Power Supplies - Showing 2185 - 2208 of 17933 Products
Refurbished: 1 PCS XR1648B Communication Power Module For POWER ONE
- Model #: 753525934144
- Item #: 9SIVT8HKWF2805
- Return Policy: YunYunKeJiShiZhuangDian Return Policy
Refurbished: Power Supply For R1V2-5275V4H R1V-2275 1U
- Model #: 752804572084
- Item #: 9SIVRWKKXA1996
- Return Policy: Nytke team Return Policy
Refurbished: 1pcs For RMG-4514-00 Server Power Supply 450W
- Model #: 726099253355
- Item #: 9SIVRWKKXD1861
- Return Policy: Nytke team Return Policy
Refurbished: For DL360 380G10 500W Power Supply 865408-B21 865398-001 866729-001
- Model #: 726099253980
- Item #: 9SIVRWKKXD2041
- Return Policy: Nytke team Return Policy
Refurbished: For GW-525ZN ATX Computer Host Desktop Power Supply 425W Large Fan
- Model #: 722954727054
- Item #: 9SIVB8UKAA7356
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for vtron projector MSP600 GIN-3600V power module
- Model #: 792597985371
- Item #: 9SIVB8UKX57235
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for FSP750-80EGN power supply
- Model #: 716837091387
- Item #: 9SIVB8UKX61011
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 250W Switching Power Supply Replace ACE-A622A A618A A627A ...
- Model #: 744623315379
- Item #: 9SIVB8UKD46429
- Return Policy: Magicpower Return Policy
Refurbished: For T5500 Power Supply H875EF-00 N875EF-00 875W J556T W299G
- Model #: 792597703043
- Item #: 9SIVRWKKXD2219
- Return Policy: Nytke team Return Policy
Refurbished: 1pcs for RX2530 S26113-E574-V53 DPS-800AB-1 A Power Supply
- Model #: 716837097877
- Item #: 9SIVB8UKX62965
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 350W Switching Power Supply ST-352UAG-05E
- Model #: 744623312828
- Item #: 9SIVB8UKD19597
- Return Policy: Magicpower Return Policy
Refurbished: PWR-400W-AC 400W RH1547-E 341-0243 6524GT-8S Power Supply
- Model #: 753525954890
- Item #: 9SIVB8UKAA0278
- 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: For HK250-49PP 12V12.5A Switching Power Supply 150W
- Model #: 752804575801
- Item #: 9SIVRWKKXB2033
- Return Policy: Nytke team Return Policy
Refurbished: FSP060-40ASV Monitoring DVR/NVR Power Supply
- Model #: 722954721168
- Item #: 9SIVB8UKAA6779
- Return Policy: Magicpower Return Policy
Refurbished: 400W Power Supply PWR-4430-AC 341-0653-01
- Model #: 753525987799
- Item #: 9SIVB8UKAA8777
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for PCSA-300P-X2V Industrial Equipment Machine Power Supply
- Model #: 792597714094
- Item #: 9SIVRWKKXD5558
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO Z2 800 880 G4 G5 G6 4Pin 550W Power Supply PA-5551-1HA ...
- Model #: 744623301334
- Item #: 9SIVB8UKCV8111
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 24V 100W For LEP100F LEP100F-24
- Model #: 759950247514
- Item #: 9SIVB8UKDF9381
- Return Policy: Magicpower Return Policy
Refurbished: FSP600-40MRA(M) 600W For FSP Medical FSP600-40MRA Switching Power ...
- Model #: 753525949292
- Item #: 9SIVB8UKAA0081
- Return Policy: Magicpower Return Policy
Refurbished: 500W Power Supply PS-4501-2 L84091-001
- Model #: 753525937336
- Item #: 9SIVSYTKUT4148
- Return Policy: SuZhouLiYuanLiXinBaiHuo Return Policy
Refurbished: For B5040 B4655 B5035 B5030 A9050 Power Supply PS- 2151-08 VB 1pcs
- Model #: 726727733617
- Item #: 9SIVRWKKXA3823
- Return Policy: Nytke team Return Policy
Refurbished: 1U 150W Switching Power Supply ENP-7015D ENP 7015D
- Model #: 753525942774
- Item #: 9SIVB8UKAA5141
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 7100 8100 8300 8700 460W Power Supply D460AM-02 H460AD-00 ...
- Model #: 744623307633
- Item #: 9SIVB8UKD06418
- 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.
