Best 300 Watt Power Supply

PSU Tier List

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Bestseller No. 1
NUOFUWEI DC 12V 1000W Power Supply SMPS 110V AC to 12V DC Converter Power Supply Adapter Switch Transformer Max 83.4A 1000W Power Supply for LED Driver Strip Light Lamp Amplifier More 12V Device
  • 【110V AC to 12V DC converter】Input AC 110V/220V, Output 12V, Rated power 83.4A 1000W, PSU(SMPS) convert AC to DC, output current depends on the requirements of the power consuming equipment, Power multiple devices with different Currents/ Watts
  • 【New Version 12V Power Supply】The upgraded 12V power supply has three connection options, power converter design with two nickel-plated copper terminal, which can be directly connect by clamps, convenient and easy, and it has good electrical conductivity and high conversion efficiency, can be hung on the wall.
  • 【Smart Cooling】DC 12V 83.4A 1000W power converter with aluminum alloy shell, built-in cooling fan,metal shell with multiple holes,Bottom with anti-slip pad,efficient cooling,more stable work, high efficiency
  • 【Multiple Protection】12v power supply features a overload protection , overvoltage protection, overheat protection and short circuit protection, which can protect your device from damage. power cord and plug have passed UL,CE,RoHS Certifications.
  • 【Wide Application】 DC 12V 83.4A 1000W Power Supply for industrial automation equipment, radio, Amplifier, Radios, LED drive, CCTV Camera System, 3D Printer, lcd monitor, Car Stereos, water Pump and more 12V Device.
Bestseller No. 2
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. 3
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. 4
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
Bestseller No. 5
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. 6
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. 7
LED Driver 300W 24V Power Supply, IP67 Waterproof Low Voltage Transformer, AC 110-260V to DC 24V 12.5A Converter with 3-Prong Plug 3.3 Feet Cable for DC 24V Outdoor LED Lights, Industrial, Computer
  • The Model of LED power supply: Input: 110-260V AC 50/60HZ, Output: 24V DC 12.5A 300W.
  • Waterproof&Heat dissipation: 24v transformer with high quality of Aluminum alloy metal housing, easy for heat dissipation and ensure stability. 100% Waterproof IP67 protect for outdoor use.
  • Protection: Automatic protection for: short circuit, overload, over voltage, over current, high temperature. Protection type: Hiccup mode, auto-recovery after fault condition is removed.
  • Wide application: AC to DC Converter suitable for LED strip lights, led light bulbs, Computer Project, Industrial, Outdoor Light and other 24V DC led lights
  • Worry-free after-sales service: We provide you with 90-day 100% satisfaction guarantee and 1 year warranty, please rest assured to buy. If you have any questions, please contact us, we will respond to your questions as quickly as possible and provide you with the best and most suitable solution.
SaleBestseller No. 8
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.
SaleBestseller No. 9
Thermaltake Smart 500W 80+ White Certified PSU, Continuous Power with 120mm Ultra Quiet Cooling Fan, ATX 12V V2.3/EPS 12V Active PFC Power Supply PS-SPD-0500NPCWUS-W
  • Delivers 500 Watt Continuous output at plus 40 degree. Compliance with Intel ATX 12 Volt 2.31 and EPS 12V 2.92 standards
  • 80 PLUS Certified, 80 percentage efficiency under typical load
  • Supports (2) PCI E 6plus2pin Connectors. Active (PFC) Power Factor Correction, MTBF: 100,000 hours
  • Industry Grade Protections: (OPP) Over Power Protection, (OVP) Over Voltage Protection, (SCP) Short Circuit Protection
  • High Quality Components
SaleBestseller No. 10
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

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