Computer Power Supply 300w
Overview
Product sourcing insights & recommendations
The 300W computer power supply market in 2026 is evolving into a specialized segment driven by high-efficiency requirements and the miniaturization of hardware. While higher wattage units dominate gaming, 300W PSUs remain essential for home office PCs, HTPCs, and compact SFF builds, with a strong market shift toward 80 Plus Gold efficiency and ATX 3.1 compliance. The global market is seeing a healthy 8% CAGR, reflecting steady demand for silent, reliable, and energy-efficient power solutions. Detailed trends, technical benchmarks, and sourcing recommendations are provided in the report below.
Here is your market report on 300W power supplies. You can explore further by:
Computer Power Supply 300w Atx Sfx Tfx 80 Plus Gold
Products · 2 lists
TFX Power Supply 300w 350W 400W 450W 500W 550W Active PFC Computer PSU for Desktop PC case 80Plus Bronze Gold
Guangzhou Leadway Electronics Co., Ltd.verified🇨🇳CN5 yrs
300W/350W/400W/450W/500W/550W/600W 80plus Desktop ATX Power Supply
Shenzhen Inloom Technology Co., Ltd.🇨🇳CN15 yrs
LOVINGCOOL Desktop Server Case Gaming 1000W Computer PC Power Supply ATX Game PSU APFC Switching 80Plus Gold Certified Stock
Story Enterprise Limitedverified🇭🇰HK3 yrs
SFX 700W PSU Power Supply 80 PLUS Gold 600w 500W 400W SFX Power Supplies Custom Logo OEM for Computer Pc ITX Power
Dunao (guangzhou) Electronics Co., Ltd.verified🇨🇳CN7 yrs
PC Active 80 Plus Gold 300W 400W 500W 600W 700W 800W ATX Gaming Computer Power Supply PSU PC Power Suppliers Power Source
Chongqing Maishengyi Technology Co., Ltd.🇨🇳CN4 yrs
Wholesale Price TFX POWER 3 300W Gold Power Supply Game Power Supply Direct
Shenzhen Rant Technology Co., Ltd.verified🇨🇳CN6 yrs
TF SFX PC Power Supply 300W 400W 500W 600W 650W 700W 750W 80plus Gold Modular PSU Desktop Server Gaming Computer in Stock
Shenzhen Tianfeng International Technology Co., Ltd.verified🇨🇳CN6 yrs
Hot Selling 600W 700W 800W APFC SFX Fully Modular 80plus Gold PC Gaming Power Supply Small PC Case Desktop PSU Server
Boluo Xurong Electronics Co., Ltd.verified🇨🇳CN5 yrs
Customize Wholesale 80Plus Gold 90% Efficiency ATX 3.1 Power Supply Unit 1000W PSU CE UL Certificates
Shenzhen Yijian Technology Co., Ltd.verified🇨🇳CN5 yrs
Mini Server Computer SFX Power Supply 750W Full Modular 80plus Gold ATX PSU with Active PFC Metal Case
Shenzhen Jiumeng Electronics Technology Co., Ltd.verified🇨🇳CN1 yr
SFX Power Supply 80plus Gold 500W With Modular Strong Mini Structure High Quality Silent Fan
Dongguan Sootop Electronic Technology Co., Ltd.🇨🇳CN6 yrs
ATX Computer PSU 300W 400 W 500 W 50Hz Computer Power Supply with 12cm Fan PSU Desktop Switching Power Supply
Guangzhou Qianxi Electronic Co., Ltd.verified🇨🇳CN8 yrs
Computer Power Supplies Original PSU for Seasonic 80plus Bronze TFX 300W Switching SS-300TFX
80 Plus Gold Platinum Fully Modular 850W 1200W 1000W Power Supply for PC Gaming Computer
Guangzhou AOJIE Science & Technology Co., Ltd.verified🇨🇳CN16 yrs
SFX TFX 300W 200W 250W 400W ATX Power Supply for Desktop Mini PC Stocked and Ready for Use for Servers and Computers
Dongguan Worldwide Electronic Technologies Co., Ltd.verified🇨🇳CN13 yrs
3450W PC Power Supply 80 PLUS Gold ATX PC Power Supply Machine 20 Graphics Interface
Shenzhen Chuangyida Electronics Co., Limited🇨🇳CN6 yrs
SNOWMAN New Style 600W 500W 700W 800W 80 Plus Bronze ATX Power Supply Direct Factory Sale Desktop PC PSU with Stock Status
Dongguan Wan Yuan Electronic Technology Co., Ltd.verified🇨🇳CN2 yrsSNOWMAN New Style 600W 500W 700W 800W 80 Plus Bronze ATX Power Supply Direct Factory Sale Desktop PC PSU with Stock Status
Deep Dive · Full Report
Full Market Report
1 document · Live-fetched from source
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Sources & References
24 sources cited · Verified industry data & reports
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