Power Supplies - Showing 2137 - 2160 of 18222 Products
Refurbished: 1PCS for MCP300D-4.5 Slim Power Supply test well
- Model #: 792597714995
- Item #: 9SIVRWKKXD6035
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 60W For X1F-60V X1F2-60V
- Model #: 759950248856
- Item #: 9SIVB8UKDF9564
- Return Policy: Magicpower Return Policy
Refurbished: U1A-G10750-DR 750W Switched Power Supply
- Model #: 722954731082
- Item #: 9SIVB8UKAA5714
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 3Y H3C S6860 450W Switching Power Supply PSR450-12AHD ...
- Type: ATX
- Model #: 744623309675
- Item #: 9SIVSY0KUV7201
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: DPS-500YB B 500W 1U Fully Tested,High Quality
- Model #: 724780182496
- Item #: 9SIVB8UKA98933
- Return Policy: Magicpower Return Policy
Refurbished: PS-2551-5L 550W For Inspur SA5212M4 NF5270 NF5280M5 Server Power ...
- Model #: 722954987113
- Item #: 9SIVTE8KXH6358
- Return Policy: Coretix Return Policy
Refurbished: 1Pcs for R48-2000E3 Communication Rectifier Module R48-2000E3
- Model #: 792597717330
- Item #: 9SIVRWKKXD6874
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO AIO OptiPlex 3250 5250 7450 18Pin 155W Power Supply ...
- Model #: 744623300108
- Item #: 9SIVB8UKCU6691
- Return Policy: Magicpower Return Policy
Refurbished: For: CPR-1621-1M2 server power supply 1pcs
- Model #: 726727730616
- Item #: 9SIVRWKKXA3244
- Return Policy: Nytke team Return Policy
Refurbished: 500W Power Supply 740-029712 YM-2501C PWR-MX80-DC-S-A MX80
- Model #: 753525940978
- Item #: 9SIVSY0KUV7147
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: KHACHIMO D06S 660S V270S 3647 220W 460W For L220AS-00 H220NS-00 ...
- Model #: 745635674966
- Item #: 9SIVB8UKDA0228
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 520W Switching Power Supply SPR1C520
- Model #: 744623315102
- Item #: 9SIVB8UKD21948
- Return Policy: Magicpower Return Policy
Refurbished: For R620 R720 R520 1100W DC Power Supply E1100D-S0 5G4WK Y1MGX
- Model #: 726727734102
- Item #: 9SIVRWKKXA3871
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for MI1000-212/12V to 220V1000W inverter power supply, input ...
- Model #: 792597718580
- Item #: 9SIVRWKKXD7210
- Return Policy: Nytke team Return Policy
Refurbished: For FSP 460W Power Supply FSPAX460-PFL01 FSPAX460-PFL
- Model #: 703454717165
- Item #: 9SIVB8UKAJ6141
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS power supply for CPA250-4530S216G switching power module 250W
- Model #: 792597724086
- Item #: 9SIVRWKKXD8935
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for ETP23006-C1A1 48V to AC 220V I23003G6
- Model #: 716837094289
- Item #: 9SIVB8UKX62096
- Return Policy: Magicpower Return Policy
Refurbished: For FSP650-802U FSP6502UR-EFI 650W Server Workstation Power Supply
- Model #: 726727723472
- Item #: 9SIVRWKKXA2470
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for 8864-R16 4K Recorder Power Supply DPS-75AB-3A DPS-250AB-101 ...
- Model #: 792597724406
- Item #: 9SIVRWKKXD9082
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO DA 12V 120W Power Supply BD-301 A Set
- Model #: 759950239533
- Item #: 9SIVB8UKDA0290
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for LSPM5150D PSR150-D1 PSR150-A1 150W Power Supply
- Model #: 792597726578
- Item #: 9SIVRWKKXD9603
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for T4-1 T3-1 AWF-2DC-1200W-S Power Supply 300-2304 300-2235 ...
- Model #: 792597713059
- Item #: 9SIVRWKKXD4863
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 12V8.5A 100W Power Supply GZT-H100S12
- Model #: 759950240300
- Item #: 9SIVB8UKDA0390
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 5548P 5524 600W Power Supply DPSN-600AB E Work Like New
- Model #: 744623298757
- Item #: 9SIVB8UKCU6480
- 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.
