Power Supplies - Showing 2017 - 2040 of 17979 Products
Refurbished: KHACHIMO Power Supply For D030 S480
- Model #: 759950240348
- Item #: 9SIVB8UKDA0406
- Return Policy: Magicpower Return Policy
Refurbished: P100E-24 Industrial Medical Equipment Power Supply 24V/4.5A
- Model #: 724780779276
- Item #: 9SIVSYTKUT8047
- Return Policy: SuZhouLiYuanLiXinBaiHuo Return Policy
Refurbished: For 3D Communication Power Module 3C17264
- Type: Power Supply
- Model #: 3C17264
- Item #: 9SIVSY0KUV2958
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: PSU For MICRONICS 600W Switching Power Supply PERFORMANCE 600W
- Model #: 753525936070
- Item #: 9SIVB8UKA99421
- Return Policy: Magicpower Return Policy
Refurbished: PSU For FLEXTRONICS 1100W Power Supply EMC-S-1100ADU00 071-000-711
- Model #: 753525934724
- Item #: 9SIVB8UKA99286
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO U20 Ultra20 M2 400W Switching Power Supply API4PC01 ...
- Model #: 744623309996
- Item #: 9SIVB8UKD12064
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for DPST-1000DB A 1000W Power Module
- Model #: 716837085607
- Item #: 9SIVB8UKX58633
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for N18010 switching power supply RG-PA1600I module 1600W ...
- Model #: 726099252815
- Item #: 9SIVRWKKXD1798
- Return Policy: Nytke team Return Policy
Refurbished: D1500EF-00 800GY 1500W Alienware Area-51 Power Supply
- Model #: 722954988585
- Item #: 9SIVB8UKAA6570
- Return Policy: Magicpower Return Policy
Refurbished: SUU180A-108 For SINPRO Switching Power Supply
- Model #: 753525949612
- Item #: 9SIVB8UKAA0165
- Return Policy: Magicpower Return Policy
Refurbished: LB9 LB8 PS-2471-1L 470W
- Model #: 753525956849
- Item #: 9SIVB8UKAA8927
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for DPS-650XB-2 C 650W 1U industrial computer, server power supply
- Model #: 792597715688
- Item #: 9SIVRWKKXD6400
- Return Policy: Nytke team Return Policy
Refurbished: P520 P52A 97P2330 39J0544 39J4951 7000786 850W
- Model #: 753525956672
- Item #: 9SIVB8UKAA8907
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for EP2A5551A 550W Server Power Supply 550W tested well
- Model #: 792597716104
- Item #: 9SIVRWKKXD6403
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for S510 S770 S3040 Integrated Power Supply PS- 2181-01 FSP150-20AI
- Model #: 792597982660
- Item #: 9SIVB8UKX56790
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for Server Power P720 P520 DPS-690AB A 54Y8980
- Model #: 792597707874
- Item #: 9SIVRWKKXD3601
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 1U 200W Switching Power Supply PWS-201-1H
- Model #: 744623317175
- Item #: 9SIVB8UKD64511
- Return Policy: Magicpower Return Policy
Refurbished: 341-0176-03 Power Supply Used On AIR-WLC4402 WLC4404 Series Switches
- Model #: 753525984460
- Item #: 9SIVB8UKAA9125
- Return Policy: Magicpower Return Policy
Refurbished: Power Supply For EVM-4004-10 480W
- Model #: 753525987089
- Item #: 9SIVB8UKAA8672
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO R520G7 RH2285 750W Switching Power Supply PS-2751-1F-LF
- Model #: 744623303994
- Item #: 9SIVB8UKCW6164
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for Netapp111-00846 FAS2240 X3245A 01288 + A0 Control TDPS-750AB ...
- Model #: 792597711116
- Item #: 9SIVRWKKXD4391
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for U1A-D10550-DRB 550W 1U Server, Power Module
- Model #: 792597984817
- Item #: 9SIVB8UKX57202
- Return Policy: Magicpower Return Policy
Refurbished: Industrial Control Network Safety Power Supply FSP150-50LE ...
- Model #: 722954733277
- Item #: 9SIVB8UKAA5899
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 390 790 990 3010 9010 7010 275W Power Supply L275EM-00 ...
- Model #: 744623300672
- Item #: 9SIVB8UKCU6766
- 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.
