Power Supplies - Showing 2305 - 2328 of 17930 Products
Refurbished: Server Power Supply for DL380 G4 406393-501 321632-501 367238-001 ...
- Model #: 753525984965
- Item #: 9SIVB8UKAA9178
- Return Policy: Magicpower Return Policy
Refurbished: 5802 Power Supply 45D9861 44V8544 44V3898
- Model #: 722954736858
- Item #: 9SIVB8UKAA6288
- Return Policy: Magicpower Return Policy
Refurbished: For NEPS2000-A5 Power Supply NEPS2000-A For LSBM3Power S8512 S850
- Model #: 722954733536
- Item #: 9SIVB8UKAA5950
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 1U Rated 300W Peak 400W Switching Power Supply SO-340U ...
- Model #: 744623311463
- Item #: 9SIVB8UKD12240
- Return Policy: Magicpower Return Policy
Refurbished: For Murata D1U5CS-H-2825-12-HA4C PWR Supply AC/DC
- Model #: 703454718605
- Item #: 9SIVB8UKAJ6328
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO R7525 2800W Power Supply D2800E-S1 1PDR6 01PDR6
- Model #: 759950239472
- Item #: 9SIVB8UKDA0313
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs For GW-CRPSHD1300D2 FRU 02JG065 SP57A14659 Server power supply ...
- Model #: 731029999326
- Item #: 9SIVRWKKXD1130
- Return Policy: Nytke team Return Policy
Refurbished: For R48300E3 R48-200A3 2000A3 3000A32900U
- Model #: 703454718322
- Item #: 9SIVB8UKAJ6277
- Return Policy: Magicpower Return Policy
Refurbished: Small 1U 500W Power Supply DPS-500AB-5B DPS-500AB-5 B
- Model #: 753525941265
- Item #: 9SIVB8UKAA4983
- Return Policy: Magicpower Return Policy
Refurbished: 550W Power Supply M1Z-5550V
- Model #: 753525943009
- Item #: 9SIVB8UKAA5263
- Return Policy: Magicpower Return Policy
Refurbished: For SAP-6300 FSP250-60PFV(12V) FSP300-60PFV FSP500-70UDPB
- Model #: 722954736346
- Item #: 9SIVB8UKAA6233
- Return Policy: Magicpower Return Policy
Refurbished: For ML350G2 Server Power Supply ESP122 PS-5351-1 249687-001 ...
- Model #: 722954724732
- Item #: 9SIVB8UKAA7162
- Return Policy: Magicpower Return Policy
Refurbished: Powerleader 1U 600W Switching Power Supply U1A-C20600-D
- Model #: 753525941258
- Item #: 9SIVB8UKAA4979
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for 1300W power supply 9PA13A0300 FSP1300-20FM server power supply
- Model #: 792597727223
- Item #: 9SIVB8UKX32579
- Return Policy: Magicpower Return Policy
Refurbished: For P2F-5400V P2H-5400V P2F-5500V Industrial Power Supply
- Model #: 726099251603
- Item #: 9SIVRWKKXD1509
- Return Policy: Nytke team Return Policy
Refurbished: 1pcs for vtron projector MSP600 GIN-3600V power module
- Model #: 792597985371
- Item #: 9SIVB8UKX57235
- Return Policy: Magicpower Return Policy
Refurbished: For Precision R5400 F013C CPU Power Backplane
- Model #: 726727730975
- Item #: 9SIVRWKKXA3315
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for FSP300-60GSV FSP300-60LC FSP300-60PF FSP300-60PLA Industrial ...
- Model #: 716837087922
- Item #: 9SIVB8UKX59628
- Return Policy: Magicpower Return Policy
Refurbished: PT-4503 RG-S3750-24 2150-48 S2026 Power Supply N45-30D3V3 ...
- Model #: 722954988936
- Item #: 9SIVB8UKAJ5556
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for WOPSA1700 ME170-12A server switching power module
- Model #: 792597724727
- Item #: 9SIVRWKKXD9240
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO X3650M5 750W Switching Power Supply DPS-750AB-37 A ...
- Model #: 744623314730
- Item #: 9SIVB8UKD21879
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for 420W power supply FSP420-30RGGBD FSP400-60RGVBD
- Model #: 716837093008
- Item #: 9SIVB8UKX61580
- Return Policy: Magicpower Return Policy
Refurbished: SPIII-2003-PB Computer Host Desktop Power Supply 200W
- Model #: 722954727146
- Item #: 9SIVSY0KUR7858
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: KHACHIMO Z200 320W Switching Power Supply DPS-320KB-1 A DPS-320KB-1A ...
- Model #: 744623314938
- Item #: 9SIVB8UKD21914
- 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.
