Power Supplies - Showing 2233 - 2256 of 17938 Products
Refurbished: 1Pcs for DCDB48-200-16B 5G switching power supply, capacity 200A
- Model #: 792597717545
- Item #: 9SIVRWKKXD6868
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO Small 1U 12Pin+8Pin 500W Switching Power Supply FSD059 ...
- Model #: 744623302065
- Item #: 9SIVB8UKCV8206
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Power Supply For FSP 300W Power Supply FSP300-70PFL(SK) ...
- Model #: 759950249310
- Item #: 9SIVB8UKDF9585
- Return Policy: Magicpower Return Policy
Refurbished: For ZWQ130-5222/A TDK-LAMBDA Switching Power Supply
- Model #: 703454720912
- Item #: 9SIVSY0KUT0403
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: 1PCS for PSD250M PSD200M 36V48V72V Power Supply
- Model #: 792597723447
- Item #: 9SIVRWKKXD8759
- Return Policy: Nytke team Return Policy
Refurbished: Communication Power Module RM4830J4
- Model #: 753525984781
- Item #: 9SIVT8HKWF2815
- Return Policy: YunYunKeJiShiZhuangDian Return Policy
Refurbished: For HDS HUS150 VM DW700 Power 3285165-A HS0998 Storage Power Supply
- Model #: 726727817058
- Item #: 9SIVRWKKXB0680
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO AIO E93Z SB85 S740 S780 S800-10 S850 14Pin 150W Power Supply ...
- Model #: 744623299921
- Item #: 9SIVB8UKCU6659
- Return Policy: Magicpower Return Policy
Refurbished: S82J-60024 Switching Power Supply 24VDC 27A
- Model #: 753525948097
- Item #: 9SIVB8UKA99986
- Return Policy: Magicpower Return Policy
Refurbished: 10-pin+4-pin Desktop Small Power Supply HK280-23PP Yangtian ...
- Model #: 722954733369
- Item #: 9SIVB8UKAA5930
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS For R12-1K6P2A RQ940 NF8470 M3 1600W Power Supply
- Model #: 716837096283
- Item #: 9SIVB8UKX62707
- Return Policy: Magicpower Return Policy
Refurbished: FSP 48V 3.75A Power Supply For FSP180-1H35-48
- Model #: 753525991048
- Item #: 9SIVSY0KUT7430
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: 235P-01 F235E-00 H235E-00 H235P-00 AC235AS-00 D235ES-00
- Model #: 722954987496
- Item #: 9SIVB8UKAA6474
- Return Policy: Magicpower Return Policy
Refurbished: Z640 WS Power Supply 925W,719797-001 758468-001 D12-925P1A
- Model #: 722954988059
- Item #: 9SIVB8UKAA6552
- Return Policy: Magicpower Return Policy
Refurbished: PAC1000S56-CB S5731/5735 1000W AC Switch PoE Power Supply Module
- Model #: 722954732461
- Item #: 9SIVB8UKAA5868
- Return Policy: Magicpower Return Policy
Refurbished: For T420 power supply 550W F550E-S0 2G4WR 96R8Y DH550E-S1
- Model #: 731029999227
- Item #: 9SIVRWKKXD1155
- Return Policy: Nytke team Return Policy
Refurbished: For T5600/T5610 825W workstation power supply 0G57YP 0RHHKV
- Model #: 752804574774
- Item #: 9SIVRWKKXB1887
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for ESR-48/50DE ESR-48/50DE Communication Power Supply 48V50A
- Model #: 716837094845
- Item #: 9SIVB8UKX62287
- Return Policy: Magicpower Return Policy
Refurbished: For 3250 3046 5040 7040 7050MT Power 600w 8P + 4P Graphics Dual 8
- Model #: 726727729160
- Item #: 9SIVRWKKXA2946
- Return Policy: Nytke team Return Policy
Refurbished: 2000W Switching Power Supply PAC2000S12-BG PAC2000S12-BE
- Model #: 753525945560
- Item #: 9SIVB8UKA99614
- Return Policy: Magicpower Return Policy
Refurbished: ESR-48/56AC Communication Power Module
- Model #: 722954732713
- Item #: 9SIVT8HKWF3046
- Return Policy: YunYunKeJiShiZhuangDian Return Policy
Refurbished: KHACHIMO Power Supply For COSEL 5V 50W Power Supply ACS50B-5 ACS50B
- Model #: 759950243998
- Item #: 9SIVB8UKDA9133
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 450W For ORION-450AX
- Model #: 759950249099
- Item #: 9SIVB8UKDF9566
- Return Policy: Magicpower Return Policy
Refurbished: For 24-pin 280W power supply 280HK380-12GP PC6001 PS-5281-7VR ...
- Model #: 752804579991
- Item #: 9SIVRWKKXB2527
- 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.
