Power Supplies - Showing 2161 - 2184 of 17941 Products
Refurbished: 241115.200 FLATPACK2 24V DC Output 26.7V 75A For Eltek Communication ...
- Type: ATX
- Model #: 703454923160
- Item #: 9SIVT8HKWF3252
- Return Policy: YunYunKeJiShiZhuangDian Return Policy
Refurbished: 39Y7378 39Y7377 DPS-835AB A X3400 X3500 X3650 Server Power
- Model #: 722954734922
- Item #: 9SIVB8UKAA6097
- Return Policy: Magicpower Return Policy
Refurbished: For 6SL3203-0CD21-4AA0 4kw A5E00417563
- Model #: 726727722550
- Item #: 9SIVRWKKXA2202
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for h9-1400 PS-8501-2 OOPC789 Power Supply 500W
- Model #: 792597726158
- Item #: 9SIVRWKKXD9622
- Return Policy: Nytke team Return Policy
Refurbished: Industrial Medical Equipment Power Supply 600W 2-5V/120A For ASTEC ...
- Model #: 724780779115
- Item #: 9SIVB8UKAA6682
- Return Policy: Magicpower Return Policy
Refurbished: For PCSF-350P-X2S1 Power Supply 350W PCSF-350P-X2S1-KN
- Model #: 726727724028
- Item #: 9SIVRWKKXA2493
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for ETP48200-C5E1 Power Supply 48V200A R4850G Module
- Model #: 716837093442
- Item #: 9SIVB8UKX61707
- Return Policy: Magicpower Return Policy
Refurbished: Rsp-1000-12 12V 60A 1000W For MW Switching Power Supply
- Model #: 724780183356
- Item #: 9SIVB8UKA98988
- Return Policy: Magicpower Return Policy
Refurbished: LE0MPSD16 1600W 02316867
- Model #: 724780182939
- Item #: 9SIVB8UKA98963
- Return Policy: Magicpower Return Policy
Refurbished: For API6PC05 Computer Host Desktop Power Supply 250W With 24P
- Model #: 722954728518
- Item #: 9SIVB8UKAA5426
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for FSP500 FSP460 FSP600-60PFG FSP400-60PFG industrial computer ...
- Model #: 716837085256
- Item #: 9SIVB8UKX58418
- Return Policy: Magicpower Return Policy
Refurbished: LB9 LB8 PS-2471-1L 470W
- Model #: 753525956849
- Item #: 9SIVB8UKAA8927
- Return Policy: Magicpower Return Policy
Refurbished: PWS-2K04A-1R 2000W Server Power Supply
- Model #: 703454925355
- Item #: 9SIVB8UKA98707
- Return Policy: Magicpower Return Policy
Refurbished: QUINT-ORING/24DC/2X20/1X40 2320186
- Model #: 753525948721
- Item #: 9SIVB8UKAA0042
- Return Policy: Magicpower Return Policy
Refurbished: PSU For POWERLD 24V2A 45W Power Supply GZM-H45S24
- Model #: 753525945027
- Item #: 9SIVB8UKA99605
- Return Policy: Magicpower Return Policy
Refurbished: For power supply PRM400
- Model #: 726727725551
- Item #: 9SIVRWKKXA2687
- Return Policy: Nytke team Return Policy
Refurbished: RPS1600-A Switching Power Supply AD162M56-1M1
- Model #: 753525944129
- Item #: 9SIVB8UKAA5357
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for PW48S24C power module input 40-60VDC output 27V40A
- Model #: 792597720088
- Item #: 9SIVRWKKXD7628
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 24V Power Supply 6GK5008-0BA10-1AB2
- Model #: 759950245350
- Item #: 9SIVB8UKDA9274
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO New Power Supply For GERM4815TRG
- Model #: 759950247804
- Item #: 9SIVB8UKDF9446
- Return Policy: Magicpower Return Policy
Refurbished: For R525 R512 G2 3Y YM-2451C 36001872 450W Server Power Supplies
- Model #: 753525984293
- Item #: 9SIVB8UKAA9061
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO N240 V240 400W Switching Power Supply AA23650 3001846-01 ...
- Model #: 744623315867
- Item #: 9SIVB8UKD46476
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO FLEX NAS Small 1U LOLI M41 A4M T34 35 K39 K49 600W Switching ...
- Model #: 744623306650
- Item #: 9SIVB8UKD06227
- Return Policy: Magicpower Return Policy
Refurbished: 1300 Server Power Supply 330W 01H070 NPS-330CB H
- Model #: 722954988110
- Item #: 9SIVSY0KUS4030
- Return Policy: LiAnMengYuShangDian 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.
