Power Supplies - Showing 2161 - 2184 of 17993 Products
Refurbished: RM4850H1 MR483000HG2A Communication Switching Power Supply Rectifier ...
- Type: ATX
- Model #: 703454923337
- Item #: 9SIVT8HKWF2598
- Return Policy: YunYunKeJiShiZhuangDian Return Policy
Refurbished: For R230 P3G94 AC250E-S0 250W Server Power Supply
- Model #: 792597703166
- Item #: 9SIVRWKKXD2300
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for YM-3531A YM-3531AAR SS5000J-16 Power Supply 530W GS3016
- Model #: 792597709670
- Item #: 9SIVRWKKXD4126
- Return Policy: Nytke team Return Policy
Refurbished: Power Supply 341-0533-02 PWR-C1-1025WAC
- Model #: 753525984927
- Item #: 9SIVB8UKAA9162
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO XPS 7760 Precision 5720 360W Power Supply L360EA-00 ...
- Model #: 744623314013
- Item #: 9SIVB8UKD21831
- Return Policy: Magicpower Return Policy
Refurbished: For PAC-500WA-BE S5730 S5720 500W AC POE Power Supply
- Model #: 752804577256
- Item #: 9SIVRWKKXB2174
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 500W Power Supply DPS-500AB-20A DPS-500AB-20 A ...
- Model #: 744623316840
- Item #: 9SIVB8UKD64477
- Return Policy: Magicpower Return Policy
Refurbished: HK400-57FP E1 GS400 300W Desktop ATX DIY Power Supply
- Model #: 703454717561
- Item #: 9SIVB8UKAJ6209
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for 24 pins HK340-71FP PS-5241-02 PC9053 PS-5181-02VG power supply
- Model #: 716837089278
- Item #: 9SIVB8UKX60312
- Return Policy: Magicpower Return Policy
Refurbished: For DPS-700EB E H3C 700W Server Redundant Power Supply Module
- Model #: 752804577010
- Item #: 9SIVRWKKXB2128
- Return Policy: Nytke team Return Policy
Refurbished: For FSP700-50HPN 700W Desktop Computer Power Supply 600W 500W
- Model #: 703454720707
- Item #: 9SIVB8UKAJ6532
- Return Policy: Magicpower Return Policy
Refurbished: For FSP250-50PLA FSP150-50GBA FSP250-50GBC FSP300-80GT Power ...
- Model #: 726727819472
- Item #: 9SIVRWKKXB1387
- Return Policy: Nytke team Return Policy
Refurbished: For R13 14 8950 T3660 1000W Power Supply Support 4080 4090
- Model #: 752804580416
- Item #: 9SIVRWKKXB2541
- Return Policy: Nytke team Return Policy
Refurbished: DC Power Supply for MPWR3 40--60Vdc 25A 2 Inputs
- Model #: 724780181840
- Item #: 9SIVB8UKA98826
- Return Policy: Magicpower Return Policy
Refurbished: 1U H128 H128C H129 270W Switching Power Supply SPI270LE
- Model #: 753525942200
- Item #: 9SIVSY0KUT1367
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: 1PCS for A227 CF00300 300- 2232-01 300- 2030-04 ECD14020012/05 Power ...
- Model #: 792597710904
- Item #: 9SIVRWKKXD4399
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for 6MKJ9 H3HY3 PrecisionT7600 T7610 1300W Power Supply
- Model #: 716837085508
- Item #: 9SIVB8UKX58638
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for FSP400-60APN ATX Power Supply
- Model #: 792597983261
- Item #: 9SIVB8UKX56881
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 54.5V9.54A 12V10.83A 600W Power Supply DPS-600AP-16 A ...
- Model #: 726099222634
- Item #: 9SIVB8UKCU6261
- Return Policy: Magicpower Return Policy
Refurbished: For Communication Power Module 3C17266
- Model #: 722954726248
- Item #: 9SIVT8HKWF3250
- Return Policy: YunYunKeJiShiZhuangDian Return Policy
Refurbished: For 00E7160 01AF543 00E7162 2B50 VRA004-0030
- Model #: 726727821062
- Item #: 9SIVRWKKXB1521
- Return Policy: Nytke team Return Policy
Refurbished: 3850 1100W Power Supply PWR-C1-1100WAC 341-0561-01 PA-1112-1A-LF ...
- Model #: 753525946239
- Item #: 9SIVB8UKA99687
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for G10 G15 Server Power Supply R1CA2551A 550W APM12V0004
- Model #: 792597709847
- Item #: 9SIVRWKKXD4149
- Return Policy: Nytke team Return Policy
Refurbished: 4U MRW-6400P Redundant Power Supply Server Power Supply
- Model #: 753525949407
- Item #: 9SIVB8UKAA0078
- 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.
