Best 300 Watt Power Supply

PSU Tier List

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Bestseller No. 1
FOR DELL 300 Watt Compatible Power Supply Replacement Inspiron 518 519 530 531 537 540 541 545 546 560 570 580 620 660 3
  • Genuine Compatible OEM Dell Replacement 300 Watt Max Power Supply Unit
  • Connectors: 1X 24-Pin / 4X Straight SATA / 1X 4-Pin
  • Fits model(s) But Not Limited To:INSPIRON 518 519 530 531 537 540 541 545 546 560 570 580 620 660 3000 - STUDIO 540 545 -PRECISION T1500 T6100 T1650 -Vostro 200 201 220 230 260 270 400 410 420 430
  • Possible Part Numbers: V7K62 XW596 XW597 Y359G 6R89K YX446 YX453 CD4GP DG1R8 CF5W6 XW597 FFR0Y GH5P9 FY630 N385F H057N D382H HT996 X223G KF76M
Bestseller No. 2
FLAMMA 9V 300mA Power Supply for Electric Guitar Effects Pedals Tip Negative
  • Compatible with FLAMMA FS-Series & FC-Series Pedals.
  • Tip negative, sleeve positive. Barrel Connector: 5.5mm x 2.1mm.
  • The adaptor can power most instrument pedals and other 9-volt electronic devices.
  • This adapter can NOT work with devices that require tip positive or ampere more than 300mA.
  • An isolated power supply means less noise interference with your sound, giving you the clear sound quality you're aiming for.
Bestseller No. 3
LLTOP LED Driver 300 Watts Waterproof IP67 Power Supply 90-130V AC to 12V DC 25A Low Voltage Transformer Converter Power Adapter for Indoor Outdoor LED Lights
  • [Low voltage Transformer]: Constant voltage power supply input: AC90-130V 50/60Hz Output: DC12v, 25A, 300w, 3.3 feet input cord with US standard 3-prong plug
  • [Multi safety Protections of led power supply]: Automatic safety protection for short circuit, overload, over voltage, over current, over temperature
  • [Waterproof and Ultra Slim]:100% waterproof IP67, size of 9.68x3.15x1.57 inches suitable for multi scene
  • [Wide Range of Applications]: Converts 110V/120V AC to 12V DC, widely use for led strip lights, led landscape lighting, pool lights, outdoor led signs, modules
  • [Durable Material]: Aluminum alloy housing easy for heat dissipation, waterproof glue full filled inside to protect components operation stability
Bestseller No. 4
300W Power Supply Waterproof IP67 12V DC 25A,AC to DC Transformer Adapter with Plug,100V-130V Input 12 Volt Constant Voltage Output Transformer Driver
  • 300W power supply with 12V DC 25A output
  • Waterproof IP67 design for indoor or outdoor installation,can be used in dry ,wet and rainy environment
  • the transformer with Aluminum metal housing, easy for heat dissipation ,Cooling by free air, high reliability
  • Constant voltage style power supply
  • Widely used in LED module ,LED strip lights, led light bulbs ,Computer Project, IT equipment,Industrial,Outdoor Light and any 12V DC led lights
Bestseller No. 5
NICE-POWER DC Power Supply Variable, 300V 1A High Voltage Programmable Adjustable Regulated Lab Bench Power Supply with PC Software, Encoder Knob, Memory Storage, Output Switch, Lock Button
  • 【Programmable DC Power Supply】 DC power supply variable with RS232/USB port, after installing the specified software you can directly use the computer to control the DC power supply. You can quickly and accurately adjust the voltage/current, set multiple memory values, export data tables/graphs, program outputs and more. Please note that the software is for Windows only. If you have questions about installing or using the software, please feel free to contact us.
  • 【Encoder Adjustment Knob, Output Switch】 The encoder adjustment knob can be used to precisely regulate the voltage and current. Press the knob to determine the number of digits to be regulated and rotate the pushbutton to regulate the desired voltage/current value. The output switch controls the output of the DC power supply and prevents damage to the load.
  • 【Memory Storage, Lock Button】 DC power supply with 4 sets of data storage buttons, you can set the commonly used data for storage, turn on the DC power supply again can be used with one key, very convenient. The lock button prevents you from accidentally touching other buttons to avoid re-adjustment.
  • 【Multi-protection, Color Screen】 DC power supply variable have multiple protections for safety and durability. Current overload protection, overheating protection, overvoltage protection and so on. The color screen clearly identifies voltage, current and power.
  • 【Terms of Service】 When you buy a DC power supply you get 1* programmable DC power supply, 1 set of output power cables, 1* input power cable, 1* user manual, 1* USB cable for connecting to your computer. We provide 12 months warranty and 24 hours technical support, if you have any questions, you can contact us at any time.
Bestseller No. 6
Compact 12V DC, 300mA, Quality Regulated Power Adapter. 2.1mm ID, 5.5mm OD. Can Handle 100VAC - 240VAC.
  • Low cost yet high quality, compact size, switch mode regulated power supply
  • Great for security cameras & SCS IR lamp
  • Output: DC 12V 300mA. Input: AC 100V-240V, 50/60Hz, 0.3A
  • DC Plug Type: 5.5mmOD x 2.1mmID with 4ft ultra flexible cord
  • Dimensions: 2" x 2" x 1" inch
SaleBestseller No. 7
Apevia TFX-AP300W Standard Flex ATX 300W Power Supply - 115-230V AC, 1 x 20/24Pin Main Power, 1 x 12V(P4), 3 x Pheripheral, 3 x SATA, 1 x Floppy
  • APEVIA TFX-AP300W Standard 300W Flex ATX Power Supply
  • Input Voltage: 115-230V AC, Input Frequency: 60/50
  • Output: +3.3@12A; +5A@12A; +12V@20A; [email protected]; [email protected]
  • 5% Tolerance of 5V, 3.3V & 12V Output
  • Forced Air Ventilation by 1 x 80mm Fan
Bestseller No. 8
LED Driver 300 Watts(150W X2) 24V DC Transformer, Waterproof IP67 Power Supply, 24V DC Low Voltage Output Adapter with 3-Prong Plug 3.3 Feet Cable for LED Light, Computer Project, Outdoor Light
  • ◆The Model of LED Driver:Input: 90V-265V AC. Output: 24V DC 12.5A 300W
  • ◆Automatic protection for Short circuit / overload / over voltage / over current / over temperature.Protection type: Hiccup mode, auto-recovery after fault condition is removed
  • ◆Wide Range of LED Power Supply : Suitable for LED strip lights, led light bulbs ,Computer Project,Industrial,Outdoor Light and any 24V DC led lights
  • ◆100% Waterproof IP67 protect for outdoor use.Aluminum metal housing, easy for heat dissipation and ensure stability
  • ◆◆The LED driver is NOT dimmable, the LED driver is only compatible with RGB dimmers.LED transformer certification: IP67,CE,ROHS SELV etc.If you have any problem of our product, you can click “seller contact” button in your Amazon account to email us. we would be delighted to help you and reply you as soon as we can.
SaleBestseller No. 9
APEVIA VENUS450W 450W ATX Power Supply with Auto-Thermally Controlled 120mm Fan, 115/230V Switch, All Protections
  • Apevia Venus 450W ATX Power Supply.
  • Connectors:1 x 20/24pin Main Power, 1 x 8pin (4+4pin) 12V, 3 x SATA, 3 x Peripheral
  • Auto-Thermally Controlled Black 120mm Fan. 115/230V Switch. 5% Tolerance of 5V, 3.3V & 12V Output
  • IMPORTANT: The power supply will not power on simply by connecting the power cord to both the power supply and wall outlet. Ensure that all the power supply cables are properly connected to the PC for it to power on.
  • IMPORTANT: The 8pin CPU connector can be split apart to become a 4+4 connector by pushing one end of the 4pin down and the other end of the 4pin up for motherboards that require a 4pin power connector.
Bestseller No. 10
Rextin DC 12V 300W 25A Regulated Transformer Power Supply Driver SW For LED Strip Lights (300W)
  • Led power supply transformer driver SW Input: AC 110V/220V 50/60Hz, Output: 12V 300W 25A
  • Smart device surge protection for Short-circuit Protection, Overload Protection, Over Voltage,Over Temperature Protection. High efficiency, High Reliability, Low Temperature Rise
  • Certificates: CE/RoHS/FCC Approved
  • Warnings: Don't open or modify the led power supply. Please leave children, kids far away from high voltage power source. Please use it under professional electrician's guides. Any abuse or improper use will void warranty.
  • widely used in LED lighting, Home Appliance, Instrumentation, Office Automation, Telecom, Process and Engineering Industries etc

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