Power Supplies - Showing 1969 - 1992 of 17931 Products
Refurbished: For AD22002-2 DC Screen Charging Module High-Frequency Switching Power ...
- Model #: 722954732232
- Item #: 9SIVB8UKAA5784
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for CAB300-C/SP3-002 Current Sensor
- Model #: 792597720941
- Item #: 9SIVRWKKXD7971
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO Power Supply For XP POWER Power Supply X9-4U4U-0012
- Model #: 759950241918
- Item #: 9SIVB8UKDA8764
- Return Policy: Magicpower Return Policy
Refurbished: Server Power Supply P1H-6400P 1U 400W
- Model #: 724780182335
- Item #: 9SIVB8UKA98873
- Return Policy: Magicpower Return Policy
Refurbished: For 12 + 4 pin GW-TFX200AHD ATX200-30TFX
- Model #: 752804576471
- Item #: 9SIVRWKKXB2120
- Return Policy: Nytke team Return Policy
Refurbished: For PWS-1K02A-1R 1000W Server, Power Supply
- Model #: 726727816938
- Item #: 9SIVRWKKXB0685
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for AVR100-200L 30-100V 200A 20KW Charging Pile Module
- Model #: 792597721993
- Item #: 9SIVRWKKXD8183
- Return Policy: Nytke team Return Policy
Refurbished: 1pcs for U1D-K10400-DRB power module, output 400w
- Model #: 792597712335
- Item #: 9SIVRWKKXD4762
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO QNAP NAS 500W Power Supply M1P-2500V
- Model #: 726099222825
- Item #: 9SIVB8UKCU6284
- Return Policy: Magicpower Return Policy
Refurbished: 7060 5060 3060 MT Power Supply L260AM-00 H260EBM-00AC260AM-00 6-pin
- Model #: 722954722448
- Item #: 9SIVB8UKAA6899
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for Z440 525W 700w workstation power supply DPS-525AB-3A ...
- Model #: 726099251894
- Item #: 9SIVRWKKXD1639
- Return Policy: Nytke team Return Policy
Refurbished: YM300ATX12V-1U professional power supply 300W
- Model #: 703454722886
- Item #: 9SIVB8UKAJ6730
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO New Communication Power Supply For RM4830H RM4830N
- Model #: 759950242915
- Item #: 9SIVB8UKDA8920
- Return Policy: Magicpower Return Policy
Refurbished: ER50015/T 500-550V 7500W Charging Pile Module
- Model #: 753525986075
- Item #: 9SIVB8UKAA8508
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for FSP1200-20ERM server switching power supply 1200W
- Model #: 792597719273
- Item #: 9SIVRWKKXD7498
- Return Policy: Nytke team Return Policy
Refurbished: T3600 T5600 635W Power Supply T3610 T5610 D635EF-00 F635EF-00 0NVC7F ...
- Model #: 722954988141
- Item #: 9SIVB8UKAA6542
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for DPS-1800AB-5A Server Redundant Power Supply 1800W
- Model #: 792597724161
- Item #: 9SIVRWKKXD9078
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for RP-4006-00 power supply 24V 1U industrial control power supply, ...
- Model #: 716837084495
- Item #: 9SIVB8UKX58087
- Return Policy: Magicpower Return Policy
Refurbished: For T4-4 AA25420L 300- 2159-06 300-2159 2060W Server Power Supply
- Model #: 726727816334
- Item #: 9SIVRWKKXB0443
- Return Policy: Nytke team Return Policy
Refurbished: SDU60-02 booster controller communication power module server power ...
- Model #: 703454722350
- Item #: 9SIVB8UKAJ6715
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for SUN2000-43KTL-IN-C1 43kVA/53kVA inverter
- Model #: 792597718696
- Item #: 9SIVRWKKXD7343
- Return Policy: Nytke team Return Policy
Refurbished: For IFRP-352 350W Power Supply 1pcs
- Model #: 726727731200
- Item #: 9SIVRWKKXA3313
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for GIN-6350P R2G-6350P 350W power supply
- Model #: 792597982585
- Item #: 9SIVB8UKX56757
- Return Policy: Magicpower Return Policy
Refurbished: RH2288H V5 Server 550W Power Supply 02131255 02312FNG 02312DEP
- Model #: 722954732812
- Item #: 9SIVB8UKAA5865
- 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.
