SEASONIC  

Seasonic SSP-300SUB 300W 80 PLUS Bronze Flex ATX Power Supply w/ Active PFC F0 & Fully Modular

Mfg Part Number:  SSP-300SUB  
Image may not reflect the actual item.
Price: $121.34
Quantity:
In Stock/Mfg Direct Ship
Last Updated: Dec 26, 2025
No Sales Tax except these states
, PO and Wire.
Main Specification
General Information
Manufacturer Sea Sonic Electronics Co., Ltd
Manufacturer Part Number SSP-300SUB
Manufacturer Website Address http://www.seasonicusa.com
Brand Name Seasonic
Product Model SSP-300SUB
Product Name SSP-300SUB 300W Power Supply
Product Type Power Supply
Technical Information
Specification Compliance ATX12V
Power Factor Correction (PFC) Active
Protection Type Over Voltage
Protection Type Over Power
Protection Type Short Circuit
Modular Yes
Features Low Noise
Reliability
MTBF 100000 Hour
Power Description
Number of +12V Rails 2
Input Voltage 230 V AC
Input Voltage 120 V AC
Output Voltage 5 V DC
Output Voltage -12 V DC
Output Voltage 5 V SB
Output Voltage 12 V DC
Output Voltage 3.3 V DC
Output Voltage Detail 5 V DC @ 17 A
Output Voltage Detail 5 V SB @ 2 A
Output Voltage Detail -12 V DC @ 0.8 A
Output Voltage Detail 12 V DC @ 18 A
Output Voltage Detail 3.3 V DC @ 14 A
Output Power 300 W
Input Frequency 63 Hz
Physical Characteristics
Form Factor Flex ATX
Height 1.6"
Width 3.2"
Miscellaneous
Certifications & Standards
  • CRUus
  • CCC
  • CE
  • CB
  • FCC
  • TUV
  • cUL
  • BSMI
  • RCM
  • ISO:9001:2015
  • ISO:14001:2015
Energy Efficiency Certification 80 Plus Bronze
Environmental Compliance Waste Electrical and Electronic Equipment Directive (WEEE)
Environmental Compliance Taiwan Restriction of Hazardous Substances (Taiwan RoHS)

Specifications

  • Mfr Part Number: SSP-300SUB
  • Features:
    • SATA-ready
    • Fully modular
    • High efficiency and reliability
    • Low ripple and noise
    • Super low noise fan control
    • Short circuit protection on all outputs
    • Over voltage protection
    • Over power protection
    • Fanless Mode (up to 30 % system load)
  • Type: Flex ATX
  • Total Power: 300 W
  • Input:
    • Current: 100A max.
    • Frequency: 47 - 63 Hz
  • Power Factor Correction: 95% typical
  • Efficiency: >85 % (at normal input voltage)
  • MTBF: >100,000 hours
  • Output: +3.3V @ 14A, +5V @ 17A, +12V1 @ 18A, +12V2 @ 18A,  -12V @ 0.8A, +5VSB @ 2A
  • Connector: Main Power - ATX 12V; Peripherals - SATA, HDD
  • Safety: CB, C-UL, CCC, TUV
  • EMI/EMC: BSMI, CE, FCC, RCM
  • Dimension (WxLxH): 81.5 x 150.0 x 40.5 mm
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
[0] [true] [Yes] [No] [No]