Power Supplies - Showing 2137 - 2160 of 17942 Products
Refurbished: KHACHIMO 3Y 405W Switching Power Supply YM-5411B
- Model #: 744623305073
- Item #: 9SIVB8UKD01877
- Return Policy: Magicpower Return Policy
Refurbished: For TDK-LAMBDA HWS300-5 Switching Power Supply Module 5V/60A
- Model #: 753525985597
- Item #: 9SIVSY0KUT7679
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: 1PCS for YM-2801D 800W NF5280 NF5270 NF8460 M5 Server Power Supply
- Model #: 792597704620
- Item #: 9SIVRWKKXD2540
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for Switching power supply 550W CSU550AP-3-501 power supply
- Model #: 792597711796
- Item #: 9SIVRWKKXD4642
- Return Policy: Nytke team Return Policy
Refurbished: Small 1U 250W Power Supply DPS-250AB-89J DPS-250AB-89 J
- Model #: 722954989384
- Item #: 9SIVB8UKAJ5597
- Return Policy: Magicpower Return Policy
Refurbished: Power Supply 341-0533-02 PWR-C1-1025WAC
- Model #: 753525985313
- Item #: 9SIVB8UKAA9176
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for 8233-E8B P750 Power Supply 74Y8431 74Y5811 00E7189
- Model #: 792597713288
- Item #: 9SIVRWKKXD4911
- Return Policy: Nytke team Return Policy
Refurbished: For ELTEK FLATPACK2 48/3000 HE WIND 241119.550 Power Supply
- Model #: 753525954937
- Item #: 9SIVB8UKAA0245
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for P2F-5400V P2H-5400V Industrial Server, Power Module 400W
- Model #: 792597724802
- Item #: 9SIVRWKKXD9241
- Return Policy: Nytke team Return Policy
Refurbished: For 300-1666-02 01 300-1906 300-1583 B1500 Power supply EPAP-420 420W
- Model #: 731029999982
- Item #: 9SIVRWKKXD1346
- Return Policy: Nytke team Return Policy
Refurbished: UCS C200 Server Power Supply CPB09-031A R2X0-PSU2-650W-SB
- Model #: 724780777937
- Item #: 9SIVB8UKAA7583
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for DPS-1200AB-16 B/S AC-139 B Server 1 + 1 Redundant power supply ...
- Model #: 792597725922
- Item #: 9SIVRWKKXD9491
- Return Policy: Nytke team Return Policy
Refurbished: AIR-PWR-5500-AC SPACSCO-20 For 5500 Series Power Supply
- Model #: 753525949216
- Item #: 9SIVB8UKAA0101
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for AX4-5 NX4-5 0KW255 Storage Power Supply 071-000-503 ...
- Model #: 792597712670
- Item #: 9SIVRWKKXD4840
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO XW8600 power supply DPS-1050CB 440860-001 442038-001 ...
- Model #: 703454717523
- Item #: 9SIVB8UKAJ6189
- Return Policy: Magicpower Return Policy
Refurbished: PAC800D12-B1 server power supply 12V/66A/800W platinum redundant ...
- Model #: 703454723128
- Item #: 9SIVB8UKAJ6782
- Return Policy: Magicpower Return Policy
Refurbished: R100-15 Original Disassembly Switching Power Supply 15V/7A
- Model #: 753525957938
- Item #: 9SIVB8UKAA9020
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO PSU For 3Y 1600W Power Supply FSP1600-29FM 9PA16A1201
- Model #: 726099222061
- Item #: 9SIVB8UKCU6134
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Small 1U 20Pin 60W Power Supply KSD-060F4
- Model #: 759950249365
- Item #: 9SIVB8UKDF9573
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO S5624P S5648P 130W Power Supply PSL130-AD-H
- Model #: 759950245398
- Item #: 9SIVB8UKDA9286
- Return Policy: Magicpower Return Policy
Refurbished: For DPS-600AB-8A Video Server 1U600W Power POE Power Supply
- Model #: 722954733581
- Item #: 9SIVB8UKAA5969
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO For FSP 610H 610G 610L 810 Rated 300W Peak 350W Switching ...
- Model #: 744623311210
- Item #: 9SIVB8UKD12147
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 670W Switching Power Supply DPS-670DB A D23504-004
- Model #: 744623306094
- Item #: 9SIVB8UKD01947
- Return Policy: Magicpower Return Policy
Refurbished: For Dawn A840-G10 Server Power Supply YM-2102F 1000W YM-2102FBR
- Model #: 722954722295
- Item #: 9SIVB8UKAA6886
- 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.
