Power Supplies - Showing 1921 - 1944 of 17942 Products
Refurbished: For Power-One PFE600-12-054NA Power Supply AC/DC 600W Redundant ...
- Model #: 722954737459
- Item #: 9SIVB8UKAA6377
- Return Policy: Magicpower Return Policy
Refurbished: For PWS-1K66P-1R 1600W 4028GR Server Power Supply DPS-1600CB D
- Model #: 726727724776
- Item #: 9SIVRWKKXA2487
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO New Switching Power Supply For TDK-LAMBDA Vega-Lite 550 550W ...
- Model #: 759950242618
- Item #: 9SIVB8UKDA8861
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 1010W Switching Power Supply G1W-3A12
- Model #: 726099222368
- Item #: 9SIVB8UKCU6252
- Return Policy: Magicpower Return Policy
Refurbished: 12V33A 400W monitoring equipment power supply CL-A1-400-12 24V ...
- Model #: 703454722435
- Item #: 9SIVB8UKAJ6695
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for X3650 DPS-835AB A 24R2730 39Y7377 39Y7378 Server power supply ...
- Model #: 792597724826
- Item #: 9SIVRWKKXD9228
- Return Policy: Nytke team Return Policy
Refurbished: UCS C200 Server Power Supply CPB09-031A R2X0-PSU2-650W-SB
- Model #: 753525986969
- Item #: 9SIVB8UKAA8670
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for/3090 5090 7090 T3450 Power supply 200W 6P 4P 4P interface
- Model #: 792597984220
- Item #: 9SIVB8UKX57064
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO PSU For SAMKEN 1600W Power Supply PTS162M1212
- Model #: 726099222801
- Item #: 9SIVB8UKCU6281
- Return Policy: Magicpower Return Policy
Refurbished: X4630G 12Pin 220W Power Supply PS-3221-9AE PS-3221-9AB PE-3221-2AB ...
- Model #: 753525945485
- Item #: 9SIVB8UKA99636
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for S5600T S5800T Expansion Cabinet Power Supply 0213G006 ...
- Model #: 716837097419
- Item #: 9SIVB8UKX62923
- Return Policy: Magicpower Return Policy
Refurbished: 750W Power Supply R530 R630 R730 Server Power Supply W8R3C L750E-S0
- Model #: 722954732959
- Item #: 9SIVB8UKAA5913
- Return Policy: Magicpower Return Policy
Refurbished: TX100 S3 Power Supply S26113-E563-V50-01 DPS-250AB-62 A 250W
- Model #: 703454721100
- Item #: 9SIVB8UKAJ6595
- Return Policy: Magicpower Return Policy
Refurbished: RMG-4514-00 DS200 RAID Cabinet 450W Power Supply
- Model #: 722954730146
- Item #: 9SIVB8UKAA5589
- Return Policy: Magicpower Return Policy
Refurbished: P520 P720 900W Server Power DPS-900EB A P/N: 54Y8979
- Model #: 722954988189
- Item #: 9SIVB8UKAA6558
- Return Policy: Magicpower Return Policy
Refurbished: For DPS-300AB-70A DPS-300AB-70 A PS8-300ATX-D 96PS-A300WPS2
- Model #: 726727819106
- Item #: 9SIVRWKKXB1266
- Return Policy: Nytke team Return Policy
Refurbished: For AIN-3400P 400W power supply
- Model #: 726727724523
- Item #: 9SIVRWKKXA2546
- Return Policy: Nytke team Return Policy
Refurbished: 1pcs for 23R9722 23R9723 5619 80GB/160GB DAT160 46C2688 46C2689
- Model #: 792597984510
- Item #: 9SIVB8UKX57088
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO ATX 400W Switching Power Supply ST-400PAH
- Model #: 744623303543
- Item #: 9SIVB8UKCW6127
- Return Policy: Magicpower Return Policy
Refurbished: For ST-352UAG-05E 2U 350W 2U Industrial Computer Server Firewall Security ...
- Model #: 703454719732
- Item #: 9SIVB8UKAJ6438
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO FAS8060 FAS804 1300W Power Supply DCJ13002-01PLF ...
- Model #: 759950244834
- Item #: 9SIVB8UKDA9195
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO DL580 G8 G9 1200W Power Supply HSTNS-PL30-AD ...
- Model #: 744623304298
- Item #: 9SIVB8UKCW6188
- Return Policy: Magicpower Return Policy
Refurbished: New Power Supply For EX4200-48P-24P 930W Power Supply EDPS-930AB A ...
- Model #: 722954989247
- Item #: 9SIVB8UKAJ5585
- Return Policy: Magicpower Return Policy
Refurbished: For Endoscope Power Supply PN 3602-01571
- Model #: 731029999265
- Item #: 9SIVRWKKXD1020
- 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.
