Power Supplies - Showing 2353 - 2376 of 18350 Products
Refurbished: 1Pcs for FSP250-60GTV (PF) ST-P0620PAC FSP500-50FDB NPS-400CB B Power ...
- Model #: 716837087120
- Item #: 9SIVB8UKX59348
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Power Supply Kangshu AcBel FSB009 Server 1U Power Supply
- Model #: 722954737206
- Item #: 9SIVB8UKAA6334
- Return Policy: Magicpower Return Policy
Refurbished: PSU For Fujitsu CELSIUS M740 650W Switching Power Supply DPS-600AB-5 A ...
- Model #: 753525934816
- Item #: 9SIVB8UKA99277
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for DPS-2700CBA CRPS Server Power Module 2700W
- Model #: 792597725694
- Item #: 9SIVRWKKXD9506
- Return Policy: Nytke team Return Policy
Refurbished: For IDP 800 PWS-401-1R 400W Power Supply
- Model #: 726727723304
- Item #: 9SIVRWKKXA2283
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for P1S-2300V-R Redundant Power Supply Module P1S2-5300V4V 300W
- Model #: 792597986057
- Item #: 9SIVB8UKX57409
- Return Policy: Magicpower Return Policy
Refurbished: For SUN 300-1295 A5000 A5100 A5200 Power EP071265-F 3001295-02 310W
- Model #: 722954735295
- Item #: 9SIVB8UKAA6098
- Return Policy: Magicpower Return Policy
Refurbished: EDPS-645AB A 740-024283 645W SRX650 SRX550 Power Supply
- Model #: 753525954807
- Item #: 9SIVB8UKAA0291
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for N18010 switching power supply RG-PA1600I module 1600W ...
- Model #: 792597723836
- Item #: 9SIVRWKKXD8915
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for U1A-D10550-DRB R2A-DV0550-N cage
- Model #: 792597710003
- Item #: 9SIVRWKKXD4120
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 800W Power Supply EPW15-48A
- Model #: 759950246982
- Item #: 9SIVB8UKDA9456
- Return Policy: Magicpower Return Policy
Refurbished: CU-08D H Monitoring Power Module CU-08D
- Model #: 722954723254
- Item #: 9SIVB8UKAA7017
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO T02B T01B 2007B Rated 180W Peak 250W Switching Power Supply ...
- Model #: 744623315836
- Item #: 9SIVB8UKD46464
- Return Policy: Magicpower Return Policy
Refurbished: For EFRP-300 Power Supply 300W EFRP-300
- Model #: 726727817478
- Item #: 9SIVRWKKXB0853
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO TS440 TS540 420W Switching Power Supply FSA128 03X3799 ...
- Model #: 744623304090
- Item #: 9SIVB8UKCW6155
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for R48-2900U Communication Power Module 48V 50A Voltage 48V-58V ...
- Model #: 792597720187
- Item #: 9SIVRWKKXD7828
- Return Policy: Nytke team Return Policy
Refurbished: For SWS600L-24 DC Power Supply 600W 24V Output
- Model #: 752804578475
- Item #: 9SIVRWKKXB2339
- Return Policy: Nytke team Return Policy
Refurbished: POWER SUPPLY For CUC-09HB 100% Tested Fast
- Model #: 753525991604
- Item #: 9SIVSY0KUT7963
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: PDC-650WA-BE, S6720 Switch 650W PoE Power Module
- Model #: 722954721564
- Item #: 9SIVB8UKAA6798
- Return Policy: Magicpower Return Policy
Refurbished: Force10 Networks 1200W Power Supply PSU1200-B 6JMMY 06JMMY
- Model #: 703454715116
- Item #: 9SIVB8UKAJ5919
- Return Policy: Magicpower Return Policy
Refurbished: DC 1100W Switching Power Supply DS1100SDC-3 740-066938
- Model #: 753525936537
- Item #: 9SIVB8UKA99498
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 80plus Gold IPC 1U 500W Switching Power Supply SS-500L1U
- Model #: 744623312743
- Item #: 9SIVB8UKD19594
- Return Policy: Magicpower Return Policy
Refurbished: V9000 1300W Switching Power Supply 700-013496-0000 700-013496-0200 ...
- Model #: 753525944334
- Item #: 9SIVB8UKAA5348
- Return Policy: Magicpower Return Policy
Refurbished: Vostro 320 Power Supply Y664P OT9002 CPB09-007A
- Model #: 722954721878
- Item #: 9SIVB8UKAA6820
- 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.
