Power Supplies - Showing 2017 - 2040 of 17940 Products
Refurbished: 1Pcs for MD3260 MD3660F MD3060E TDPS-1760AB B 0D7RNC storage power ...
- Model #: 731029999951
- Item #: 9SIVRWKKXD1322
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for SR66040816 650W AC power supply LSQM1AC650 PSR650-A
- Model #: 716837088035
- Item #: 9SIVB8UKX59826
- Return Policy: Magicpower Return Policy
Refurbished: For 3Y YM-2281A 285W Server Redundant Power Module
- Model #: 722954731051
- Item #: 9SIVB8UKAA5702
- Return Policy: Magicpower Return Policy
Refurbished: For T420 R520 Power Supply 96R8Y F550E-S0 2G4WR DH550E-S1
- Model #: 726099254284
- Item #: 9SIVRWKKXD2050
- Return Policy: Nytke team Return Policy
Refurbished: 1pcs for 071-000-529 VNX5100 VNX5300 VNX5500 power supply GJ24J SG7011
- Model #: 716837097662
- Item #: 9SIVB8UKX62976
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for MINI 500W FSP500-60MRB(S) FSP500-80EVMR
- Model #: 716837092469
- Item #: 9SIVB8UKX61387
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for power module AA23470 output 12V17.5A power board AA23270
- Model #: 792597723270
- Item #: 9SIVRWKKXD8773
- Return Policy: Nytke team Return Policy
Refurbished: PSU For H3C S7502E DC 300W Switching Power Supply PSR320-D YM-1301C
- Model #: 753525935653
- Item #: 9SIVSY0KUU8572
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: 1Pcs for SP-PCM01-HE580-AC 0Y5W2H SC4020 SCV2020 584W Power Supply
- Model #: 716837084181
- Item #: 9SIVB8UKX57687
- Return Policy: Magicpower Return Policy
Refurbished: For NEC 915 945 965 Q45 Q57 Power Supply DPS-220SB A PCA040 ...
- Model #: 726727774979
- Item #: 9SIVRWKKXA4213
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 24V 1.7A 40W For ECM40US24
- Model #: 759950241505
- Item #: 9SIVB8UKDA8743
- Return Policy: Magicpower Return Policy
Refurbished: Communication Power Module STL1FANAF STL1APCBF
- Model #: 722954736988
- Item #: 9SIVT8HKWF3239
- Return Policy: YunYunKeJiShiZhuangDian Return Policy
Refurbished: HK700-12UEP S1 2U Industrial Control Rackmount Server Power Supply
- Model #: 722954721052
- Item #: 9SIVB8UKAA6741
- Return Policy: Magicpower Return Policy
Refurbished: DPS-800AB-1A S26113-E574-V53 A3C40175928 Power Supply
- Model #: 722954724770
- Item #: 9SIVB8UKAA7131
- Return Policy: Magicpower Return Policy
Refurbished: For MATX2004 MATX-2000 MATX-2403 GW-MATX300KTA
- Model #: 722954722110
- Item #: 9SIVB8UKAA6866
- Return Policy: Magicpower Return Policy
Refurbished: Z820 1125AB A DPS-850GB A 623195-001 632913-001 850W
- Model #: 724780777982
- Item #: 9SIVB8UKAA7601
- Return Policy: Magicpower Return Policy
Refurbished: DPS-1600AB-8 B Server Redundant Power Module
- Model #: 722954729966
- Item #: 9SIVB8UKAA5612
- Return Policy: Magicpower Return Policy
Refurbished: PBA1500F-48 Original Disassembly Miniaturized High Power Thin Power ...
- Model #: 753525987430
- Item #: 9SIVB8UKAA8757
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for Z420 DPS-400AB-13B 749552-001 749710-001 Workstation Power ...
- Model #: 792597725816
- Item #: 9SIVRWKKXD9510
- Return Policy: Nytke team Return Policy
Refurbished: For FSP500-80BU FSP180-50HPC FSP300-50HPC FSP550-60PLG Power ...
- Model #: 726727819304
- Item #: 9SIVRWKKXB1366
- Return Policy: Nytke team Return Policy
Refurbished: For 3650m4 3550M4 550W Server Power 43x3312 43x3311
- Model #: 726727730234
- Item #: 9SIVRWKKXA3250
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for HK300-41GP/SP 200W MATX SFX Small Chassis, Power Supply
- Model #: 792597984114
- Item #: 9SIVB8UKX57067
- Return Policy: Magicpower Return Policy
Refurbished: OptiPlex 790 990 390 3010 D04S SFF Desktop Small Chassis Power Supply
- Model #: 722954733352
- Item #: 9SIVB8UKAA5928
- Return Policy: Magicpower Return Policy
Refurbished: For FSP270-60LE FSPATX250W P4 HK250-93FP ITX Chassis FLEX NAS 1U Power ...
- Model #: 726727733785
- Item #: 9SIVRWKKXA4020
- 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.
