Power Supplies - Showing 2305 - 2328 of 18350 Products
Refurbished: KHACHIMO b520 b520r2 b520e 1088 8Pin 250W Power Supply FSP250-20AI ...
- Model #: 744623300740
- Item #: 9SIVB8UKCU6795
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Power Supply For N2Power 160W Power Supply XL160-3
- Model #: 759950243134
- Item #: 9SIVB8UKDA8961
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for NF5280M5 550W Server Power Supply PS-2551-9L ...
- Model #: 792597705467
- Item #: 9SIVRWKKXD2761
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO Power Supply For EOS 24V 6.25A 150W Power Supply ...
- Model #: 759950244216
- Item #: 9SIVB8UKDA9124
- Return Policy: Magicpower Return Policy
Refurbished: For Workstation Power Supply for T7600 T5600 H1300EF-00 6MKJ9 V5K16 ...
- Model #: 753525985474
- Item #: 9SIVB8UKAA9203
- Return Policy: Magicpower Return Policy
Refurbished: 3560E/3750E Series Switches 341-0181-01 265W C3K-PWR-265WDC
- Model #: 753525957433
- Item #: 9SIVB8UKAA8968
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Power Supply For TDK-Lambda TH120048
- Model #: 759950245435
- Item #: 9SIVB8UKDA9306
- Return Policy: Magicpower Return Policy
Refurbished: For server power supply R805 power supply 700w G193F z700p-00
- Model #: 726727730906
- Item #: 9SIVRWKKXA3333
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for DS-VE22S-B server main board power supply, array card RAID card
- Model #: 792597711765
- Item #: 9SIVTDYKWJ0940
- Return Policy: Voltrix Return Policy
Refurbished: 1PCS for EDPS-930AB A EX-PWR2-930-AC 740-046492 For EX4200 switching ...
- Model #: 792597708321
- Item #: 9SIVRWKKXD3817
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for 1U server industrial computer 300W power supply GW-EPS1U300WB
- Model #: 792597983575
- Item #: 9SIVB8UKX56904
- Return Policy: Magicpower Return Policy
Refurbished: For Communication Power Module FNP 300
- Model #: 703454718704
- Item #: 9SIVB8UKAJ6330
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 1600W Switching Power Supply D1600E-S3 DPS-1600AB-2 A ...
- Model #: 744623304939
- Item #: 9SIVB8UKCW6267
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 600W Power Supply PS-4601-1 PS-4601-1HD M9769-011 ...
- Model #: 744623303437
- Item #: 9SIVB8UKCW6129
- Return Policy: Magicpower Return Policy
Refurbished: For F5 SPAFFIV-04G AC power supply pwr-0199-
- Model #: 726727818529
- Item #: 9SIVRWKKXB1289
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 450W COUGAR CM POWER 550W For HEC-450TE HEC-450TE-2WX ...
- Model #: 759950243097
- Item #: 9SIVB8UKDA8945
- Return Policy: Magicpower Return Policy
Refurbished: For SD-P300ATX 450W 1u Server Power Supply
- Model #: 722954725173
- Item #: 9SIVB8UKAA7188
- Return Policy: Magicpower Return Policy
Refurbished: Z4 G4 Workstation Power Supply 851382-001 851382-003 DPS-750AB-36 A ...
- Model #: 703454717295
- Item #: 9SIVB8UKAJ6142
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 3060 3080 3470 SFF 6Pin+4Pin*2 200W Power Supply L200EBS-01 ...
- Model #: 759950240140
- Item #: 9SIVB8UKDA0335
- Return Policy: Magicpower Return Policy
Refurbished: Switching Power Supply VNX5300 VNX5100 875W SG7011 GJ24J 071-000-529 ...
- Model #: 753525987096
- Item #: 9SIVB8UKAA8676
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for S1200V3RP main board DPS-500WB-1 A G28822-004/5 power supply ...
- Model #: 792597710812
- Item #: 9SIVTDYKWJ0936
- Return Policy: Voltrix Return Policy
Refurbished: 1pcs for Video recorder power supply DPS-250AB-81 B A E 250W power supply
- Model #: 726099252310
- Item #: 9SIVRWKKXD1626
- Return Policy: Nytke team Return Policy
Refurbished: 460W Switching Power Supply DS460S-3-004 RG-M6220-AC460E-F
- Model #: 753525945652
- Item #: 9SIVB8UKA99650
- Return Policy: Magicpower Return Policy
Refurbished: For R430 R440 R540 Server Power Supply AC450E-S1 Cold Power 450W XOKY89
- Model #: 792597703258
- Item #: 9SIVRWKKXD2259
- 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.
