Power Supplies - Showing 2353 - 2376 of 17993 Products
Refurbished: 1Pcs for SPAFFIV-04G PWR-0199-04/03 For F5 Big-IP 10000 Power Supply
- Model #: 792597726394
- Item #: 9SIVRWKKXD9618
- Return Policy: Nytke team Return Policy
Refurbished: PSF200FP-69 PSF180FP-69
- Type: ATX
- Model #: 703454727591
- Item #: 9SIVSYTKUT5797
- Return Policy: SuZhouLiYuanLiXinBaiHuo Return Policy
Refurbished: 02CTMC 2CTMC T7920 1400W Server Power Supply H1400-EF
- Type: ATX
- Model #: 703454739204
- Item #: 9SIVSY0KUT2627
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: For 078-000-192-00 078-000-155 XT380/480/680
- Model #: 726727821369
- Item #: 9SIVRWKKXB1566
- Return Policy: Nytke team Return Policy
Refurbished: For HSP300-S12A Firewall Power Supply 300W 0213G002
- Model #: 703454720059
- Item #: 9SIVB8UKAJ6460
- Return Policy: Magicpower Return Policy
Refurbished: For YM-2461A YM-2461AAR YM-2651Y YM-2651R YM-2651K KAR Power ...
- Model #: 726727818369
- Item #: 9SIVRWKKXB1325
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO RG-S6120 S6510 550W Switching Power Supply GW-CRPS550N2C ...
- Model #: 744623302607
- Item #: 9SIVB8UKCV8278
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO PSU For R-Senda MICRO 200W Switching Power Supply SD-S250SA
- Model #: 744623306001
- Item #: 9SIVB8UKD01953
- Return Policy: Magicpower Return Policy
Refurbished: C3K-PWR-750WAC 3560E-48PD/24PD 3750E Switch Power Supply
- Model #: 753525957587
- Item #: 9SIVB8UKAA8982
- Return Policy: Magicpower Return Policy
Refurbished: 3850-24XU 350W Power Supply PWR-C1-350WAC-P DPS-350AB-34 A ...
- Model #: 753525945621
- Item #: 9SIVB8UKA99638
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for PWS-2K21A-BR 2200W 20 Node Server Power Supply
- Model #: 716837093053
- Item #: 9SIVB8UKX61698
- Return Policy: Magicpower Return Policy
Refurbished: 800W Switching Power Supply DIC48T8005VA
- Type: ATX
- Model #: 753525939217
- Item #: 9SIVSY0KUV4221
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: For HPE Gen10 865408-B21 866729-001 865398-001 865399-201 500W ...
- Model #: 753525987683
- Item #: 9SIVB8UKAA8765
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for Server Power Supply 1800W 4F3WN D1800E-S0 16th Gen R660 Power ...
- Model #: 792597727025
- Item #: 9SIVB8UKX32597
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 7100 8100 8300 8700 460W Power Supply D460AM-02 H460AD-00 ...
- Model #: 744623307633
- Item #: 9SIVB8UKD06418
- Return Policy: Magicpower Return Policy
Refurbished: HWS150-12/TG HWS150-12 For TDK-LAMBDA 12V 13A Switching Power Supply
- Model #: 724780182847
- Item #: 9SIVB8UKA98931
- Return Policy: Magicpower Return Policy
Refurbished: G8 460W Server Power Supply Titanium 739252-B21 746071-001 ...
- Model #: 722954735769
- Item #: 9SIVB8UKAA6196
- Return Policy: Magicpower Return Policy
Refurbished: X3550M4 X3650M4 X3630M4 550W Power Supply 43X3312 94Y8112 94Y8105
- Model #: 722954733796
- Item #: 9SIVB8UKAA5955
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO BTX 5050 530 180W Power Supply HK280-21AP HK280-25AP ...
- Model #: 744623301075
- Item #: 9SIVB8UKCV8102
- Return Policy: Magicpower Return Policy
Refurbished: For TX300/RX300 S2 power supply PS-3601-1F A3C40084174
- Model #: 726727726091
- Item #: 9SIVRWKKXA2712
- Return Policy: Nytke team Return Policy
Refurbished: MAX POWER 500W Power Supply PS-4501-2 L84091
- Type: ATX
- Model #: 753525937749
- Item #: 9SIVSYTKUT3231
- Return Policy: SuZhouLiYuanLiXinBaiHuo Return Policy
Refurbished: PowerEdge 6850 1470W Power Supply SP574 SP574-Y01A PS-2142-1D DU764 ...
- Model #: 753525941333
- Item #: 9SIVB8UKAA4964
- Return Policy: Magicpower Return Policy
Refurbished: New Power Supply For SNP-9549-MV 100-240VAC SNP-9549
- Model #: 753525990294
- Item #: 9SIVB8UKAA7847
- Return Policy: Magicpower Return Policy
Refurbished: For FSP450-60GHS SFX Cash Register Temperature Control ITX Small Power ...
- Model #: 722954728679
- Item #: 9SIVB8UKAA5441
- 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.
