Power Supplies - Showing 2281 - 2304 of 17942 Products
Refurbished: 1pcs for X3650 M4 Server Power Supply 750W 69Y5741 69Y5742 ...
- Model #: 792597985647
- Item #: 9SIVB8UKX57388
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS For 48V input 1100W R730 R740 5G4WK
- Model #: 792597703890
- Item #: 9SIVRWKKXD2450
- Return Policy: Nytke team Return Policy
Refurbished: For DPST-1000DB A 1000W Power Module
- Model #: 752804574040
- Item #: 9SIVRWKKXB1781
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for power supply FSP350-20GSV DPS-300AB-81B
- Model #: 716837091639
- Item #: 9SIVB8UKX61116
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for RG-PA150IB-F RG-PA150I-F switching power supply module
- Model #: 792597724833
- Item #: 9SIVRWKKXD9244
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for SR550 SR650 SR590 Server 750W Power Supply 02JG628 CFF750
- Model #: 716837088264
- Item #: 9SIVB8UKX59824
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for R510 12V60A 750W D750P-SO Server Power Supply
- Model #: 792597705337
- Item #: 9SIVRWKKXD2757
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for Z820 Power Supply 632913-001 623195-001, PS-850GB A 850W
- Model #: 792597704576
- Item #: 9SIVRWKKXD2546
- Return Policy: Nytke team Return Policy
Refurbished: PBA1500F-24 PBA1500F Series High Power Supply 24V 70A 1500W
- Model #: 753525955569
- Item #: 9SIVB8UKAA0314
- Return Policy: Magicpower Return Policy
Refurbished: 400 600 800 G1 G2 SFF Power Supply D14-200P1A 901912-002 PCE011
- Model #: 722954987533
- Item #: 9SIVB8UKAA6489
- Return Policy: Magicpower Return Policy
Refurbished: Server Hot Swap Redundant Power Supply 500W M1P-2500V
- Model #: 753525985092
- Item #: 9SIVB8UKAA9183
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for Optiplex7020MT 7010PLUS 3911 3020 3901 Desktop Power Supply ...
- Model #: 792597982240
- Item #: 9SIVB8UKX56665
- Return Policy: Magicpower Return Policy
Refurbished: CE6800 5700 350W Switching Power Supply PAC-350WA-F
- Model #: 753525941227
- Item #: 9SIVB8UKAA4966
- Return Policy: Magicpower Return Policy
Refurbished: PRT AT 400W Switching Power Supply PRM400
- Model #: 753525941708
- Item #: 9SIVB8UKAA5009
- Return Policy: Magicpower Return Policy
Refurbished: For PWR-C2-1025WAC 2960XR/3650 series switches
- Model #: 752804577942
- Item #: 9SIVRWKKXB2271
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 7070 7090 7080 5090 3080 3070 6Pin 300W Power Supply ...
- Model #: 744623303086
- Item #: 9SIVB8UKCW6035
- Return Policy: Magicpower Return Policy
Refurbished: 1pcs for LSPM2150A, PSR150-A/A1, LSKM2150A 150W power supply
- Model #: 716837084051
- Item #: 9SIVB8UKX57681
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for 85Y6046 AP-BAT01-022-01 V7000 85Y5898
- Model #: 716837085485
- Item #: 9SIVB8UKX58631
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 400W Switching Power Supply ATX-0340N
- Model #: 744623316505
- Item #: 9SIVB8UKD46534
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 1100W Power Supply iMP4-2E-2L-1D-01-A 73-940-6053I
- Model #: 759950239861
- Item #: 9SIVB8UKDA0365
- Return Policy: Magicpower Return Policy
Refurbished: TSI-EPC-48VDC-230VAC-BRAVO Power Supply For PACK 48VDC To ...
- Model #: 753525934304
- Item #: 9SIVB8UKA99220
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for E301PX-VC AT industrial computer, server computer power supply
- Model #: 792597716357
- Item #: 9SIVRWKKXD6560
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for PRO MAX 480W 24V 20A 1478140000 Switching Power Supply
- Model #: 792597717897
- Item #: 9SIVRWKKXD7030
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO GTX1050Ti 950 Support Back Alignment Power Supply of 6P Display ...
- Model #: 744623315218
- Item #: 9SIVB8UKD21921
- 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.
