Power Supplies - Showing 1993 - 2016 of 17940 Products
Refurbished: QWF1EMUA 32PORT Communication Power Supply
- Model #: 722954727931
- Item #: 9SIVB8UKAA7458
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Switching Power Supply For TYCO 300-1852 V215 V245 V445 X4200 ...
- Model #: 759950241680
- Item #: 9SIVB8UKDA8721
- Return Policy: Magicpower Return Policy
Refurbished: 200 4000 6000 6200 8000 240W Power Supply PCA019 PC9058 PCA021 ...
- Model #: 753525935523
- Item #: 9SIVB8UKA99404
- Return Policy: Magicpower Return Policy
Refurbished: For PWS-2K04A-1R Server Power Supply 2000W
- Model #: 726099253720
- Item #: 9SIVRWKKXD1953
- Return Policy: Nytke team Return Policy
Refurbished: Power Supply for Nipron ePCSA-500P ePCSA-500P-X2S 500W
- Model #: 753525985559
- Item #: 9SIVB8UKAA9201
- Return Policy: Magicpower Return Policy
Refurbished: For 10-pin power supply HK350-12PP PCE026 FSP250-30AGBAA
- Model #: 752804580393
- Item #: 9SIVRWKKXB2526
- Return Policy: Nytke team Return Policy
Refurbished: For CPCI-A-3U-300C telkoor CPCI ac -3u-300W CPCIac-3u-300
- Model #: 726727723977
- Item #: 9SIVRWKKXA2549
- Return Policy: Nytke team Return Policy
Refurbished: 1pcs for TNF5APIU power module
- Model #: 792597720316
- Item #: 9SIVRWKKXD7836
- Return Policy: Nytke team Return Policy
Refurbished: For X3650M2 M3 X3550M2 M3 675W server power supply 39Y7201 39Y7227 ...
- Model #: 726727817614
- Item #: 9SIVRWKKXB0846
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO PSU 220W Power Supply R1U-2220V R1U2-5220V4H
- Model #: 726099221323
- Item #: 9SIVB8UKCN1236
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for C9500 PWR-C4-950WAC-R 341-100601-01 AC Power Module
- Model #: 792597725656
- Item #: 9SIVRWKKXD9488
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for ML150G6 ML330 DPS-460DB-2 A 466610-001 519742 Server Power ...
- Model #: 792597724840
- Item #: 9SIVRWKKXD9256
- Return Policy: Nytke team Return Policy
Refurbished: C521 GX620 GX520 745 740 DT H280P-01 L280P-01 D280P-00 280W
- Model #: 753525956627
- Item #: 9SIVB8UKAA8887
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for S5300V3 02311DEP PAC800D1205-CE 800W AC Power Supply
- Model #: 792597709694
- Item #: 9SIVRWKKXD4113
- Return Policy: Nytke team Return Policy
Refurbished: For PFC Power Supply JPS200P(4.5V) 4.5V 40A 200W
- Model #: 753525988383
- Item #: 9SIVB8UKAA8304
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for 1600W server power supply PSSF162202A G36234-009 G36234-005
- Model #: 792597711154
- Item #: 9SIVRWKKXD4564
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for CE8860-4C-EI core switching power supply PAC-1K2WA-F ...
- Model #: 792597718054
- Item #: 9SIVRWKKXD7040
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for R720 R620 R820 Server 750W Power Supply DPS-750AB-2D ...
- Model #: 792597723201
- Item #: 9SIVRWKKXD8798
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO X3650M5 750W Switching Power Supply DPS-750AB-37 A ...
- Model #: 744623314730
- Item #: 9SIVB8UKD21879
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for R48-3500E Communication Power Module 53.5v50A
- Model #: 716837095378
- Item #: 9SIVB8UKX62426
- Return Policy: Magicpower Return Policy
Refurbished: For MSL5030 MSL5026 Tape Library Power Supply RAS-2662P 968769-101
- Model #: 726727725735
- Item #: 9SIVRWKKXA2692
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for 450W 510S B415 M510 M610 E74S TFX10 pin desktop small power ...
- Model #: 792597707652
- Item #: 9SIVRWKKXD3721
- Return Policy: Nytke team Return Policy
Refurbished: For Iok ATX-320T 1U300 300W Industrial Control Power Supply
- Model #: 722954724596
- Item #: 9SIVB8UKAA7110
- Return Policy: Magicpower Return Policy
Refurbished: For 7000 5000MT Power Supply 500W 3910 F3J97 NC77H T685J 1756V ...
- Model #: 726727729337
- Item #: 9SIVRWKKXA2969
- Return Policy: Nytke team 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.
