Power Supplies - Showing 2041 - 2064 of 17940 Products
Refurbished: KHACHIMO 12000-10 AC 2800W Power Supply 12000/10-AC-PEM ...
- Model #: 759950247149
- Item #: 9SIVB8UKDF9380
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Small 1U 300W Power Supply SO-350PSU
- Model #: 744623306421
- Item #: 9SIVB8UKD06229
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for740-054405 QFX10002 Power Supply 1600W JPSU-1600W-AC-AFO
- Model #: 716837085683
- Item #: 9SIVB8UKX58660
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 250W Power Supply FY9H3 6MVJH X3KJ8 3MV8H HY6D2 PDF9N ...
- Model #: 744623299396
- Item #: 9SIVB8UKCU6592
- Return Policy: Magicpower Return Policy
Refurbished: 54V2.2A 120W Switching Power Supply MPS-120-54V
- Model #: 753525945676
- Item #: 9SIVB8UKA99611
- Return Policy: Magicpower Return Policy
Refurbished: X255 Server Power AA21650 R 24P6849 24P6850 370W
- Model #: 722954988387
- Item #: 9SIVB8UKAA6539
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for B540P Power Supply FSP250-30SI DPS-250AB-84 APB001 HKF 2502-3
- Model #: 716837091844
- Item #: 9SIVB8UKX61152
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 4Pin 260W Power Supply PA-2251-5HK-HPF L70041-001 ...
- Model #: 726099221576
- Item #: 9SIVB8UKCU6127
- Return Policy: Magicpower Return Policy
Refurbished: AC Power Module H3C AC-PSR350-A10-H3 PSR350-A10 AR4640 4680
- Type: ATX
- Model #: 703454729724
- Item #: 9SIVSY0KUS8851
- Return Policy: LiAnMengYuShangDian Return Policy
Refurbished: For DL320E Gen8 G8 Server Power Supply 671326-001 686679-001 ...
- Model #: 726727725773
- Item #: 9SIVRWKKXA2616
- Return Policy: Nytke team Return Policy
Refurbished: PBA600F-24 600W INPUT AC100-240V 50-60Hz 8.2A OUTPUT 24V 27A Power ...
- Model #: 753525954616
- Item #: 9SIVB8UKAA0216
- Return Policy: Magicpower Return Policy
Refurbished: For DH-NVR616-64 channel 16-bit hard disk video recorder power supply ...
- Model #: 752804576778
- Item #: 9SIVRWKKXB2099
- Return Policy: Nytke team Return Policy
Refurbished: SNP-Z101 130W For SKYNET Industrial Power Supply In-Machine Switching ...
- Model #: 753525947175
- Item #: 9SIVB8UKA99863
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for 10 pin power supply B515 B520 B530 B730 small chassis ...
- Model #: 716837089346
- Item #: 9SIVB8UKX60292
- Return Policy: Magicpower Return Policy
Refurbished: For 400 480 600 G3 G4 Power Supply DPS-500AB-51A L77487-003 L89233-001
- Model #: 726727732337
- Item #: 9SIVRWKKXA3436
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for 3710 3991 t3660 3000mt 5000mt 7000mt 1000w power supply
- Model #: 716837085645
- Item #: 9SIVB8UKX58649
- Return Policy: Magicpower Return Policy
Refurbished: 627W Power Supply 700-015147-0000 81-00000154-00-01
- Model #: 753525936384
- Item #: 9SIVB8UKA99446
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for P500/510/700/710 Workstation Power Supply PS-3651-1L-LF ...
- Model #: 792597713387
- Item #: 9SIVRWKKXD4913
- Return Policy: Nytke team Return Policy
Refurbished: For Power Supply CA05951-8730
- Model #: 726727816648
- Item #: 9SIVRWKKXB0816
- Return Policy: Nytke team Return Policy
Refurbished: PSU For SPI 350W Power Supply FSP350-50BR
- Model #: 753525942149
- Item #: 9SIVB8UKAA5133
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for CRPS1300D 1300W server power supply
- Model #: 716837086048
- Item #: 9SIVB8UKX58929
- Return Policy: Magicpower Return Policy
Refurbished: 0950-3651 DPS-250DB L DLT8000 Tape Library Power
- Model #: 722954734434
- Item #: 9SIVB8UKAA6062
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for 12V45A 550W 7001676-J000 98Y8064
- Model #: 731029999494
- Item #: 9SIVRWKKXD1152
- Return Policy: Nytke team Return Policy
Refurbished: Complete Set For 3Y YH-8451B Redundant Server Power Supplies
- Model #: 753525986808
- Item #: 9SIVSY0KUU6020
- Return Policy: LiAnMengYuShangDian 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.
