Power Supplies - Showing 2257 - 2280 of 17938 Products
Refurbished: 1Pcs for POE HKA02454003-8Q Broadband Data Adapter 54V 0.28A
- Model #: 792597718948
- Item #: 9SIVRWKKXD7323
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for 333W Power Supply 2050XE 01750136159 PO6002
- Model #: 716837083610
- Item #: 9SIVB8UKX57601
- Return Policy: Magicpower Return Policy
Refurbished: For GW-FLX200SSA Switching Power Supply 200W Server
- Model #: 752804576167
- Item #: 9SIVRWKKXB2038
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO PSU For IEI 121W Switching Power Supply ACE-121A
- Model #: 726099222092
- Item #: 9SIVB8UKCU6147
- Return Policy: Magicpower Return Policy
Refurbished: ACE-832AP-RS ATX Supports 20 And 24 Pin
- Model #: 722954720987
- Item #: 9SIVB8UKAA6761
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for 7816N POE surveillance video recorder power supply KSA-300S2 ...
- Model #: 792597714346
- Item #: 9SIVRWKKXD5827
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for SKN-SS-2KW/24V 24V to 220V 2000KW Inverter
- Model #: 792597719747
- Item #: 9SIVRWKKXD7502
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 550W Switching Power Supply GPS-550LB G
- Model #: 744623311616
- Item #: 9SIVB8UKD12239
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for Vostro3090 3888 3880 Small Chassis Power Supply AC/L/H260EBM-01 ...
- Model #: 792597982974
- Item #: 9SIVB8UKX56772
- Return Policy: Magicpower Return Policy
Refurbished: For GW-ERP2U700 (90 +) 730W Modular Server Power Supply
- Model #: 726727722420
- Item #: 9SIVRWKKXA2287
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for TR260 DPS-625AB A Server Workstation Power Supply 625W
- Model #: 792597724758
- Item #: 9SIVRWKKXD9098
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 1010W Switching Power Supply M1W-2A10V
- Model #: 726099222948
- Item #: 9SIVB8UKCU6335
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS power supply for video recorder DPS-75VB/A/B
- Model #: 792597723973
- Item #: 9SIVRWKKXD8907
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO For 3Y 1000W Switching Power Supply YM-2102F YM-2102D
- Model #: 744623301280
- Item #: 9SIVB8UKCV8136
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 180W Power Supply API6PC06 HK280-22GP HK280-21AP ...
- Model #: 744623300863
- Item #: 9SIVB8UKCU6796
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 650W Switching Power Supply SD-700U SD-600U SD-500U
- Model #: 744623303642
- Item #: 9SIVB8UKCW6118
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO PSU For FSP 350W Switching Power Supply FSP350-50AHNCH
- Model #: 744623304106
- Item #: 9SIVB8UKCW6159
- Return Policy: Magicpower Return Policy
Refurbished: 80PLUS Bronze 1U 250W Switching Power Supply EFAP-S250 EFAP-M251
- Model #: 753525945430
- Item #: 9SIVB8UKA99620
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for AMU02C Communication Power Monitoring Module EN3MAMU02C101
- Model #: 792597721344
- Item #: 9SIVRWKKXD8178
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 500W Power Supply DPS-500HB A
- Model #: 759950244292
- Item #: 9SIVB8UKDA9110
- Return Policy: Magicpower Return Policy
Refurbished: Industrial Control Product New 2320034 QUINT-PS/24DC/24DC/5 QUINT ...
- Model #: 753525934519
- Item #: 9SIVB8UKA99254
- Return Policy: Magicpower Return Policy
Refurbished: PPS300R-60M 300W NS-SM-A-BSE Switching Power Supply
- Model #: 753525948196
- Item #: 9SIVB8UKA99976
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for 750W Power Supply R2A-PV0750-WBB U1A-P10750-DRB U1A ...
- Model #: 792597715800
- Item #: 9SIVRWKKXD6408
- Return Policy: Nytke team Return Policy
Refurbished: 1 PCS 241115.105 Eltek flatpack2 48/2000 he 53.5v37.4a Rectifier Module
- Model #: 753525932805
- Item #: 9SIVB8UKA99068
- 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.
