The Best 400W Atx Power Supply of 2023 – Reviewed and Top Rated
2,076 Reviews Scanned
SaleRank No. #1
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
SaleRank No. #2
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
Rank No. #3
400W Power Supply Flex ATX Fully Modular PSU Full Voltage 90V-264V Computer Supplies for Gaming Server Desktop
- Fully Modular PSU 400W: Efficient low-noise power supply with fully modular cabling,so you only connect the cables that your system needs.
- Supports the standard Flex ATX form factor.Application desktop,server,voltage from 90-264v.
- 400W continuous power output，at 40℃ rated operating temperature for 24/7 operation Japanese main condenser ensure unwavering power and reliability.
- Class leading single +12V rail, extremely fast wake-from-sleep times and better low-load efficiency.
- It is assembled with black paint shell, the appearance is not only beautiful and comfortable, the hand feels smooth, not easy to damage and deform.
Rank No. #4
New 400-Watt ATX Computer Power Supply Desktop PC 400W for Intel AMD PC SATA
- Input: 115-230V 60/50hz 10A/6A, 60Hz/50Hz Output: +3.3V 16A, +5V 18A, +12V 22A, -12V 0.5A, +5VSB 2A
- Voltage Max current Frequency Protection 115/230VAC 10/6 A 60Hz/50Hz Internal fuse
- AC Input is switch selectable between 115V (100-120V) and 230V (200-240V).
- MTBF 100K Hrs at 25C Ambient Conditions Efficiency 70% Min. at Full Load Noise Level Maximum of 37db at 100% System Loading
- Dimensions: 5.9 W x 3.4 H x 5.5 D Inch
SaleRank No. #5
Ptcliss 400W Full Modular 1U Flex ATX Power Supply 80 Plus Bronze Efficiency, Flex-400W
- Meets 80 Plus Bronze Efficiency,Fully Modular Full Range Active PFC PSU Suitable for POS AIO system desktop gaming server widely used in places with unstable voltage, and has the function of automatically protecting computers.
- Supports the standard flex ATX Form Factor，Built with Japanese Capacitors for great reliability and durability Strong heat dissipation, high efficiency and energy saving。
- Support PCIe 6pin and PCIe 8pin connector
- Multiple protection：OVP UVP OCP OPP SCP OTP.
- Warranty: 1 year
Rank No. #6
FSP Group Mini ITX Solution/Flex ATX 80 Plus Gold 400W high Efficiency Power Supply (FSP400-60FGGBA)
- High efficiency 80 plus gold certified power supply; efficiency >90%
- High Quality Resettable power shut down | Low Ripple & Noise internal 4 cm fan delivers excellent airflow at an exceptionally low noise level
- 100% burn-in under high ambient temperature(50); MTBF:100K hours at 25
- Resettable power shut down / 100% Hi-pot tested
- For standard, advanced server, Networking, NAS and industrial power system
Rank No. #8
Rank No. #9
EASWEL 400W Output Switch Power Supply Module for PC 24Pin DC 12V Pico PSU ATX Switch
- Connector type: 24_pin_atx
Rank No. #11
ePowerTec EP-400PM 400W ATX/EPS12V Power Supply with 120MM Fan
- Form Factor: ATX12V 2. 0
- Maximum Wattage: 400W
- Single 120 mm Cooling Fan
- 1 year
Rank No. #13
DROK 48V Power Supply, AC 110V/220V to DC 0-48V 10A 480W Buck Converter, Adjustable Variable LED Adapter Regulated 5V 12V 24V 30V 36V 48V Volt Voltage Transformer 10A Amp Charger for Lab CCTV
- 【Volt Adjustment】 Input Voltage can be 110V or 220V. Wide adjustable output Voltage range: DC 0-48V. This supply is suitable for 5V 9V 12V 24V 30V 36V 48V devices. The voltage precision is 0.1V. Note——The maximum current is 10A. But the actual current is depended on the load. No matter how many voltage is adjusted, the current is 10A and can not be regulated. It can be used to device of 2A 3A 5A 10A. Make sure to use the devices which is below 10A.
- 【Hareware】 This Buck Converter is equipped with LED screen, heat sink and cooling fan. The LED screen can clearly display the output voltage. Heat sink and cooling fan can control the temperature in a safe range. During the running power is high, the cooling fan will automatically activate with little noise.
- 【Easy Operation】 This supply is no need to install, after connecting wire, it can be used to adjust output, which is convenient. The potentiometer is inset into the supply. Only to rotate the potentiometer can adjust output parameter.
- 【Protection】 Over Load Protection, Over Voltage Protection, Short Circuit Protection, which can protect your device from damage. Note: the default input voltage is 220V, before using, please switching the input voltage to 110V/220V according to your city voltage.
- 【Wide Application】 This power supply has variable application. It can be used as a 5V 12V 24V 30V 36V 48V power supply for RV, Car, Labtop, Computer, Lab, CCTV, etc. All of our item has 1 year long time warranty guarantee.
SaleRank No. #14
DROK 24V Power Supply, AC 110V/220V to DC 0-24V 20A 480W Buck Converter, Variable Adjustable Adapter Regulated 5V 12V 24V Volt Switching Voltage LED Transformer 20A Amp Charger for Computer Lab
- 【Volt Adjustment】 Input Voltage can be 110V or 220V. Wide adjustable output Voltage range: DC 0-24V. This supply is suitable for 5V 9V 12V 24V devices. The voltage precision is 0.1V. Note——The maximum current is 20A. But the actual current is depended on the load. No matter how many voltage is adjusted, the current is 20A and can not be regulated. It can be used to device of 2A 3A 5A 10A 12A 15A 20A. Make sure to use the devices which is below 20A.
- 【Hareware】 This Buck Converter is equipped with LED screen, heat sink and cooling fan. The LED screen can clearly display the output voltage. Heat sink and cooling fan can control the temperature in a safe range. During the running power is high, the cooling fan will automatically activate with little noise.
- 【Easy Operation】 This supply is no need to install, after connecting wire, it can be used to adjust output, which is convenient. The potentiometer is inset into the supply. Only to rotate the potentiometer can adjust output parameter.
- 【Protection】 Over Load Protection, Over Voltage Protection, Short Circuit Protection, which can protect your device from damage. Note: the default input voltage is 220V, before using, please switching the input voltage to 110V/220V according to your city voltage.
- 【Wide Application】 This power supply has variable application. It can be used as a 5V 12V 24V power supply for RV, Car, Labtop, Computer, Lab, CCTV, etc. All of our item has 1 year long time warranty guarantee.
SaleRank No. #15
New Version AC to DC Converter, EAGWELL SMPS 110V AC to 12V DC Converter Power Supply Adjustable Switch Power Supply Transformer Max 50A 600W
- 【NEW VERSION AC TO DC CONVERTER】New Upgrade 600w converter build with Imported Aluminum alloy shell ,Built-in wire integrated design, Dual power connection methods, Very convenient for 12V devices with clamps, Eagwell's 50 amp power supply come with ul power cord ,12v converter with switch ,wire lugs,metal clip and screw.Super convenient for devices with clamps. You can clamp to the two cylindrical contacts directly. It is a patent design of 12v dc power converter.
- 【ADJUSTABLE VOLTAGE】12 Volt Power Supply is AC to DC 12V Converter.Input voltage Support AC 110V-120V / 220V-240V , Output Range (12V 1A-5A, 12W-60W ) or (12V 10A-50A 120W-600W) ,voltage input will adjust automatically to SMPS Model ,Output current Mainly depends on your device, such as 10A 120W, 25A 300W, 40A 480W, Max current up to 50A,Power 600W.
- 【HOW TO CHOOSE】The peak power is 50A,600W. It does not mean 12v power supply can fit rate power 600W. For motor device, the start current will be much higher that rate power. If use resistive equipment , such like led strips, you can use higher power, such like 40A rated leds will also be OK.
- 【SMART COOLING SYSTEM】600W Power Converters Aluminum Shell are designed with many heat dissipation holes, Built-in Cooling fan and dust-proof net, which effectively prevent dust from entering, ensure the stable rotation of the electric fan and prevent the circuit board from burning ; moreover, anti-skid pads are added to the bottom in this 110v to 12v converter, which can also make the bottom better heat dissipation and work more stable, Converter Working Temperature Range : 14℉-140℉
- 【SAFE & STABLE,LONG SERVICE LIFE】AC to DC Converter 12V come with overload ,over voltage protection,Leakage protection and short circuit protection function.All copper nickel-plated terminal material, which has good electrical conductivity and high conversion efficiency , corrosion resistance,aging resistant, power converter free from time and space constraints.Eagwell's 600w converter power supply, power cord and plug all have passed UL,CE,RoHS Certifications
SaleRank No. #16
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 4pin 12V, 3 x SATA, 3 x Peripheral, 1 x Floppy
- Auto-Thermally Controlled Black 120mm Fan. 115/230V Switch
- 5% Tolerance of 5V, 3.3V & 12V Output
- Short-Circuit/Over-Current/Over-Voltage/Over-Power/Under-Voltage/Over-Temperature Protections
SaleRank No. #17
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
Rank No. #18
EVGA 500 W1, 80+ WHITE 500W Power Supply( 100-W1-0500-KR)
- EVGA 500 Watt; Unbeatable value
- 80 plus white certified, with 80 percentage efficiency or higher under typical loads
- Heavy duty protections, including OVP (Over voltage protection); UVP (Under voltage protection, OCP (Over current protection), OPP (Over power protection), and SCP (Short circuit protection)
- Compatibility of the EVGA 500 W1, 80 white 500 W, Power supply 100 W1 0500 KR (100 W1 0500 KR)
SaleRank No. #19
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
Rank No. #20
S-Union Upgraded 942332-001 400W Power Supply Compatible with HP 280 288 285 480 600 680 800 G3 G4 Power Supply PA-3401-1HA L04618-400 942332-001 L04618-800 PA-3401-2HA PSU Power Supply
- 【Compatible model】: Compatible with HP prodesk 480 800 680 285 288 280 Pro G3 MT prodesk 600 G4 400W Power Supply
- 【Compatible part number】: L04618-400 L04618-800 942332-001 L76557-001 PA-3401-1HA PA-3401-2HA
- 【Output】: Total power:400W, + 12.1Vmain == 16A, + 12.1Vcpu == 16A,+ 12.1VG == 16A
- 【Input】100-240 V, 50-60 Hz,5.2A
- 【Warranty】1 Year warranty, For any reason you're not completely satisfied, you can ask for a replacement or full refund.
Last update on 2023-08-04 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API
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