Best 400 Watt Power Supply

PSU Tier List

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SaleBestseller No. 1
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. 2
Coolmax I-400 400W ATX 12V V2.0 Power Supply (not compatible with PCI-E)
  • ATX12V version 2.0
  • Single +12V output design
  • Serial ATA 150 ready
  • Total Power: 400 W. Input- 100 ~ 132V AC / 200 ~ 264V AC
  • Connector: 1x 20+4-pin Main Connector; 1x?P4 Mainboard Power Connector; 2x 15-pin SATA Connectors; 3x Peripheral Connectors; 1x 4-pin Floppy Connector
SaleBestseller No. 3
EVGA 100-N1-0400-L1 , 400 N1, 400W, 2 Year Warranty, Power Supply 100-N1-0400-L1
  • EVGA 400W N1 series
  • Fan Size/Bearing: 120 millimeter sleeve bearing - Quiet and intelligent auto fan for near-silent operation
  • Heavy-duty protections including OVP, OPP, and SCP
  • 2 year & EVGA's 24/7 technical support
SaleBestseller No. 4
APEVIA SFX-AP400W Mini ITX Solution / Micro ATX / SFX 400W Power Supply
  • APEVIA SFX-AP400W Mini ITX Solution / Micro ATX / SFX 400W Power Supply
  • Cooling: 1 x 80mm Automatically Thermal Sensing Fan. All Cables are Sleeved
  • Connectors: 1 x 20+4pin Main Power, 1 x 4pin 12V(P4), 1 x 6/8pin PCIe, 2 x SATA, 2 x 4pin Molex, 1 x 4pin Floppy
  • Output: +3.3V@12A, +5V@12A, +12V@28A, [email protected], [email protected]
  • Dimension: 125mm x 100mm x 63.5mm (4.92" x 3.94" x 2.5") - L x W x H
Bestseller No. 5
LXun Upgraded New 942332-001 400W Power Supply Compatible with HP 280 288 285 480 600 680 800 G3 G4 Power Supply L04618-400 PA-3401-2HA PA-3401-1HA L04618-800
  • 【Compatible part number】: L04618-400 942332-001 PA-3401-1HA PA-3401-2HA L76557-001
  • 【Compatible model】: Compatible with HP prodesk 480 800 680 285 288 280 Pro G3 MT prodesk 600 G4 400W Power Supply
  • 【Output】: Total power:400W, + 12.1Vmain == 16A, + 12.1Vcpu == 16A,+ 12.1VG == 16A
  • 【Input】100-240 V, 50-60 Hz,5.2A
  • 【Warrrrranty】1 Year manufactured, For any reason you're not completely satisfied, you can ask for a replacement or full reeeffund.
SaleBestseller No. 6
ARESGAME AGV Series 500W Power Supply, 80 Plus Bronze Certified, Non Modular Power Supply, 5 Year Warranty
  • ATX PSU. Delivers 500 Watt Continuous output
  • 80 PLUS Bronze certified, with 85% efficiency or higher under typical loads
  • 5 Year Warranty and heavy protection including OVP/UVP/OPP/SCP
  • All cables are black and not ketchup and mustard colored
  • 120mm ultra quiet fan with excellent cooling performance
SaleBestseller No. 7
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
Bestseller No. 8
inShareplus 24V 400W LED Power Supply, IP67 Rainproof Waterproof Outdoor Driver,AC 90-140V to DC 24V Low Voltage Transformer, Adapter Converter for LED Light, Computer Project, Outdoor Use
  • ✔️24V power supply has a sturdy aluminum alloy metal shell, which facilitates heat dissipation and ensures long-term stability, durability, and reliability. Sealed and 100% waterproof IP67 for outdoor use protection. These IP67 24 volt power supply dc designs can withstand harsh environmental conditions and are used to provide reliable and safe electrical power in environments where moisture, humidity, or water exposure is a concern.
  • ✔️Input: 90-140V AC 50/60HZ, Output: 24V DC 16.6A 400W.【Suggestion: The power used should not exceed 80% of the power of the24v dc power supply】
  • ✔️Converts 110V AC to 24V DC, widely use for LED strip lights, led light bulbs and other 24V DC led lights(≤400W). Whether it is outdoor lighting, industrial settings, or outdoor events, waterproof led power supply ensure reliable and safe electrical power, enabling the smooth operation of equipment even in challenging conditions.
  • ✔️Automatic protection for: short circuit, overload, over voltage, over current, high temperature. Protection type: Hiccup mode, auto-recovery after fault condition is removed. They can operate at temperatures of -20℃~+60℃, 20%~90%RH (non condensing) without affecting performance and can be used in various environments.These safety measures ensure that the 400W dc led power supply remains operational even in demanding conditions,safeguarding both the equipment and the users.
  • ✔️High quality with 1 year warranty, and our seller support team always stand behind our products in any way, so please contact us for replacement if you have any quality problems.
Bestseller No. 9
JOYLIT 24V Power Supply 400W CE, 100-130V AC Convert to DC 24 Volt LED Driver 16.7A Max, Ultra Thin Fanless LED Transformer for LED Tape, 3D Printer, CCTV (24V 400W)
  • [ Parameter ]: INPUT: 100-130V AC 50/60Hz, Constant voltage DC output: DC 24V, Output Current: 16.7A Max, Maximum Power: 400W, 2 Channel DC Output,Size: 23.7X4.8X2.5CM
  • [ Safer to Use ]: CE Approved reliable low voltage transformer with over-voltage, over-current, over-load, short-circuit protections, ensure stable and safe operation and longevity the lifespan of the power supply.
  • [ Fast Wiring Terminal ]: No tools required, just insert the cables into the terminal, subvert the traditional wiring. Fast and Stable.
  • [ Dimmable Function ]: 4 level dimmable to adjust brightness in different level of 25%, 50%, 75%, 100%. Only 75% and 100% level suitable for COB LED Strip & High output LED Strip, because they need at least 20V voltage to drive it, below 20V lights will not work.
  • [ Quite Runing ] : Fan-less design, no noise and no flicker. Adopts durable aluminum housing and honeycomb style, filled with glue, scientifically designed for heat dissipation and helps the electronic components run cool.
Bestseller No. 10
LED Power Supply 400 Watts Waterproof IP67 12V Power Supply, AC 90-140V to DC 12V 33.3A Low Voltage Output with 3-Prong Plug 3.28ft Cable for LED Lights, Computer Project, Outdoor Use
  • 【Feature】The Model of 12V Power Supply: 90-140V AC 50/60HZ; Output: 12V DC 33.3A 400W
  • 【Waterproof】Our LED Power Supply is 100% IP67 waterproof and protective for outdoor use
  • 【Security】Automatic protection for short circuit / overload / over voltage / over current / over temperature
  • 【Wide Application】This LED driver is suitable for the LED Light , LED Strip Lights, Street Light, Surveillance Cameras, Fog-proof Light, Ceiling Lights, Frack Lights, Spotlight, Billboard, Monitoring Camera, Motor and Computer Projector, kitchen Cabinet lights and LED Landscape Transformer, etc
  • 【Stable & Reliable】Our LED Power Supply Transformer with aluminum metal housing, easy for heat dissipation and ensure stability. High quality with 1 year warranty

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