Power Supplies - Showing 1945 - 1968 of 17993 Products
Refurbished: 1Pcs for ZHR481800G ZHR481800GIM ZHR481800G | M Communication ...
- Model #: 792597718443
- Item #: 9SIVRWKKXD7171
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 1000W Switching Power Supply PWS-1K02A-1R
- Model #: 744623315072
- Item #: 9SIVB8UKD21935
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for DZY-48/50HI (TTI) communication power supply
- Model #: 716837095446
- Item #: 9SIVB8UKX62453
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 250W Switching Power Supply GW-ATX250SDA
- Model #: 744623311906
- Item #: 9SIVB8UKD19665
- Return Policy: Magicpower Return Policy
Refurbished: XW6400 405349-001 412848-001 DPS-575AB A 575W Workstation Power ...
- Model #: 753525986242
- Item #: 9SIVB8UKAA8577
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO IPPC-6152A IPPC-6192A IPC-5120-25CE 1U 10Pin*2 350W ...
- Model #: 744623308050
- Item #: 9SIVB8UKD06317
- Return Policy: Magicpower Return Policy
Refurbished: For FSP400-70PFL FSP350-60PLN FSP400-60THA-P GSM-7450P Power Supply
- Model #: 726727818215
- Item #: 9SIVRWKKXB1263
- Return Policy: Nytke team Return Policy
Refurbished: ML570G3/G4, DL580G3/G4 Power Supply 337867-501 406421-001 ...
- Model #: 722954735967
- Item #: 9SIVB8UKAA6222
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for Industrial computer power supply FSP250-70PFU FSP250-60ATV ...
- Model #: 716837096993
- Item #: 9SIVB8UKX62852
- Return Policy: Magicpower Return Policy
Refurbished: For X4170 M2 X4270 Power Supply A247 AWF-2DC-760W 300- 2233-02
- Model #: 726727818451
- Item #: 9SIVRWKKXB1189
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for FSP250-20LR DS600-G10 power supply
- Model #: 792597985104
- Item #: 9SIVB8UKX57222
- Return Policy: Magicpower Return Policy
Refurbished: For Z8G4 Power Supply 851384-001 851385-001 DPS-1125BB 1450W 1700W
- Model #: 792597702923
- Item #: 9SIVRWKKXD2215
- Return Policy: Nytke team Return Policy
Refurbished: For ATX350-50HTX 1U Power Supply 350W With 8P Graphics Card Power Supply
- Model #: 703454720486
- Item #: 9SIVB8UKAJ6502
- Return Policy: Magicpower Return Policy
Refurbished: For Megmeet 48V Inverter Power Supply 1000W MEGAPOWER1000INVT 48V to ...
- Model #: 753525985832
- Item #: 9SIVB8UKAA8506
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for 3668 3050 7050 Power Supply L240ES-00 AC240AM-01 B240AM-02 ...
- Model #: 792597982455
- Item #: 9SIVB8UKX56656
- Return Policy: Magicpower Return Policy
Refurbished: 1200W Switching Power Supply DPS-1200KB A 493299-001 493969-001
- Model #: 753525946741
- Item #: 9SIVB8UKA99741
- Return Policy: Magicpower Return Policy
Refurbished: For YM-6621BBR/AR YM-6621B YM-6621BA01R YH6621-XBA02R Power ...
- Model #: 752804574460
- Item #: 9SIVRWKKXB1871
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for NS-500 NSR-251 094-0023-000 Network machine power supply
- Model #: 792597728183
- Item #: 9SIVB8UKX32977
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 750W Power Supply U2A-C10750-DRBB Work Like New
- Model #: 759950246777
- Item #: 9SIVB8UKDA9398
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for GW-CRPSD800 800W server power supply
- Model #: 716837093015
- Item #: 9SIVB8UKX61684
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO LFA75F 24V 3.2A 75W For LFA75F-24 LFA75F-24-J1
- Model #: 759950242977
- Item #: 9SIVB8UKDA8944
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO GTX-750 GTX-760 GTX-770 Silent Power Supply for Desktop ...
- Model #: 744623306674
- Item #: 9SIVB8UKD06234
- Return Policy: Magicpower Return Policy
Refurbished: For MKP601 Switching Power Supply SWAD601M30 Server Power Module ...
- Model #: 752804576907
- Item #: 9SIVRWKKXB2136
- Return Policy: Nytke team Return Policy
Refurbished: For P2F-5500V 473W
- Model #: 752804575771
- Item #: 9SIVRWKKXB2014
- 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.
