SFB SFX Power Supply

This industrial power supply is SFX 12 V v.2.31 compliant and offers important protection features for safe operations. With its 80 PLUS® Bronze rating, it can achieve up to 85 % efficiency at 115 V AC at 50 % load. This is the ideal solution for both businesses and consumers who are looking for a high quality and efficient SFX Power Supply.

  • ATX 12 V
  • 80 PLUS Gold Certified
  • Safety: CB, UL/cUL, TUV, CCC, BSMI, EAC
  • Dimensions: 100 mm (L) x 125 mm (W) x 63.5 mm (H)



80PLUS Gold Bronze
Intel form factor compliance Yes Yes
Dimensions 100 mm (L) x 125 mm (W) x 63.5 mm (H) 100 mm (L) x 125 mm (W) x 63.5 mm (H)
DC to DC converter design Yes No
Forward converter circuit No Yes
Fully modular cables No No
Fixed cables Yes Yes
80 mm double ball bearing fan Yes Yes
S3FC - including Fanless mode No Yes
S2FC - Smart and Silent Fan Control Yes No
Zero minimum load on 3.3 V rail Yes No
Short circuit protection on all outputs Yes Yes
Over voltage protection Yes Yes
Over power protection Yes Yes
100 % HiPot test Yes Yes
100 % Burn-in, high temperature cycled on/off Yes Yes
Safety compliance CB, UL/cUL, TUV, CCC, BSMI, EAC CB, UL/cUL, TUV, CCC, BSMI, EAC
EMC/EMI compliance CE, FCC, RCM CE, FCC, RCM



Input frequency 50 / 60 Hz
Inrush current at cold start 100 A max.
Efficiency (at normal input voltage) 87 %
Line regulation ± 1 % (typical)
Load regulation ± 5 % (typical)
Cross regulation ± 5 % (typical)
Ripple / noise 1 %
MTBF, full load @ 25 °C ambient (excl. DC fan) > 100,000 hours
Active Power Factor Correction 99 % (typical)
DC Outputs
+3.3 V +5 V +12 V Combined -12 V +5 Vsb Total continuous power Input Type
10 A 14 A 25 A 0.3 A 2 A 300 W Full range
70 W 300 W 3.6 W 10 W