW communication power rectifier module
- Model #: 792597717934
- Item #: 9SIVRWKKXD7048
- Return Policy: Nytke team Return Policy
Refurbished: PBW 0F-12 For COSEL Original Disassembly Switching Power Supply +-12V 1A ...
- Model #: 724780778231
- Item #: 9SIVB8UKAA7630
- Return Policy: Magicpower Return Policy
Refurbished: For PS-5221-06 Delta DPS-220UB A CPB09-D220R X1700 Power Supply
- Model #: 703454719619
- Item #: 9SIVB8UKAJ6439
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO RS260-E4/RX8 750W Switching Power Supply DPS-750EB A ...
- Model #: 744623313214
- Item #: 9SIVB8UKD21721
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for G1W-3960V 960W server, power supply
- Model #: 792597986026
- Item #: 9SIVB8UKX57397
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO DC 48V 350W Switching Power Supply DGIN-6350F
- Model #: 744623311197
- Item #: 9SIVB8UKD12140
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for LED power supply LUP200S4.2N6P-DC 4.2V40A ultra-thin adapter
- Model #: 792597714988
- Item #: 9SIVRWKKXD5867
- Return Policy: Nytke team Return Policy
Refurbished: FPS-S-2200ADU00 2200W For FLEXTRONICS Server Switching Power Supply
- Model #: 753525958133
- Item #: 9SIVB8UKAA9044
- Return Policy: Magicpower Return Policy
Refurbished: For POEKSA-180S2-ADPS-200PB-185A/BDPS-280-4A KSA-300
- Model #: 726727729627
- Item #: 9SIVRWKKXA3067
- Return Policy: Nytke team Return Policy
Refurbished: MC1200B4-3-4R-02 12V 1200W Server Power Supply Platinum Power Supply
- Model #: 753525984934
- Item #: 9SIVB8UKAA9166
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for LCM600Q industrial power supply, medical power supply
- Model #: 792597727636
- Item #: 9SIVB8UKX32798
- Return Policy: Magicpower Return Policy
Refurbished: For HG2-6300P For Advantech Industrial Computer Server Power Supply
- Model #: 722954732102
- Item #: 9SIVSY0KUS0322
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: AC QFX5100 850W Power Supply FSC025 JPSU-850W-AC-AFI 740-053351
- Model #: 753525941081
- Item #: 9SIVB8UKAA4959
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for JPSU-850W-AC-AFO 850W AC QFX5100
- Model #: 792597704972
- Item #: 9SIVRWKKXD2626
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for DPS-1600AB-4 NETAPP power supply 114-00146 + 40 1600W power ...
- Model #: 716837084617
- Item #: 9SIVB8UKX58086
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO S10504 S10508 2500W Power Supply CAR2512FPB ...
- Model #: 759950248597
- Item #: 9SIVB8UKDF9513
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Power Supply For TDK-LAMBDA 100W Power Supply JWS100-5FF/C ...
- Model #: 759950244537
- Item #: 9SIVB8UKDA9174
- Return Policy: Magicpower Return Policy
Refurbished: For XPS 700, 710, 720 MG309 DR552 NG153 Power Supply
- Model #: 726727725643
- Item #: 9SIVRWKKXA2655
- Return Policy: Nytke team Return Policy
Refurbished: S26113-E567-V50-02 DPS-500XB A Server Power Supply
- Model #: 722954729386
- Item #: 9SIVB8UKAA5528
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for LSPM2150A, PSR150-A, S5500-28F-EI S5800 power supply
- Model #: 792597728251
- Item #: 9SIVB8UKX32955
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for T5-4 T5-8 M7-8 A261 SPAORCL-03G 7312064 3060w power supply
- Model #: 792597711420
- Item #: 9SIVRWKKXD4559
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for FSP1600-20FM 1600-29FM 1600W CRPS Power Supply
- Model #: 716837091257
- Item #: 9SIVB8UKX61004
- 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.
