Power Supplies - Showing 1993 - 2016 of 17943 Products
Refurbished: For P900 P910 1300W Workstation Power Supply DPS-1300FB FRU: 54Y8906
- Model #: 792597702855
- Item #: 9SIVRWKKXD2191
- Return Policy: Nytke team Return Policy
Refurbished: For ML350E G8 CPU 677426-001 687456-001 729111-001
- Model #: 752804574446
- Item #: 9SIVRWKKXB1839
- Return Policy: Nytke team Return Policy
Refurbished: SP 48/3000 53.5V/53A Communication Power Rectifier Module
- Model #: 753525986792
- Item #: 9SIVT8HKWF3044
- Return Policy: YunYunKeJiShiZhuangDian Return Policy
Refurbished: DS-C48-300AC power supply DS-C9148-K9 switch power supply
- Model #: 703454722602
- Item #: 9SIVB8UKAJ6756
- Return Policy: Magicpower Return Policy
Refurbished: For DENSEI-LAMBDA 30W Power Supply For LWT30H-522
- Model #: 753525990577
- Item #: 9SIVB8UKAA7910
- Return Policy: Magicpower Return Policy
Refurbished: DCJ6502-04 JPSU-650W-AC-AO 740-070749 650W Power Supply
- Model #: 753525955514
- Item #: 9SIVB8UKAA0337
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 3.3V 60A 300W Power Supply HWS300-3 HWS300
- Model #: 759950247507
- Item #: 9SIVSY0KUV2951
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: SDU60-02 booster controller communication power module server power ...
- Model #: 703454722350
- Item #: 9SIVB8UKAJ6715
- Return Policy: Magicpower Return Policy
Refurbished: For AC100-240V 25W 5V DC 5A Power Supply S8FS-C02505
- Model #: 753525988499
- Item #: 9SIVB8UKAA7668
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for U25 U45 300- 1800-02/03 1000W API4FS35-470G API4FS35 power ...
- Model #: 716837097730
- Item #: 9SIVB8UKX63004
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 960W Switching Power Supply G1W-3960V
- Model #: 744623305615
- Item #: 9SIVB8UKD01899
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for SPI700A8BB ATX480-55HYN SPI500U4BB ELT500AWT-ECO ...
- Model #: 716837087274
- Item #: 9SIVB8UKX59360
- Return Policy: Magicpower Return Policy
Refurbished: For HiTek Switching Power Supply HTK-110C
- Model #: 722954721441
- Item #: 9SIVSY0KUS0363
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: For R410 redundant power supply H319J
- Model #: 726727731262
- Item #: 9SIVRWKKXA3351
- Return Policy: Nytke team Return Policy
Refurbished: For Storage Power Server VT450AB 220A 450W
- Model #: 722954729706
- Item #: 9SIVB8UKAA5562
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for Industrial equipment power supply WRB05SX-U
- Model #: 792597713967
- Item #: 9SIVRWKKXD5554
- Return Policy: Nytke team Return Policy
Refurbished: FSP850-0AWSE P500 P700 P710 850W Workstation Power Supply 54Y8907
- Model #: 703454925447
- Item #: 9SIVB8UKA98739
- Return Policy: Magicpower Return Policy
Refurbished: 3040 3046 5040 7040 SFF DPS-180AB-18A 0M1C3 6WX7D CV7D3 9XD51 ...
- Model #: 753525985887
- Item #: 9SIVB8UKAA8476
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for UCS-PSU-6248UP-AC power supply P/N: 341-0506-01
- Model #: 792597726523
- Item #: 9SIVRWKKXD9626
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for CA05954-1440 CA05954-2010 Power Supply
- Model #: 792597711147
- Item #: 9SIVRWKKXD4547
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO ElileOne 800 AIO 200W Switching Power Supply APC002 ...
- Model #: 744623299839
- Item #: 9SIVB8UKCU6627
- Return Policy: Magicpower Return Policy
Refurbished: For FSP220-50FEB TURBO COOL 400 SLIM ATX Industrial Control Power Supply
- Model #: 726727819281
- Item #: 9SIVRWKKXB1384
- Return Policy: Nytke team Return Policy
Refurbished: Power Supply UMP4C-S2L-S2Q-03-A
- Model #: 753525990997
- Item #: 9SIVB8UKAA8026
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Power Supply For XP POWER Power Supply X9-4U4U-0012
- Model #: 759950241918
- Item #: 9SIVB8UKDA8764
- 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.
