Top 9 300W ATX Power Supply – Computer Power Supplies

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1. Thermaltake


Thermaltake Smart 430W 80+ Black Continuous Power ATX 12V V2.3/EPS 12V Active PFC Power Supply PS-SPD-0430NPCWUS-W

Thermaltake #ad - Active pfc power factor correction, MTBF: 100, 000 hours. Compliance with Intel ATX 12V 2. 31 & eps 12v 2. 92 standards. 80 plus certified: 80% efficiency under typical load. Supports 2 pci-e 6+2pin connectors. 5 year warranty. Industry grade protections: opp over power Protection, OVP Over Voltage Protection, SCP Short Circuit Protection. Delivers 430w continuous output at +40℃.
BrandThermaltake #ad
ManufacturerThermaltake #ad
Height7.25 Inches
Length9 Inches
Weight3.3 Pounds
Width4 Inches
Part NumberPS-SPD-0430NPCWUS-W

2. Logisys


Logisys Corp. 480W 20+4Pin Dual Fan 20+4 ATX Power Supply PS480D2

Logisys #ad - Short Circuit Protection. 480w dual fan, 1 x main connector 20+4pin 1 x 12v P4 2 x Peripheral 4 x SATA 1 x Floppy. Low noise and Ripple. Over-voltage Protection. Supports intel P4 and AMD Motherboards.
BrandLogisys #ad
ManufacturerLogisys #ad
Height3.25 Inches
Length5.5 Inches
Weight2 Pounds
Width6 Inches
Part NumberPS480D2
Warranty1 year

3. Apevia


APEVIA VENUS450W 450W ATX Power Supply with Auto-Thermally Controlled 120mm Fan, 115/230V Switch, All Protections

Apevia #ad - Connectors:1 x 20/24pin main power, 3 x sata, 1 x 4pin 12V, 3 x Peripheral, 1 x Floppy.115/230v switch. Apevia venus 450w ATX Power Supply. Auto-thermally controlled Black 120mm Fan. Short-circuit/over-current/Over-Voltage/Over-Power/Under-Voltage/Over-Temperature Protections. 5% tolerance of 5v, 3. 3v & 12v output.
BrandApevia #ad
ManufacturerApevia Corp #ad
Height3.4 Inches
Length5.9 Inches
Width5.5 Inches
Part NumberVENUS450W

4. Apevia


1 x 12VP4, 1 x 20/24Pin Main Power, 1 x Floppy, 3 x Pheripheral, 3 x SATA, Apevia TFX-AP300W Standard Flex ATX 300W Power Supply, 115-230V AC

Apevia #ad - 5% tolerance of 5v, 3. 3v & 12v output. Output: +3. [email protected]; [email protected]; [email protected]; [email protected]; [email protected] 5a. Apevia tfx-ap300w standard 300w flex ATX Power Supply. Forced air ventilation by 1 x 80mm Fan. Input voltage: 115-230v ac, input Frequency: 60/50 .
BrandApevia #ad
ManufacturerApevia #ad
Height2.5 Inches
Length6.75 Inches
Weight2.1 Pounds
Width3.23 Inches
Part NumberTFX-AP300W



YEECHUN 300W Power Supply Replacement for Dell Inspiron 3847 MT L300NM-01 / PS-6301-06D G9MTY 0G9MTY

YEECHUN #ad - We have 1 year service warranty, 60 days money back guarantee. Compatible with the following models number - ps-6301 de-xd301mgf hk400-17fp dps-300ab-66 d300r001l fh-xd301myr-6 dps-300 04g185024420de 04g185015610de atx0300p5wb b300nm b300pm h300nm hp-p3017f3 D300 L300 PS-5301 PC7050 PC8035.

High quality - all Dell power supply are tested before shipping. Compatible with the following part number - x9gwg xw596 xw597 xw598 y359g yg01m yx308 yx309 yx446 yx449 yx453 mpcf0 0vwx8 5w52m 57kjr 5ddv0 6r89k 84j9y 949h1 cd4gp dg1r8 56dxg cf5w6 g9mty xw597 ffr0y gh5p9 fy630 gvy79 h057n 2751v 55vhc 6rvk0 6y94N 9MRG6 D382H H056N HT996 J0 Power supply connectors: 1 x 24-pin Connector, 4 x SATA Connectors, 1 x 4-Pin.
BrandYEECHUN #ad
ManufacturerYEECHUN #ad
Part NumberL300NM-01 / PS-6301-06D G9MTY 0G9MTY

6. StarTech

#ad 350 Watt ATX12V 2.01 Computer PC Power Supply w/ 20 & 24 Pin Connector ATX2POWER350

StarTech #ad - Smart fan adjusts speed to provide quieter operation while maintaining optimum cooling. Dedicated power on second 12V output as required by latest processors. Heavy-duty transformer designed to support high performance systems with several drives.

Compliant with ATX12V 2. 01 revision standards, the power supply offers dual 12v power rails, long-lasting power to your hard working AMD or Intel CPU based system, the 350 Watt PSU is backed by StarTech. Com's 2 year warranty and free lifetime technical support. This high quality 350 watt atx12v 2. 01 power supply offers a reliable pc power solution, and ensures broad compatibility with a 20/24 pin motherboard connection.

Includes pci-express connector and multiple SATA connector. Emi/rfi power filtration system provides low noise/ripple for super clean and stable power to all system components. Designed to provide dependable, with support for modern dual-core CPU designs as well as PCI Express and SATA device connections. Mtbf 100, 000 hours. High flow fan provides efficient cooling for the system and the power supply. Atx12v version 2. 01 compliant.
BrandStarTech #ad
ManufacturerSTARTECH.COM #ad
Height55.12 Inches
Length59.06 Inches
Weight2.87 Pounds
Width3.35 Inches
Part NumberATX2POWER350
Warranty2 year warranty

7. Apevia


Apevia ITX-AP300W Mini-ITX / Flex ATX 300W Solid Power Supply, Black

Apevia #ad - Output: +3. [email protected], [email protected], [email protected], [email protected], [email protected] 5a. Cooling: forced air ventilation by 1 x 40mm Double Ball Bearing Fan. Standard mini-itx / flex atx type, Maximum Power: 300W. Connectors: 1 x 20+4pin main power, 1 x 4pin 12vp4, 2 x SATA, 2 x 4pin molex, 1 x 4pin Floppy. Dimension: 150mm x 81. 5mm x 405mm 5. 9" x 3. 21" x 1. 59" - l x w x H.
BrandApevia #ad
ManufacturerApevia #ad
Height1.6 Inches
Length5.9 Inches
Weight1.8 Pounds
Width3.21 Inches
Part NumberITX-AP300W 
Warranty1 Year

8. LXun


LXun FSP300-60ATV 300W ATX Power Supply Compatible with M/N: FSP300-60ATV FSP250-60ATV FSP300-60PFG FSP250-60PFN FSP300-60PLN FSP300-60GLC

LXun #ad - For any reason you're not completely satisfied with the product, you can ask for a replacement or full refund. High quality: brand new high quality 300W Power Supply Replacement, each item has been tested and in good condition before shipping. Return guarantee: one year warranty. Compatible model number: fsp300-60atv fsp250-60atv fsp300-60pfg fsp250-60pfn fsp300-60PLN FSP300-60GLC. Package contents: 1 x fsp300-60ATV ATX power supply. Shipping: shipped from the U. S, delivery time takes about 2-5 bussiness days.
BrandLXun #ad
ManufacturerLXun #ad



IN WIN CK709 SFF Micro ATX Desktop case with 300W Power Supply CK709.FF300TB3

IN WIN #ad - Standard tfx 12v 300W Power Supply. Smart interior Structure Design. Superior Performance. Tool-free drive bays and PCI-E Slots. Easy Integration. Optimal Thermal Performance.
BrandIN WIN #ad
ManufacturerIn Win #ad
Height5.8 Inches
Length13.3 Inches
Weight8.48 Pounds
Width15.1 Inches
Part NumberCK709.FF300TB3
Warranty3 years