Power Supplies - Showing 2305 - 2328 of 18293 Products
Refurbished: 500W Switching Power Supply FSF046
- Model #: 753525940923
- Item #: 9SIVB8UKAA4941
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Switching Power Supply For POWERLD 5V60A 300W Power Supply ...
- Model #: 759950245909
- Item #: 9SIVB8UKDA9343
- Return Policy: Magicpower Return Policy
Refurbished: For 3Y YM-2701Q 700W Redundant Power Supply YM-2701QA03R
- Model #: 726727723090
- Item #: 9SIVRWKKXA2327
- Return Policy: Nytke team Return Policy
Refurbished: 1U Server Power Supply PWS-562-1H CPS-5611-3A1LF 560W
- Model #: 753525958072
- Item #: 9SIVB8UKAA9026
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for ACE900F AC9-2H2H2H-00 Power Supply 24V
- Model #: 792597723492
- Item #: 9SIVRWKKXD8635
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO C1100 650W Switching Power Supply DPS-650SB A 08M1HJ ...
- Model #: 744623315249
- Item #: 9SIVB8UKD21933
- Return Policy: Magicpower Return Policy
Refurbished: 220V to 12V 89A Switching Power Supply 1100W L1100A-SO
- Model #: 722954987656
- Item #: 9SIVB8UKAA6490
- Return Policy: Magicpower Return Policy
Refurbished: Power Supply 242100.110SC SMARTPACK Extended G2
- Model #: 703454715345
- Item #: 9SIVB8UKAJ5909
- Return Policy: Magicpower Return Policy
Refurbished: For SF-600P14XE (HX) Chassis Host Desktop Computer Gold 600W Power ...
- Model #: 724780779573
- Item #: 9SIVB8UKAA6718
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for G1W-3760V server Built-in redundant power supply 760W 2U
- Model #: 792597714759
- Item #: 9SIVRWKKXD5870
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMOThinkStation PX Power Supply SP50H29614
- Model #: 759950240850
- Item #: 9SIVB8UKDA0463
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs Power Adapter for Mavic Pro F1C50 50W
- Model #: 716837091417
- Item #: 9SIVB8UKX61031
- Return Policy: Magicpower Return Policy
Refurbished: Server Power Supply X3650 M5 1300W 00Y9106 N33501L 00Y9107
- Model #: 753525984651
- Item #: 9SIVB8UKAA9107
- Return Policy: Magicpower Return Policy
Refurbished: 1U 250W Switching Power Supply EN-8257763 HPS-2501U-21205
- Model #: 753525947021
- Item #: 9SIVB8UKA99786
- Return Policy: Magicpower Return Policy
Refurbished: AD48/30-B 53.5V/30A For VAPEL Communication Power Rectifier Module
- Model #: 724780778026
- Item #: 9SIVT8HKWF2821
- Return Policy: YunYunKeJiShiZhuangDian Return Policy
Refurbished: KHACHIMO For GST-H150S24-M Switch Power Supply 24V-6A
- Model #: 722954732553
- Item #: 9SIVB8UKAA5857
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 48V50A 1U 3000W Switching Power Supply R4850G2 R4850G6 ...
- Model #: 744623308388
- Item #: 9SIVB8UKD06303
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for DPS-680CB A Server Power Supply V440 300-1851 300-1501
- Model #: 716837085287
- Item #: 9SIVB8UKX58440
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for R5300G3 PSM-AC-800W PPC
- Model #: 792597985029
- Item #: 9SIVB8UKX57188
- Return Policy: Magicpower Return Policy
Refurbished: LS-S5648P AC Power Supply PSL-180-AD-H H3C/S5600-50C
- Model #: 703454719077
- Item #: 9SIVB8UKAJ6374
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO ProDesk G2 SFF 6Pin 200W Power Supply DPS-200PB-196 A PCE011 ...
- Model #: 744623301051
- Item #: 9SIVB8UKCV8094
- Return Policy: Magicpower Return Policy
Refurbished: For X366 X460 X3850 Power 1300W 39Y7341 24R2723 1pcs
- Model #: 726727728668
- Item #: 9SIVRWKKXA2841
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for D48S1900A PWR-00239-04 power supply for Arista 7050qx/7060cx
- Model #: 716837084624
- Item #: 9SIVB8UKX58090
- Return Policy: Magicpower Return Policy
Refurbished: DC 1000W Power Supply PWR-C49M-1000DC 341-0294-02
- Model #: 703454716502
- Item #: 9SIVB8UKAJ6051
- 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.
