Successor of the model is: FSP300-60GMN 85+

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This ATX / PS2 power supply unit (PSU) has a real power rating of 300W (continuous @ 35°C) and a peak power of 350W. The GMN series also safe-guards your PC components by providing complete protection (OVP and SCP). The 12cm cooling fan is located on the bottom to decrease the overall noise level of the system, making the FSP300-50GMN the perfect solution for home office, entry-level applications.

GMN series does the job efficiently and reliably, making it a stable power supply unit built to satisfy the demands of users looking for entry-level power or the budget-minded system builder.


  • Low ripple & noise
  • Low noise (≤ 37.4dB)
  • ATX 12V v2.3
  • Single +12V rail (23A peak)
  • Good Efficiency (up to 82%)
  • OVP & SCP protection
2_year_warranty erp_eup_2013 rohs


Output Table
AC Input 99~265V, <3.5A~<2A, 47~63Hz
DC Output +3.3V +5V +12V -12V +5Vsb
Max Output Current 21A 15A 23A 0.3A 3.5A
Max Combined Power 103W 276W (23A peak) 21.1W
Total Power 300W
Peak Power


Dimension Depth Width Height
(mm) 140 150 86


PSU Load
20% 50% 100%
Efficiency 79.8% 82.57% 79%


connector_-_atx_24pin connector_-_atx_20_4pin
ATX 12V 24 Pin 1x ATX 12V 20+4 Pin


connector_-_cpu_8pin connector_-_cpu_4_4pin connector_-_cpu_4pin
CPU 8 Pin CPU 4+4 Pin 1x CPU 4 Pin


connector_-_pci-e_6_2pin connector_-_pci-e_6pin
PCI-E 2.0 6+2 (8) Pin PCI-E 2.0 6 Pin


connector_-_sata connector_-_molex_4pin connector_-_floppy_4pin connector_-_fan_2pin
2x S-ATA 2x Molex 4 Pin Floppy 4 Pin Fan 2 Pin