Name: Seasonic SS-300SFD 300-Watt 100-240V AC 5A 50-60Hz 80-Plus SFX12V Power Supply
Brand: Seasonic
SKU: SS-300SFD
Price: 133.50 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The Seasonic SS-300SFD 300W Power Supply Unit is an efficient and reliable power solution for compact systems. Designed to meet the SFX12V v3.1 standard, this PSU offers over 82% efficiency and a variety of connectors for flexible system compatibility. With its robust safety and EMI/RFI compliance, it provides dependable power for users seeking an energy-efficient solution in small form factor builds.

General Information
Brand	Seasonic
Part Number	SS-300SFD
Product Type	Desktop Power Supply
Condition	Refurbished

Technical Information
Input Voltage	100-240V AC
Input Frequency	50-60 Hz
Max. Output Power	300W
Efficiency Rating	80 Plus
Hot Swappable	No
Redundant Support	No
Cooling Type	Active Fan
rail_design	Single 12V Rail
Number of Fans	1

Compatibility
Form Factor	SFX
Compatible For	SFF PCs

Connectors
Connector Types	24-pin ATX, 4-pin CPU, SATA, Molex

Physical Characteristics
Dimensions	125 x 63.5 x 100 mm
Weight	5.00

Certifications and Environmental
Eco Friendly	Yes

Product Description
The Seasonic SS-300SFD 300W Power Supply Unit (PSU) is designed specifically for compact systems, ensuring reliable power delivery while adhering to the SFX12V v3.1 standard. With an efficient power output of 300W and an efficiency rating of over 82%, this PSU ensures optimal energy use, reducing power waste and enhancing overall system performance. The PSU supports a wide input range of 100-240V AC at 50-60Hz and offers a variety of connectors, including 1 x 24-pin ATX, 1 x 4-pin ATX12V, 2 x SATA, 4 x 4-pin Peripheral, and 2 x 4-pin Mini Peripheral, making it ideal for compact and versatile system builds. Additionally, it meets a range of safety and EMI/RFI standards, including CUL, TUV, CE, FCC, and more. Key Features 300W power output for compact systems Compatible with SFX12V v3.1 standard for broad system compatibility Includes multiple connectors for various system configurations Meets safety and EMI/RFI standards (CUL, TUV, CE, FCC, etc.) The Seasonic SS-300SFD PSU offers compact, energy-efficient power delivery for small form factor systems. With its multiple connectors and adherence to industry standards, it ensures compatibility and reliable performance for modern computing setups.

Use Cases
The Seasonic SS-300SFD 300-Watt power supply is designed primarily for compact and small form factor (SFF) computing environments where space constraints demand efficient and reliable power delivery. IT professionals deploying compact workstations or edge computing nodes benefit from its compatibility and energy efficiency, especially in environments requiring minimized power consumption and reduced heat output. How It's Used: Powering compact enterprise workstations in design and engineering firms where limited space is a concern. Supporting small-scale virtualization hosts or edge devices in remote office or branch office (ROBO) deployments. Providing reliable power for compact storage clusters in data center environments with space and energy optimization needs. Supplying energy-efficient power for embedded systems used in industrial automation where consistent uptime is critical. Enabling builds for IT professionals assembling small form factor PCs for specialized computing tasks such as network appliances or media servers. By delivering stable and efficient power within a compact footprint, the SS-300SFD supports operational efficiency and thermal management in space-constrained deployments. This makes it a practical choice for scalable infrastructure projects where reliability and power savings are essential without compromising performance.