Power Supplies - Showing 1897 - 1920 of 17947 Products
Refurbished: KHACHIMO Switching Power Supply For 24V125A 3000W RSP-3000 ...
- Model #: 759950249341
- Item #: 9SIVB8UKDF9597
- Return Policy: Magicpower Return Policy
Refurbished: PWR-C5-1KWAC C9200 Series Power Supply
- Model #: 753525947168
- Item #: 9SIVB8UKA99859
- Return Policy: Magicpower Return Policy
Refurbished: 0284T PE2450/PE2550 Server Power Supply NPS-330BB A 00284T
- Model #: 722954726330
- Item #: 9SIVB8UKAA7307
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Power Supply For RUIJIE/VAPEL RG-S7808 600W Power Supply ...
- Model #: 759950240492
- Item #: 9SIVB8UKDA0373
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 400 G5 600 280 G3 4Pin 310W Power Supply D18-310P1A ...
- Model #: 744623315713
- Item #: 9SIVB8UKD46416
- Return Policy: Magicpower Return Policy
Refurbished: For 48V 30A Power Supply For DZY-48/30HIV
- Model #: 753525989885
- Item #: 9SIVB8UKAA7789
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS Power Supply for Server R1CA2202B R1CA2202F 2000W
- Model #: 792597723775
- Item #: 9SIVRWKKXD8921
- Return Policy: Nytke team Return Policy
Refurbished: For SUN N240 V240 Server Power Supply 300-1674 300-1846 ASTEC AA23650
- Model #: 722954725234
- Item #: 9SIVB8UKAA7213
- Return Policy: Magicpower Return Policy
Refurbished: T5810 T7810 Workstation Power Supply 425W AC425EF-02 D425EF-02
- Model #: 722954723704
- Item #: 9SIVB8UKAA7045
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for DC Converter EC4820/M DC/DC Module
- Model #: 792597719310
- Item #: 9SIVRWKKXD7507
- Return Policy: Nytke team Return Policy
Refurbished: For T5600 T3600 635W NVC7F D635EF-00 Power Supply 01K45H
- Model #: 731029999203
- Item #: 9SIVRWKKXD1170
- Return Policy: Nytke team Return Policy
Refurbished: X3200 M2 Server Redundant Power Supply 39Y7332 39Y7331 49Y8280 ...
- Model #: 722954729942
- Item #: 9SIVB8UKAA5604
- Return Policy: Magicpower Return Policy
Refurbished: For TC3600 Power Server S3D-2K00V 2024W
- Model #: 726727725193
- Item #: 9SIVRWKKXA2649
- Return Policy: Nytke team Return Policy
Refurbished: EPW25-24S48D Communication Power Supply Module Input DC 24V to 48V
- Model #: 753525955804
- Item #: 9SIVT8HKWF2636
- Return Policy: YunYunKeJiShiZhuangDian Return Policy
Refurbished: 8754970000 Power Supply CP SNT 48W 12V 4A
- Model #: 724780182311
- Item #: 9SIVB8UKA98866
- Return Policy: Magicpower Return Policy
Refurbished: Power Supply GERM4815TVP
- Model #: 753525936544
- Item #: 9SIVB8UKA99502
- Return Policy: Magicpower Return Policy
Refurbished: N55-PAC-1100W SPACSCO-26G A1 341-415-01 Switch Power Supply
- Model #: 753525933789
- Item #: 9SIVB8UKA99162
- Return Policy: Magicpower Return Policy
Refurbished: C7000 2450W DPS-2450AB A HSTNS-PD16 588733-001 570493-101 ...
- Model #: 753525984958
- Item #: 9SIVB8UKAA9174
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for 1100W Server Power Supply S-1100ADU00-201 G84027-007
- Model #: 792597705153
- Item #: 9SIVRWKKXD2740
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for FSP2535GBA ACE-925ARS PU-S39MINI SFX Small Square Power ...
- Model #: 716837087557
- Item #: 9SIVB8UKX59624
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for industrial computer 1U power supply P1G-6300P P1U-6250P ...
- Model #: 792597982653
- Item #: 9SIVB8UKX56786
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for S2600BP LGA3647 pin server main board PBA J36547-350
- Model #: 792597983803
- Item #: 9SIVB8UKX56995
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO PSU For EMC1100W Switching Power Supply SGE022 071-000-710
- Model #: 744623311395
- Item #: 9SIVB8UKD12189
- Return Policy: Magicpower Return Policy
Refurbished: Power Supply S8JC-Z05005C-800 For 50W 5V AC100240V ...
- Model #: 753525988864
- Item #: 9SIVB8UKAA7677
- 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.
