Seasonic 300W Computer Power Supply, 100 → 264V ac Input, 3.3 V dc, 5 V dc, 12 V dc Output

Seasonic

Product Information

Load Regulation:
±5%
Standards Met:
BSMI, CB, CE, CUL, ErP, FCC, ISO 14001, ISO 9001, RCM, TUV, 80 PLUS GOLD Certificate
Mounting Type:
Surface Mount
Width:
150mm
Series:
EA-300
Input Frequency Range:
50/60Hz
Length:
81.5mm
Efficiency:
≥87%
Depth:
40.5mm
Input Voltage:
100 → 264V ac
Power Signal Conversion Type:
DC-DC
Output Voltage:
3.3 V dc, 5 V dc, 12 V dc
Power Rating:
300W
Output Current:
10 A, 14 A, 25 A
Line Regulation:
±1%
RoHs Compliant
Checking for live stock

The Seasonic EA-300SUG is a high-performance 300W PC power supply designed for compact efficiency and industrial-grade reliability. Featuring an 80 PLUS Gold certification, it ensures optimal energy conversion with minimal heat waste, making it perfect for small form factor builds. Its robust DC-to-DC converter design and Active Power Factor Correction (PFC) provide stable voltage regulation. Built to endure rigorous environments, this PSU delivers consistent, clean power for specialised and standard computing systems alike.

What Makes Our Product Stand Out?

This Seasonic EA-300SUG PC power supply offers unrivalled energy efficiency and a whisper-quiet cooling system for superior performance. It minimises operational costs while maintaining a stable power flow for sensitive electronic components.

  • High 80 PLUS Gold energy efficiency.
  • Advanced low-noise fan control technology.

Technical Specifications

  • Power Output: 300W continuous power rating.
  • Efficiency: 80 PLUS Gold certified (up to 90% efficiency).
  • Voltage Input: Universal 100V to 264V AC range.
  • Protection: Integrated OVP, OPP, and SCP safety features.
  • Form Factor: Compact Flex-ATX/Mini 1U compatibility.

Suitable Environments

  • Ideal for space-constrained Mini-ITX or small form factor PC builds.
  • Perfect for industrial workstations requiring 24/7 operational reliability.
  • Suitable for energy-conscious home office setups and media centres.

pdf icon
EA-300SFG.SUG.TGS Data Sheet(Technical Reference)

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FAQs

Yes. We ship EA-300SUG Internationally to many countries around the world.
Yes. You can also search EA-300SUG on website for other similar products.
We accept all major payment methods for all products including ET13887620. Please check your shopping cart at the time of order.
We use our internationally recognized delivery partners UPS/DHL. Collection of ET13887620 can also be arranged for the customer by international shipments through contacting our customer support team. Additionally, you can also search"Seasonic" products on our website by using Enrgtech's Unique Manufacturing Part Number ET13887620.
You can order Seasonic brand products with EA-300SUG directly through our website or call us at +44 (0) 3303 800 157 or email our support team at sales@enrgtech.co.uk.
Yes. Our products in PC Power Supplies category are shipped in lowest possible time.
You will get a confirmation email regarding your order of Seasonic 300W Computer Power Supply, 100 → 264V ac Input, 3.3 V dc, 5 V dc, 12 V dc Output. You can also check on our website or by contacting our customer support team for further order details on Seasonic 300W Computer Power Supply, 100 → 264V ac Input, 3.3 V dc, 5 V dc, 12 V dc Output.