
SFX-L-1200W · 4:324-frame sequence pending
SFX-L 1200W Gold
The SFX-L-1200W is a native ATX 3.1 SFX-L power supply family covering 800, 1000 and 1200 W in a 125 × 125 × 63.5 mm housing, for compact workstations. It uses half-bridge LLC + synchronous rectification + DC-DC with Japanese 105 °C capacitors and a 120 mm FDB fan, reaches 94.0 % conversion efficiency at 50 % load on 230 V, is 80 PLUS Gold certified and carries a 7-year warranty.
Rated power1200W
Efficiency at 50%93.96%
Warranty7yr
Highlights
- Size 125 × 125 × 63.5 mm
- Native ATX 3.1, compatible with 50-series graphics cards
- LLC resonance + synchronous rectification + DC-DC
- Japanese 105 °C main capacitors (Rubycon / Nippon Chemi-Con / nichicon)
- 12 cm FDB (Taiwan TPI) hydraulic bearing fan
- Multiple protections: OCP / OVP / UVP / OPP / SCP / OTP
Applications
Output
Rated power1200 W
Wattage options800 / 1000 / 1200 W
Input
Input voltage100–240 VAC
PFCActive PFC
Wide voltage rangeYes
Efficiency
Certification80 PLUS Gold
CybeneticsGold
Efficiency at 50% load93.96 % · 230 V
Mechanical
Form factorSFX-L
Dimensions (L×W×H)125 × 125 × 63.5 mm
Fan120 mm, black
TopologyHalf-bridge LLC resonant + SR + DC-DC
CapacitorsJapanese 105 °C (Rubycon / Nippon Chemi-Con / nichicon)
Protection & warranty
ProtectionsOCP / OVP / UVP / OPP / SCP / OTP
Thermal controlSupports
Warranty7 years
| Output | |
|---|---|
| Rated power | 1200 W |
| Wattage options | 800 / 1000 / 1200 W |
| Input | |
| Input voltage | 100–240 VAC |
| PFC | Active PFC |
| Wide voltage range | Yes |
| Efficiency | |
| Certification | 80 PLUS Gold |
| Cybenetics | Gold |
| Efficiency at 50% load | 93.96 % · 230 V |
| Mechanical | |
| Form factor | SFX-L |
| Dimensions (L×W×H) | 125 × 125 × 63.5 mm |
| Fan | 120 mm, black |
| Topology | Half-bridge LLC resonant + SR + DC-DC |
| Capacitors | Japanese 105 °C (Rubycon / Nippon Chemi-Con / nichicon) |
| Protection & warranty | |
| Protections | OCP / OVP / UVP / OPP / SCP / OTP |
| Thermal control | Supports |
| Warranty | 7 years |
Efficiency at 50% · Conversion efficiency · 230 V
Certifications
Connectors
- ×1Motherboard 20+4
- ×2PCI-E 6+2
- ×2CPU 4+4
- ×8SATA
- ×3IDE (Molex 4-pin)
Dimensions
125 mm
125 mm
63.5 mm
What is the MOQ for this platform?
500 units for the standard build. Custom cable looms, housing colour or private-label plates start at 1,000 units.
Can the connector configuration be changed?
Yes. Connector count, gauge, sleeve colour and cable length are configurable at the ODM stage; drawings are issued for approval before tooling.
What is the lead time?
Samples ship in 10–15 working days. Volume production is 30–45 days from PO, subject to component allocation.


