Power Supplies - Showing 2281 - 2304 of 17946 Products
Refurbished: ATX 550W Power Supply GPS-550LB G CAA-550CT A
- Model #: 724780181017
- Item #: 9SIVB8UKA98738
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for SMR3004AK1, SMR3004D communication power supply 48V/50A
- Model #: 792597720705
- Item #: 9SIVRWKKXD7998
- Return Policy: Nytke team Return Policy
Refurbished: For server power supply FPS-800 856-851529-002 N8181-122 800W
- Model #: 726727816433
- Item #: 9SIVRWKKXB0450
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for SA5212H2 YM-2721E YM-2721EAR Server Power Supply
- Model #: 716837083474
- Item #: 9SIVB8UKX57590
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Flex Small 1U 150W Switching Power Supply ST-150FUB-05E ...
- Model #: 744623316215
- Item #: 9SIVB8UKD46469
- Return Policy: Magicpower Return Policy
Refurbished: Hard Disk Recorder Monitoring Power Supply 7916HE-E4/7932HW-E4/7916N ...
- Model #: 722954727559
- Item #: 9SIVB8UKAA7405
- Return Policy: Magicpower Return Policy
Refurbished: For EPW1600-12A P/N:02130876
- Model #: 752804578413
- Item #: 9SIVRWKKXB2340
- Return Policy: Nytke team Return Policy
Refurbished: 1pcs for LSPM2150A, PSR150-A/A1, LSKM2150A 150W power supply
- Model #: 716837084051
- Item #: 9SIVB8UKX57681
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO For FSP 80Plus Platinum FLXE-ATX Small 1U K39 500W Power Supply ...
- Model #: 744623306483
- Item #: 9SIVB8UKD06252
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Power Supply For XP 12V56A Power Supply ...
- Model #: 759950244568
- Item #: 9SIVB8UKDA9186
- Return Policy: Magicpower Return Policy
Refurbished: DC 650W Power Supply FSB015 740-043886 JPSU-650W-DC-AFO
- Model #: 753525941951
- Item #: 9SIVB8UKAA5104
- Return Policy: Magicpower Return Policy
Refurbished: Power Man TFX 300W Power Supply IP-S300FF1-0 IP-S300EF7-2 ...
- Model #: 753525943290
- Item #: 9SIVB8UKAA5230
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for UP515 EOE12030002 TL4000 TL2000 Tape Library Power Supply
- Model #: 716837085898
- Item #: 9SIVB8UKX58915
- Return Policy: Magicpower Return Policy
Refurbished: For 96PS-A180WFX-1 ENH-1940 P1H-5401V (ROHS) ACE-618B-RS-R10 ...
- Model #: 752804572336
- Item #: 9SIVRWKKXA2037
- Return Policy: Nytke team Return Policy
Refurbished: KHACHIMO 12000 2500W Power Supply 12000/16-DC-PEM 341-0124-03 ...
- Model #: 759950242755
- Item #: 9SIVB8UKDA8870
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO s5500 s5800 150W Switching Power Supply PSR150-A LSKM2150A ...
- Model #: 744623314211
- Item #: 9SIVB8UKD21817
- Return Policy: Magicpower Return Policy
Refurbished: 1PCS for 13.8V60A PS-2751-7H 750W Vehicle Communication Power Supply
- Model #: 726099251719
- Item #: 9SIVRWKKXD1486
- Return Policy: Nytke team Return Policy
Refurbished: 1PCS for Z440 Workstation 700W Power Supply DPS-700AB-1 A 719795-005
- Model #: 726099251702
- Item #: 9SIVRWKKXD1364
- Return Policy: Nytke team Return Policy
Refurbished: 1Pcs for EPMU03 communication power supply
- Model #: 716837094852
- Item #: 9SIVB8UKX62291
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO DCJ3883-01P 34-0849-01 WS9C50088 388W
- Model #: 745635673518
- Item #: 9SIVB8UKD64753
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO Power Supply For Skynet 12V 130W Power Supply SNP-Z107-
- Model #: 759950245299
- Item #: 9SIVB8UKDA9249
- Return Policy: Magicpower Return Policy
Refurbished: KHACHIMO 800W Power Supply DPS-800AB-32 A DPS-800AB-32A
- Model #: 759950247859
- Item #: 9SIVB8UKDF9466
- Return Policy: Magicpower Return Policy
Refurbished: 1Pcs for PWR-C2-250WAC 640WAC 1025WAC AC Power Supply 3650/2960XR
- Model #: 792597726530
- Item #: 9SIVRWKKXD9596
- Return Policy: Nytke team Return Policy
Refurbished: 1pcs for 0213A00R DPS-700EB E NI0M1DPS700 EX1540S IX1000/3000 power ...
- Model #: 792597712281
- Item #: 9SIVRWKKXD4780
- Return Policy: Nytke team 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.
