Power Supplies - Showing 1921 - 1944 of 17979 Products
Refurbished: KHACHIMO FSP AT P8P9 12V 250W Switching Power Supply SD-250AT SPI-300G ...
- Model #: 744623302720
- Item #: 9SIVB8UKCV8285
- Return Policy: Magicpower Return Policy
Refurbished: M435 M310 M910 M510 M610 M710 M428 10Pin 260W Power Supply ...
- Model #: 753525934731
- Item #: 9SIVB8UKA99290
- Return Policy: Magicpower Return Policy
Refurbished: 3850 1100W Power Supply PWR-C1-1100WAC 341-0561-01 PA-1112-1A-LF ...
- Model #: 753525945973
- Item #: 9SIVB8UKA99680
- Return Policy: Magicpower Return Policy
Refurbished: For R610 power supply S26113-E470-V50 V20 fs214u400wsw
- Model #: 726727734256
- Item #: 9SIVRWKKXA4194
- Return Policy: Nytke team Return Policy
Refurbished: For PE1900 Server Power Supply DN444 ND591 D800P-S0
- Model #: 726727724950
- Item #: 9SIVRWKKXA2575
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO T3620 T1700 T20 3670 3020 7020 9020 8Pin 600W Switching Power ...
- Model #: 744623301501
- Item #: 9SIVB8UKCV8174
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 2U 550W Switching Power Supply EP2A5551A
- Model #: 744623301167
- Item #: 9SIVB8UKCV8139
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO AIO HTPC FLEX Small 1U K39 400W Switching Power Supply ...
- Model #: 744623314372
- Item #: 9SIVB8UKD21832
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 390 990 3010 9010 7010 275W Power Supply B275AM-00 ...
- Model #: 744623308173
- Item #: 9SIVB8UKD06315
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for 24V ACE900F Industrial Equipment Power Supply AC9-2HHE2C-00 ...
- Model #: 792597723737
- Item #: 9SIVRWKKXD8946
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for 48V power supply PWS-1K60D-1R server power supply
- Model #: 792597704880
- Item #: 9SIVRWKKXD2622
- Return Policy: Nytke team Return Policy
Refurbished: For 02310UWW HSP1800-S12A 5600V3 1800W power supply
- Model #: 726727815580
- Item #: 9SIVRWKKXB0232
- Return Policy: Nytke team Return Policy
Refurbished: Power Supply for T5600 T3600 NVC7F D635EF-00 635W
- Model #: 703454924976
- Item #: 9SIVB8UKA98705
- Return Policy: Magicpower Return Policy
Refurbished: For R650 R670 power supply S26113-E526-V70 S1K02A001 1000w
- Model #: 752804573432
- Item #: 9SIVRWKKXB1729
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO For CONDOR Power Supply MSP1612
- Model #: 759950246630
- Item #: 9SIVB8UKDA9434
- Return Policy: Magicpower Return Policy
Refurbished: 750W Titanium Server Power Supply HSTNS-PL29-AD 746072-001 ...
- Model #: 703454720394
- Item #: 9SIVB8UKAJ6470
- Return Policy: Magicpower Return Policy
Refurbished: DC 350W Switching Power Supply PSR350-D10
- Model #: 753525936278
- Item #: 9SIVB8UKA99452
- Return Policy: Magicpower Return Policy
Refurbished: IPC Power Supply A5E30947477-H3
- Model #: 753525948066
- Item #: 9SIVSY0KUV0972
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: 12V60A 750W Server Power Supply 50A 40A Switching Power Supply
- Model #: 722954735455
- Item #: 9SIVB8UKAA6165
- Return Policy: Magicpower Return Policy
Refurbished: PCB230 D13-300P1A Desktop 300W Power Supply 490 285 G2 G3 G4 570 Series
- Model #: 722954721779
- Item #: 9SIVB8UKAA6826
- Return Policy: Magicpower Return Policy
Refurbished: T311730201 TSI-EPC-48V-230VAC-10 072687 For Enatel 48VDC To ...
- Model #: 753525987126
- Item #: 9SIVB8UKAA8688
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for TS860 GE SP810 SP0810-Z01A 800W Server Power Supply
- Model #: 792597727391
- Item #: 9SIVB8UKX32797
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for RCB600 12V 24V 48V Medical Power Supply
- Model #: 792597982028
- Item #: 9SIVB8UKX33156
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 250W Switching Power Supply MIN-6251P
- Model #: 744623306339
- Item #: 9SIVB8UKD01962
- 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.
