Power Supplies - Showing 1921 - 1944 of 17943 Products
Refurbished: SPR2C620 SPR1C620 Array Networks APV 3520 5200 620W Switching Power ...
- Model #: 753525948585
- Item #: 9SIVB8UKAA0032
- Return Policy: Magicpower Return Policy
Refurbished: 1600W Switching Power Supply PSSF162205A J78186-005
- Model #: 753525946703
- Item #: 9SIVB8UKA99725
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for 1100W power supply YM-2112A YM-2112AAR
- Model #: 716837084969
- Item #: 9SIVB8UKX58403
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 495W Power Supply 7315446 DS495SPE-3
- Model #: 759950249075
- Item #: 9SIVB8UKDF9559
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for X306M power supply 24R2673 24R2674 39Y7295 API4FS40-030L
- Model #: 726099252303
- Item #: 9SIVRWKKXD1623
- Return Policy: Nytke team Return Policy
Refurbished: For GW-CRPS550B N Server Power Supply GW-CRPS550S-2H 550W
- Model #: 752804578048
- Item #: 9SIVRWKKXB2225
- Return Policy: Nytke team Return Policy
Refurbished: For I620-G20 G10 A420R-G A620R-G 550W Redundant Power Supply ...
- Model #: 726727817584
- Item #: 9SIVRWKKXB0845
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 80plus Platinum Quanta D51PC-1U D52T-1U 700W Switching ...
- Model #: 744623308265
- Item #: 9SIVB8UKD06302
- Return Policy: Magicpower Return Policy
Refurbished: AX150 Power Supply PN: 071-000-457
- Model #: 722954725289
- Item #: 9SIVB8UKAA7185
- Return Policy: Magicpower Return Policy
Refurbished: For GW-CDM200SDA-TF 12-Pin 200W 10th Generation Host Power Supply
- Model #: 722954721663
- Item #: 9SIVB8UKAA6831
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for 81Y2432 59Y5260 DS5020 controller battery
- Model #: 726099252860
- Item #: 9SIVRWKKXD1821
- Return Policy: Nytke team Return Policy
Refurbished: PAA75F-24 Original Disassembly Switching Power Supply 24V/3.2A
- Model #: 753525984439
- Item #: 9SIVB8UKAA9113
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO POWER 12V 350W Power Supply EMH350PS12
- Model #: 759950239755
- Item #: 9SIVB8UKDA0321
- Return Policy: Magicpower Return Policy
Refurbished: EX4300-48P 550W Power Supply JPSU-550-DC-AFO 740-046875 DPS-550RB ...
- Model #: 703454716311
- Item #: 9SIVB8UKAJ6022
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 8Pin 240W Power Supply H0GX2 0H0GX2 D240EBS-00 ...
- Model #: 744623317564
- Item #: 9SIVB8UKD64669
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for FSP400-60PFI industrial computer power supply IPC547C 400W
- Model #: 716837090564
- Item #: 9SIVB8UKX60863
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for 3080 5080 7080 XE3 3890 3690 3881 Power supply 500W H500EPM-00
- Model #: 716837089131
- Item #: 9SIVB8UKX60302
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO For SPI With P6 300W Switching Power Supply FSP300-60PFN12V
- Model #: 744623303680
- Item #: 9SIVB8UKCW6134
- Return Policy: Magicpower Return Policy
Refurbished: Power Supply Module 1450W 48V 25A HD4825-3
- Model #: 724780181734
- Item #: 9SIVSY0KUT5083
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: 1PCS for DPS-800NB D S26113-E574-V52 Server Power Supply 800W
- Model #: 731029999975
- Item #: 9SIVRWKKXD1329
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for 3668SFF 3050MT 7050MT Power supply H360EGM-00 VM8KR 360W ...
- Model #: 726099251955
- Item #: 9SIVRWKKXD1521
- Return Policy: Nytke team Return Policy
Refurbished: For EFRP-400 400W Servers, Power Modules
- Model #: 726727817188
- Item #: 9SIVRWKKXB0979
- Return Policy: Nytke team Return Policy
Refurbished: For FSP400-60PFB Industrial Control Power Supply ...
- Model #: 722954732171
- Item #: 9SIVB8UKAA5808
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for 10-Pin PCJ007 PCK014 510S M410 M428 Desktop Power Supply ...
- Model #: 716837096870
- Item #: 9SIVB8UKX62807
- 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.
