Power Supplies - Showing 2161 - 2184 of 18222 Products
Refurbished: For Lineage Power Communication Module CP1800AC52-H Switch Power ...
- Model #: 722954723087
- Item #: 9SIVT8HKWF2620
- Return Policy: YunYunKeJiShiZhuangDian Return Policy
Refurbished: KHACHIMO Thinkserver TS440 540 530 450W Power Supply FSA028 03X4373 ...
- Model #: 744623302157
- Item #: 9SIVB8UKCV8242
- Return Policy: Magicpower Return Policy
Refurbished: For GERM4815TVP Core 4815 Power Module
- Model #: 722954726927
- Item #: 9SIVB8UKAA7349
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for PC6001 HK380-12GP PS-5281-7VR DPS-280FB Power Supply
- Model #: 792597707089
- Item #: 9SIVRWKKXD3443
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 1U 24P+22P 650W Power Supply DPS-650UB C
- Model #: 744623310572
- Item #: 9SIVB8UKD12096
- Return Policy: Magicpower Return Policy
Refurbished: Power Supply DPSN-66BP A HRS66-6000AD VC66B200AS GPL66-12ADH ...
- Model #: 753525941340
- Item #: 9SIVB8UKAA4968
- Return Policy: Magicpower Return Policy
Refurbished: For 2005-B5K 60-1000315-03 Power Supply
- Model #: 752804574095
- Item #: 9SIVRWKKXB1761
- Return Policy: Nytke team Return Policy
Refurbished: For T5810 T7810 685W workstation power supply D685EF-01 F685EF-01 ...
- Model #: 792597702985
- Item #: 9SIVRWKKXD2081
- Return Policy: Nytke team Return Policy
Refurbished: For Pe860 Server Power Supply PE860 RH744, XH225
- Model #: 726727728514
- Item #: 9SIVRWKKXA2858
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for hard disk video recorder monitoring power supply DPS-75VB ...
- Model #: 716837089667
- Item #: 9SIVB8UKX60483
- Return Policy: Magicpower Return Policy
Refurbished: CWT SATA*4 200W Power Supply DSJ200P
- Model #: 753525942811
- Item #: 9SIVB8UKAA5156
- Return Policy: Magicpower Return Policy
Refurbished: For M1Z-5500V Firewall Industrial Computer 2U Server Power Module 500W
- Model #: 722954727030
- Item #: 9SIVB8UKAA7348
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for R740 R640 T640 R540 750W Power Supply 0W8R3C
- Model #: 716837088516
- Item #: 9SIVB8UKX60107
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for 1U power supply FSP270-60LE 500W FLEX small chassis NAS desktop ...
- Model #: 716837089858
- Item #: 9SIVB8UKX60462
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 700W Switching Power Supply ATX-0670GA2
- Model #: 744623304601
- Item #: 9SIVB8UKCW6218
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Z2 800 880 G4 G5 G6 4Pin 550W Power Supply PA-5551-1HA ...
- Model #: 744623301334
- Item #: 9SIVB8UKCV8111
- Return Policy: Magicpower Return Policy
Refurbished: For 600 G3 G5 Power Supply L07658-001 L17839-001 L08404-004 ...
- Model #: 752804572763
- Item #: 9SIVRWKKXA2025
- Return Policy: Nytke team Return Policy
Refurbished: For ACE-R150 ACE-R150-01G 158W power supply
- Model #: 726727774610
- Item #: 9SIVRWKKXA4190
- Return Policy: Nytke team Return Policy
Refurbished: For ST-400NAG-05F 400W Server Module Power Supply
- Model #: 722954731617
- Item #: 9SIVB8UKAA5731
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for R4830G1 power supply 1U 48V30A
- Model #: 716837093343
- Item #: 9SIVB8UKX61723
- Return Policy: Magicpower Return Policy
Refurbished: For Mining Power Supply for APW7-12-1800 1800W APW7+ S9 L3+ 852 10*6P ...
- Model #: 724780183509
- Item #: 9SIVB8UKA98997
- Return Policy: Magicpower Return Policy
Refurbished: For PS-2801-22T 800W
- Model #: 752804575238
- Item #: 9SIVRWKKXB1937
- Return Policy: Nytke team Return Policy
Refurbished: For DL320E G8 V2 726704-001 718785-001 711797-101 Server Power Supply
- Model #: 726727725780
- Item #: 9SIVRWKKXA2580
- Return Policy: Nytke team Return Policy
Refurbished: For R48300E3 R48-200A3 2000A3 3000A32900U
- Model #: 703454718322
- Item #: 9SIVB8UKAJ6277
- 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.
