Power Supplies - Showing 2377 - 2400 of 18081 Products
Refurbished: Fo 32-way Hard Disk Video Recorder Power Supply DS-8832N-K8/e8 ...
- Model #: 722954737541
- Item #: 9SIVB8UKAA6368
- Return Policy: Magicpower Return Policy
Refurbished: For 832006-003 833186-002 DPS-600WB B 600W Power Supply
- Model #: 752804579175
- Item #: 9SIVRWKKXB2358
- Return Policy: Nytke team Return Policy
Refurbished: C3K-PWR-1150WAC C3750E-48PD 3560-48PD-SF EF switch power supply
- Model #: 703454721889
- Item #: 9SIVB8UKAJ6625
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for 12V90A 1100W power supply
- Model #: 792597706891
- Item #: 9SIVRWKKXD3463
- Return Policy: Nytke team Return Policy
Refurbished: For PWS-981-1S redundant power 980W
- Model #: 726727722765
- Item #: 9SIVRWKKXA2260
- Return Policy: Nytke team Return Policy
Refurbished: 1200W Power Supply PAC-1K2WA-F
- Model #: 753525943955
- Item #: 9SIVB8UKAA5338
- Return Policy: Magicpower Return Policy
Refurbished: 2000W Power Supply 341-1800-01 NXA-PAC-2KW-PE
- Model #: 753525957396
- Item #: 9SIVB8UKAA8951
- Return Policy: Magicpower Return Policy
Refurbished: PLA30F-24 30W INPUT AC100-240V 50-60Hz 0.7A OUTPUT 24V 1.3A AC/DC ...
- Model #: 724780182472
- Item #: 9SIVB8UKA98925
- Return Policy: Magicpower Return Policy
Refurbished: For Oracle DE3-24C Power Supply 7318547 7354096 7354126 580 Watts AC
- Model #: 752804573265
- Item #: 9SIVRWKKXB1672
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for 7070 3050 3650 3670 7050 7060 5090 360W460W 500W Power Supply
- Model #: 792597728411
- Item #: 9SIVB8UKX33143
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for IPC Power Supply SP2-4300F 300W SP2-4400FB SP2-4250F
- Model #: 792597714490
- Item #: 9SIVRWKKXD5826
- Return Policy: Nytke team Return Policy
Refurbished: For P2H-5500V P1H-5400V P1H-6400P P1M-6400P Power Supply
- Model #: 726727819922
- Item #: 9SIVRWKKXB1434
- Return Policy: Nytke team Return Policy
Refurbished: ACE-816A 1U 200W ACE-816A-RS Industrial Power Supply
- Model #: 753525948929
- Item #: 9SIVB8UKAA0027
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for D200 775W Storage Cabinet Power Supply SPS800-512TE-A
- Model #: 716837097273
- Item #: 9SIVB8UKX62917
- Return Policy: Magicpower Return Policy
Refurbished: HEC MicroATX-A SFX-A 200W Switching Power Supply HEC-200FB-TV ...
- Model #: 753525944099
- Item #: 9SIVSYTKUV1985
- Return Policy: SuZhouLiYuanLiXinBaiHuo Return Policy
Refurbished: KHACHIMO PSU For TURBO-COOL EDGE -5V 1U 300W Power Supply ...
- Model #: 726099221385
- Item #: 9SIVSY0KUT5118
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: 1Pcs for 24V20A Rail Power Supply PRO-480W 24V 20A EX 2467000000
- Model #: 792597720262
- Item #: 9SIVRWKKXD7671
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for T310 NPS-375CB-1 A T122K T128K Server Power Supply 360W
- Model #: 792597726042
- Item #: 9SIVRWKKXD9498
- Return Policy: Nytke team Return Policy
Refurbished: For M1K-2A00V 1000W Network Power Supply CHS-PWRAC-02-A
- Model #: 792597703661
- Item #: 9SIVRWKKXD2458
- Return Policy: Nytke team Return Policy
Refurbished: QLOGIC 5800 Switching Power Supply SBPSFAN2FB 31741-07
- Model #: 703454717707
- Item #: 9SIVB8UKAJ6206
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Power Supply For GO CT ICSI 12V 280W Power Supply ...
- Model #: 745635675086
- Item #: 9SIVB8UKDA0226
- Return Policy: Magicpower Return Policy
Refurbished: SS-400H2U 2U Power Supply 400W Industrial Control Server
- Model #: 722954735356
- Item #: 9SIVB8UKAA6122
- Return Policy: Magicpower Return Policy
Refurbished: SPDFCBK-15G DC-DC 750W 12V 62A For Power-one DC Power Supply Converter
- Model #: 753525985504
- Item #: 9SIVB8UKAA9215
- Return Policy: Magicpower Return Policy
Refurbished: For R920 server power distribution board 0XXHJ5 CN-0XXHJ5 XXHJ5
- Model #: 726727820782
- Item #: 9SIVRWKKXB1519
- 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.
