Power Supplies - Showing 2161 - 2184 of 17945 Products
Refurbished: S1200 Storage Power Supply DS625-3
- Model #: 722954725739
- Item #: 9SIVB8UKAA7264
- Return Policy: Magicpower Return Policy
Refurbished: 3620i DC48V 700W Switching Power Supply H700ED-S0 0C0X78
- Model #: 753525943351
- Item #: 9SIVSY0KUU3160
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: 1Pcs for R4830G1 power supply 1U 48V30A
- Model #: 716837093343
- Item #: 9SIVB8UKX61723
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for 1U 300W with -5V power supply P1G-6300P P1U-6150P P1U-6250P
- Model #: 716837096498
- Item #: 9SIVB8UKX62742
- Return Policy: Magicpower Return Policy
Refurbished: EX4300-48P 550W Power Supply JPSU-550-DC-AFO 740-046875 DPS-550RB ...
- Model #: 703454716311
- Item #: 9SIVB8UKAJ6022
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for EPW1200-12H RH2288 V3 server DC power supply 12V/100A/1200W
- Model #: 792597720613
- Item #: 9SIVRWKKXD7823
- Return Policy: Nytke team Return Policy
Refurbished: 1pcs for X306M power supply 24R2673 24R2674 39Y7295 API4FS40-030L
- Model #: 726099252303
- Item #: 9SIVRWKKXD1623
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for PSR1600C-12A-B YNEC1600AM-2A01P10 1600W switching power ...
- Model #: 716837083948
- Item #: 9SIVB8UKX57686
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for DPS-200PB-176A B C D power supply 8 interface 4 interface
- Model #: 716837083450
- Item #: 9SIVB8UKX57582
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 900W Power Supply HSTNS-PL36 704972-001 704968-201 ...
- Model #: 759950241475
- Item #: 9SIVB8UKDA8731
- Return Policy: Magicpower Return Policy
Refurbished: For B325I B320I B340 B345 B520E B545 B540 Power Supply FSP200-20SI
- Model #: 726727733945
- Item #: 9SIVRWKKXA3862
- Return Policy: Nytke team Return Policy
Refurbished: For ST-400NAG-05F 400W Server Module Power Supply
- Model #: 722954731617
- Item #: 9SIVB8UKAA5731
- Return Policy: Magicpower Return Policy
Refurbished: For MSL5030 MSL5026 Tape Library Power Supply RAS-2662P 968769-101
- Model #: 726727725735
- Item #: 9SIVRWKKXA2692
- Return Policy: Nytke team Return Policy
Refurbished: For AK383A Ultrium1760 LTO4 BRSLA-0703-DC 467729-001
- Model #: 753525956405
- Item #: 9SIVB8UKAA8849
- Return Policy: Magicpower Return Policy
Refurbished: QWF1EMUA 32PORT Communication Power Supply
- Model #: 722954727931
- Item #: 9SIVB8UKAA7458
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for projector, rear projector MSP600 GIN-3600V power supply
- Model #: 792597985739
- Item #: 9SIVB8UKX57377
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for FWS350A-24 FINE Switching Power Supply 24V 14.6A
- Model #: 792597723539
- Item #: 9SIVRWKKXD8756
- Return Policy: Nytke team Return Policy
Refurbished: API6FS03 351W 39Y7288 39Y7289 49Y4663 49Y4661 X3250 X3250M2 Server ...
- Model #: 753525955262
- Item #: 9SIVB8UKAA0323
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 510S M420 700-24AGR 6Pin 260W Power Supply PA-1261-7 ...
- Model #: 726099221910
- Item #: 9SIVB8UKCU6170
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 24V10.5A 250W Power Supply NLP250N-99S24CN1J
- Model #: 759950248269
- Item #: 9SIVB8UKDF9480
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for T750 7000 blade 9000K module power supply PS-4851-1 850W
- Model #: 716837092117
- Item #: 9SIVB8UKX61389
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for NSP6F-220P-S13 Industrial Control Equipment Machine Power Supply
- Model #: 792597985760
- Item #: 9SIVB8UKX57389
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for S5300V3 02311DEP PAC800D1205-CE 800W AC Power Supply
- Model #: 792597709694
- Item #: 9SIVRWKKXD4113
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for RG-M5000E-AC500P RG-S5750-48GT/4SFP-P switching power ...
- Model #: 792597725663
- Item #: 9SIVRWKKXD9503
- Return Policy: Nytke team 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.
