Power Supplies - Showing 2113 - 2136 of 17935 Products
Refurbished: 1PCS for SFX power supply FSP250-60GNV SFXA5201A
- Model #: 792597706518
- Item #: 9SIVRWKKXD3252
- Return Policy: Nytke team Return Policy
Refurbished: For ML310 G4 Power Supply 432055-001 432479-001 DPS-430DB 1pcs
- Model #: 726727725575
- Item #: 9SIVRWKKXA2718
- Return Policy: Nytke team Return Policy
Refurbished: Output 5V 20A 100W Power Supply For PWB-793G power panel ZWS100AF-5/J
- Model #: 753525991185
- Item #: 9SIVB8UKAA8008
- Return Policy: Magicpower Return Policy
Refurbished: For DH-DVR5416-L 16-way 960H hard disk video recorder Delta power supply
- Model #: 703454721704
- Item #: 9SIVB8UKAJ6648
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for PS-160 PS-150 AT power supply
- Model #: 792597713943
- Item #: 9SIVRWKKXD5572
- Return Policy: Nytke team Return Policy
Refurbished: DPS-300AB-72A PCB230 Power Supply 715184-001 667892-003
- Model #: 722954721656
- Item #: 9SIVB8UKAA6827
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for SR0M5POWERH SR8805 SR8808 SR8812 AC Power Module ...
- Model #: 792597710492
- Item #: 9SIVRWKKXD4260
- Return Policy: Nytke team Return Policy
Refurbished: 600 705 800 G2 160W 200W Power Supply, 792198792199-001905301-001
- Model #: 722954722738
- Item #: 9SIVB8UKAA6959
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for APR48-3G communication power module 54V 37.5A
- Model #: 792597717729
- Item #: 9SIVRWKKXD7035
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for DPS-75AB-4A 75W Chassis Power Supply DPS-150AB-27A 150W
- Model #: 792597724451
- Item #: 9SIVRWKKXD9066
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO D1200 3100C GX620 520 210L 320 330 740 755 280W Power Supply ...
- Model #: 744623301761
- Item #: 9SIVB8UKCV8184
- Return Policy: Magicpower Return Policy
Refurbished: PSU For IBN X236 670W Switching Power Supply 7000830-Y000 7000830-Y002 ...
- Model #: 753525935875
- Item #: 9SIVB8UKA99397
- Return Policy: Magicpower Return Policy
Refurbished: For FSP350-60UMDN FSP550-63PLN FSP300-70PFU FSP300-60HHN ...
- Model #: 703454720547
- Item #: 9SIVB8UKAJ6520
- Return Policy: Magicpower Return Policy
Refurbished: For YM-5501A server power supply 500W
- Model #: 726727730760
- Item #: 9SIVRWKKXA3314
- Return Policy: Nytke team Return Policy
Refurbished: 3040 3650 3250 3040 8Pin 180W Power Supply D180ES-00 L180ES-00 ...
- Model #: 753525935264
- Item #: 9SIVB8UKA99307
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for POWER-ONE MAP55-1012 Power Supply 60W
- Model #: 716837090540
- Item #: 9SIVB8UKX60855
- Return Policy: Magicpower Return Policy
Refurbished: For DPS-450AB-8 F 450W Server Power Supply REV: S1F 1PCS
- Model #: 726727725865
- Item #: 9SIVRWKKXA2654
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO HF35W-SE 24V1.5A 35W Power Supply HF35W-SE-24K
- Model #: 759950239731
- Item #: 9SIVB8UKDA0319
- Return Policy: Magicpower Return Policy
Refurbished: Communication Power Module HRS1150-Q000
- Model #: 722954727979
- Item #: 9SIVT8HKWF3225
- Return Policy: YunYunKeJiShiZhuangDian Return Policy
Refurbished: c240 248W Power Supply PCC014 Fujitsu CP371635-001
- Model #: 724780779559
- Item #: 9SIVB8UKAA6758
- Return Policy: Magicpower Return Policy
Refurbished: For PWS-2K04A-1R Server Redundant Power Supply 2000W
- Model #: 726727723045
- Item #: 9SIVRWKKXA2255
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 36-75V 12V25A Power Supply AVQ300-48S12-6L
- Model #: 759950245275
- Item #: 9SIVB8UKDA9241
- Return Policy: Magicpower Return Policy
Refurbished: For 15W 24V 0.65A Power Supply S8FS-G01524C
- Model #: 753525988697
- Item #: 9SIVB8UKAA7655
- Return Policy: Magicpower Return Policy
Refurbished: DL580 G9 Power Supply HSTNS-PL30-AD 748283-201 748287-B21 ...
- Model #: 724780182144
- Item #: 9SIVB8UKA98844
- 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.
