Power Supplies - Showing 2377 - 2400 of 17942 Products
Refurbished: 1pcs for LE02PSA08 800W S9303 S9306 S9312
- Model #: 792597985807
- Item #: 9SIVB8UKX57406
- Return Policy: Magicpower Return Policy
Refurbished: For NF5220 NF5240M3 SA5212S 2U server power supply, Great Wall ...
- Model #: 726727723403
- Item #: 9SIVRWKKXA2374
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO CWA2-1000-10-TY01 1U 1000W CPSU-0240 power module
- Model #: 745635673631
- Item #: 9SIVB8UKD64799
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO For FSP 610H 610G 610L 810 Rated 300W Peak 350W Switching ...
- Model #: 744623311333
- Item #: 9SIVB8UKD12149
- Return Policy: Magicpower Return Policy
Refurbished: For 14 pin 280W power supply H530 M8400T TS230 ...
- Model #: 752804580362
- Item #: 9SIVRWKKXB2606
- Return Policy: Nytke team Return Policy
Refurbished: EVM-4014-00 For ElanVital 2U Hard Disk Array Cabinet Power Supply 400W
- Model #: 724780779283
- Item #: 9SIVB8UKAA6701
- Return Policy: Magicpower Return Policy
Refurbished: OMR200-48A Communication Switching Power Module
- Model #: 722954726309
- Item #: 9SIVT8HKWF3079
- Return Policy: YunYunKeJiShiZhuangDian Return Policy
Refurbished: For RX300/S4 700W Power Supply DPS-700KB A3C40093202
- Model #: 726727728156
- Item #: 9SIVRWKKXA2840
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 800W Switching Power Supply DPS-800AB-37 A DPS-800AB-37A
- Model #: 744623316369
- Item #: 9SIVB8UKD46520
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO FLEX Small 1U 250W Switching Power Supply FSB009
- Model #: 726099221392
- Item #: 9SIVB8UKCU6107
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for T630 T640 R740/XD R640 T640 1100W 1600W Power Supply 95HR5 ...
- Model #: 792597983681
- Item #: 9SIVB8UKX56998
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Switching Power Supply For ZXDT02 SC50 ZXDT02 ...
- Model #: 759950244445
- Item #: 9SIVB8UKDA9184
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 1U 250W Switching Power Supply H1U-6250P H1U-6150P ...
- Model #: 744623303864
- Item #: 9SIVSY0KUS4023
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: 1pcs for DS850DC-3-004 850W power supply, power supply
- Model #: 792597715619
- Item #: 9SIVRWKKXD6252
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for 600W server power supply DPS-600SB E S1F 856-851388-001-C
- Model #: 726099251979
- Item #: 9SIVRWKKXD1629
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 280G2 400G4 m710e 720e 510S M420 6Pin 450W Power Supply ...
- Model #: 744623302775
- Item #: 9SIVB8UKCV8267
- Return Policy: Magicpower Return Policy
Refurbished: 71W 5V 10A Power Supply For P50-5
- Model #: 753525989830
- Item #: 9SIVB8UKAA7769
- Return Policy: Magicpower Return Policy
Refurbished: For AD701M53.5-1M1 Communication Power Module
- Model #: 722954726392
- Item #: 9SIVT8HKWF3242
- Return Policy: YunYunKeJiShiZhuangDian Return Policy
Refurbished: S7806 PWR-SPA
- Model #: 722954723605
- Item #: 9SIVB8UKAA7014
- Return Policy: Magicpower Return Policy
Refurbished: For PS-2112-5L power supply 1200W server power supply PS-2112
- Model #: 726727820393
- Item #: 9SIVRWKKXB1512
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 2700W Power Supply RG-PA2700I
- Model #: 759950247125
- Item #: 9SIVB8UKDF9371
- Return Policy: Magicpower Return Policy
Refurbished: UCSC-PSU1-1050W 1 pcs Power Supply V01 341-0638-01 AC
- Model #: 753525934342
- Item #: 9SIVB8UKA99237
- Return Policy: Magicpower Return Policy
Refurbished: For ENP 7025D 250W 1U Power Supply
- Model #: 752804577638
- Item #: 9SIVRWKKXB2182
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 520 7703 8203-E4A P6 950W Switching Power Supply ...
- Model #: 744623314433
- Item #: 9SIVB8UKD21859
- 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.
