Power Supplies - Showing 2305 - 2328 of 17930 Products
Refurbished: KHACHIMO T7910 T5810 T7810 T7610 1300W Power Supply H1300EF-02 ...
- Model #: 744623305912
- Item #: 9SIVB8UKD01924
- Return Policy: Magicpower Return Policy
Refurbished: For CA01022-0690 371-2219 M8000 M9000 Power Supply
- Model #: 726727775983
- Item #: 9SIVRWKKXA5076
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for 450W 500W SFX ITX Small Power Supply FSP450-60GHS
- Model #: 716837091806
- Item #: 9SIVB8UKX61137
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs power supply for 10th generation 3880 3681 3690 3890 7080 8940 ...
- Model #: 716837089520
- Item #: 9SIVB8UKX60476
- Return Policy: Magicpower Return Policy
Refurbished: 1100W Power Supply BM-1112-01X
- Model #: 703454715499
- Item #: 9SIVB8UKAJ5911
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for DPS-980AB A 614-0383/0409/0400 DPS-980BB A API6PC01 power ...
- Model #: 792597710324
- Item #: 9SIVRWKKXD4282
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for solar MPPT monitoring, fast, shutdown OPT700-RS
- Model #: 792597718511
- Item #: 9SIVRWKKXD7196
- Return Policy: Nytke team Return Policy
Refurbished: For R8 R10 Area 51 1500W Power Supply D1500EF-00 800GY 0VK3T
- Model #: 726099253300
- Item #: 9SIVRWKKXD1840
- Return Policy: Nytke team Return Policy
Refurbished: For 00J0254 IBM P740 P720 VRM
- Model #: 752804573586
- Item #: 9SIVRWKKXB1684
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 2U APFC 80+ 650W Switching Power Supply SS-650H2U
- Model #: 744623298450
- Item #: 9SIVB8UKCU6455
- Return Policy: Magicpower Return Policy
Refurbished: For 0957-2198 2320 RX3600 RX4640 RX6600
- Model #: 726099254192
- Item #: 9SIVRWKKXD2055
- Return Policy: Nytke team Return Policy
Refurbished: HD4825 Communication Power Supply 48V/25A
- Model #: 724780181055
- Item #: 9SIVSY0KUS8861
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: 1Pcs for 14 Pin Power Supply FSP240-40SBV HK280-71F H3050 530S M4500
- Model #: 716837089193
- Item #: 9SIVB8UKX60326
- Return Policy: Magicpower Return Policy
Refurbished: IFRP-532NF IFRP-532NFE 530W RAID Redundant Power Supply
- Model #: 722954731136
- Item #: 9SIVB8UKAA5685
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO DC48V 400W Switching Power Supply DP1S-2400V-R
- Model #: 744623298030
- Item #: 9SIVB8UKCU6428
- Return Policy: Magicpower Return Policy
Refurbished: Power HK600-12FP
- Model #: 703454718636
- Item #: 9SIVB8UKAJ6341
- Return Policy: Magicpower Return Policy
Refurbished: For AD151M12-1M1 switching power module PM-AC150W-12
- Model #: 752804578277
- Item #: 9SIVRWKKXB2273
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for F5 5000S 5050S 7000S 73-610-125 PWR-0227-02/03/04/05 Power ...
- Model #: 726099252112
- Item #: 9SIVRWKKXD1657
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for 7001605-7000 94Y8071 94Y8070 12V60A 750W Platinum Power ...
- Model #: 792597705276
- Item #: 9SIVRWKKXD2752
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for R2W-6500P-R R2W-6460P-R R2Z-6400P/6350P-R (ROHS) Power ...
- Model #: 792597709373
- Item #: 9SIVRWKKXD3981
- Return Policy: Nytke team Return Policy
Refurbished: For X763-R6 Power Supply 1300W 114-00063 + A0 TDPS-1350AB B
- Model #: 752804574620
- Item #: 9SIVRWKKXB1849
- Return Policy: Nytke team Return Policy
Refurbished: MER048-50A Communication Power Rectifier Module MER048-50010-RB/RD
- Model #: 753525957976
- Item #: 9SIVT8HKWF2622
- Return Policy: YunYunKeJiShiZhuangDian Return Policy
Refurbished: For 8632N-K8 Recorder Power Supply DPS200PB-208A 200W
- Model #: 752804576716
- Item #: 9SIVRWKKXB2116
- Return Policy: Nytke team Return Policy
Refurbished: Power Supply R-SENDA Power Supply SD-A300EH
- Model #: 703454715444
- Item #: 9SIVB8UKAJ5901
- 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.
