Power Supplies - Showing 2305 - 2328 of 17941 Products
Refurbished: 150W Switching Power Supply PC150B-1 DPSN-150GB A
- Model #: 753525936476
- Item #: 9SIVB8UKA99474
- Return Policy: Magicpower Return Policy
Refurbished: For DPS-500AB-9D E
- Model #: 752804575481
- Item #: 9SIVRWKKXB1981
- Return Policy: Nytke team Return Policy
Refurbished: 1200W Switching Power Supply GW-CRPS1200
- Model #: 753525944693
- Item #: 9SIVB8UKAA5377
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 12V 24.2A 300W For DPS-250AB-81E DPS-250AB-81 E ...
- Model #: 759950247071
- Item #: 9SIVB8UKDA9450
- Return Policy: Magicpower Return Policy
Refurbished: Extreme 1100W Switching Power Supply PSSF112102A 800563-00-07
- Model #: 753525945904
- Item #: 9SIVB8UKA99698
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for silent power supply HK280-23FP PCB037 FSP500-50ETN with 8P
- Model #: 716837085409
- Item #: 9SIVB8UKX58651
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO PSU For 3Y 380W Switching Power Supply YM-2381A 9ACPSU-0010 ...
- Model #: 744623298603
- Item #: 9SIVB8UKCU6469
- Return Policy: Magicpower Return Policy
Refurbished: For Z800 Power Supply 1250W 508149-001 480794-002/003 DPS-1050DB A
- Model #: 726099251627
- Item #: 9SIVRWKKXD1497
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for 8852 8856 Modules 32R1818 32R1819 32R1820 32R1821
- Model #: 792597713011
- Item #: 9SIVRWKKXD4846
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 340W Power Supply MPW340-28A-1
- Model #: 759950240874
- Item #: 9SIVB8UKDA0423
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 21.5" AIO A1311 200W Power Supply ADP-200DF B OT8043 ...
- Model #: 744623314280
- Item #: 9SIVB8UKD21842
- Return Policy: Magicpower Return Policy
Refurbished: For SUN Fire V100 Server Power Supply V100 DPSN-80AB A 370-4363-01
- Model #: 722954725579
- Item #: 9SIVB8UKAA7206
- Return Policy: Magicpower Return Policy
Refurbished: For DL320G2 Server Power Supply 293367-001 288638-001, PS-5181-5C
- Model #: 752804578062
- Item #: 9SIVRWKKXB2263
- Return Policy: Nytke team Return Policy
Refurbished: LDA300W-48 Original Disassembly Switching Power Supply 48V/6.3A
- Model #: 753525986600
- Item #: 9SIVRTNKX43252
- Return Policy: Jiamayanonly Return Policy
Refurbished: For 099 2886-10 Power Supply DS4200 DS6200 MSA2060 MSA2062
- Model #: 726099253461
- Item #: 9SIVRWKKXD1965
- Return Policy: Nytke team Return Policy
Refurbished: 1100W Power Supply Used On 3560X-48PF 3750X-48PF Series Switches ...
- Model #: 753525987751
- Item #: 9SIVB8UKAA8775
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for 2000W power supply EPW2000-12A 02310PTH
- Model #: 792597713806
- Item #: 9SIVRWKKXD5590
- Return Policy: Nytke team Return Policy
Refurbished: U20 Ultra20 M2 Workstation Power 400W 300-1794300-1950, API4PC01
- Model #: 722954736001
- Item #: 9SIVB8UKAA6239
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO PSU For ZECK -5V -12V 450W Switching Power Supply ZKS-450SX
- Model #: 726099222771
- Item #: 9SIVB8UKCU6269
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 4.2V55A 231W DPS-231CB A
- Model #: 759950247477
- Item #: 9SIVB8UKDF9412
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO SR860 1100W Switching Power Supply FSF056 700-014189-1500
- Model #: 726099222238
- Item #: 9SIVB8UKCU6154
- Return Policy: Magicpower Return Policy
Refurbished: For 41U8317 POWER SUPPLY DCA-Z7
- Model #: 726727775884
- Item #: 9SIVRWKKXA5024
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for 3647 small chassis power supply
- Model #: 792597984121
- Item #: 9SIVB8UKX57071
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Power Supply For SPI 600W For SPI600GLN
- Model #: 759950243820
- Item #: 9SIVB8UKDA9031
- 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.
