Power Supplies - Showing 2137 - 2160 of 17995 Products
Refurbished: KHACHIMO Original PSU Board For iMac 27" AIO A1862 500W Power Supply ...
- Model #: 744623301198
- Item #: 9SIVB8UKCV8100
- Return Policy: Magicpower Return Policy
Refurbished: DPS-550AB-11A 550W NF5280M6 M5 M4 Server Power Supply
- Model #: 753525949575
- Item #: 9SIVB8UKAA0150
- Return Policy: Magicpower Return Policy
Refurbished: Rated 400W Peak 500W Switching Power Supply BTX-500SP
- Model #: 722954987052
- Item #: 9SIVB8UKAA6449
- Return Policy: Magicpower Return Policy
Refurbished: Power Supply POWERLD 12V5A 60W Power Supply PS-60-C12 Replace ...
- Model #: 722954989346
- Item #: 9SIVB8UKAJ5578
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 400W Switching Power Supply M1Z-6400P3
- Model #: 744623298382
- Item #: 9SIVB8UKCU6425
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS For SG9006 2U Expansion Cabinet Power Supply 400W 071-000-539 ...
- Model #: 716837095866
- Item #: 9SIVB8UKX62634
- Return Policy: Magicpower Return Policy
Refurbished: 3750 715W Power Supply C3KX-PWR-715WAC EDPS-715AB A 341-0353-02 ...
- Model #: 722954989643
- Item #: 9SIVB8UKAJ5652
- Return Policy: Magicpower Return Policy
Refurbished: For VAPEL SR6604 SR6616 SR6608 Power Supply For AC-PSR1200-A
- Model #: 753525989687
- Item #: 9SIVB8UKAA7755
- Return Policy: Magicpower Return Policy
Refurbished: Power Supply For DPU60D-N06A1 3000W
- Model #: 753525990508
- Item #: 9SIVB8UKAA7935
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for T640 T630 R930 2000W server power supply J5WMG 39K3H
- Model #: 716837088400
- Item #: 9SIVB8UKX59831
- Return Policy: Magicpower Return Policy
Refurbished: For PWS-903-PQ Server Workstation Power Supply 900W
- Model #: 752804573425
- Item #: 9SIVRWKKXB1713
- Return Policy: Nytke team Return Policy
Refurbished: For Emacs 2U 600W Switching Power Supply P2M-6601P
- Model #: 722954987236
- Item #: 9SIVB8UKAA6427
- Return Policy: Magicpower Return Policy
Refurbished: 550W Switching Power Supply M1Z-5550V M1X-3550V M1X-3700V
- Model #: 722954986949
- Item #: 9SIVB8UKAA6410
- Return Policy: Magicpower Return Policy
Refurbished: For POWER-ONE MPB125-2012 MPB125-2012G Power Module
- Model #: 722954731341
- Item #: 9SIVB8UKAA5720
- Return Policy: Magicpower Return Policy
Refurbished: PWS-1K41F-1R Power Supply For Inspur NF8560 M2 Server 1400W
- Model #: 753525949759
- Item #: 9SIVTE8KXH6382
- Return Policy: Coretix Return Policy
Refurbished: 645W Server Power Supply For SP645-PS
- Model #: 722954986956
- Item #: 9SIVB8UKAA6413
- Return Policy: Magicpower Return Policy
Refurbished: D12-240P2A Universal PCC002 PS-4241-2HF DPS-240AB-3 B Small Power ...
- Model #: 722954987861
- Item #: 9SIVB8UKAA6475
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for TC SURE STAR 400W SS-400R8P Power Supply R8P-400
- Model #: 726099252655
- Item #: 9SIVRWKKXD1785
- Return Policy: Nytke team Return Policy
Refurbished: monitoring unit module PSM-D21
- Model #: 753525986273
- Item #: 9SIVB8UKAA8589
- Return Policy: Magicpower Return Policy
Refurbished: For PSL520-AD GPL550-ADH 5120
- Model #: 726727725933
- Item #: 9SIVRWKKXA2651
- Return Policy: Nytke team Return Policy
Refurbished: For LSWM1AC300/5AC300 PSR300-12A2/12A Power Modules
- Model #: 726727774788
- Item #: 9SIVRWKKXA4359
- Return Policy: Nytke team Return Policy
Refurbished: For X8208 AA24870L 2000W Power Supply 740-021466
- Model #: 726727776379
- Item #: 9SIVRWKKXB0111
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO L1200 L1210 L1320 L1700 220W Power Supply L220AS-00 ...
- Model #: 726099221941
- Item #: 9SIVB8UKCU6133
- Return Policy: Magicpower Return Policy
Refurbished: Power Supply NLP65-7624 100-24VAC
- Model #: 753525990638
- Item #: 9SIVB8UKAA7933
- 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.
