JM-1200W · 4:324-frame sequence pending
JM 1200W Platinum
The JM 1200W Platinum is a native ATX 3.1 desktop power supply family covering 750, 850, 1000, 1050 and 1200 W. The 1200 W model is 80 PLUS Platinum certified at 92.9 % typical efficiency, uses a half-bridge LLC + DC-DC design with Japanese 105 °C capacitors and a 120 mm FDB fan, accepts 100–240 V input and carries a 10-year warranty.
Rated power1200W
Efficiency at 50%92.92%
Warranty10yr
Highlights
- Native ATX 3.1, compatible with 50-series graphics cards
- Half-bridge LLC resonance + DC-DC + synchronous rectification
- 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 options750 / 850 / 1000 / 1050 / 1200 W
Input
Input voltage100–240 VAC
PFCActive PFC
Wide voltage rangeYes
Efficiency
Certification80 PLUS Platinum
CybeneticsPlatinum
Efficiency at 50% load92.92 % · 115 V · 1200 W
Average efficiency91.52 %
Mechanical
Form factorATX 3.1
Dimensions (L×W×H)140 × 150 × 86 mm
Fan120 × 120 × 25 mm
TopologyHalf-bridge LLC resonant + DC-DC SR
CapacitorsJapanese 105 °C (Rubycon / Nippon Chemi-Con / nichicon)
Protection & warranty
ProtectionsOCP / OVP / UVP / OPP / SCP / OTP
Thermal controlSupports
Warranty10 years
| Output | |
|---|---|
| Rated power | 1200 W |
| Wattage options | 750 / 850 / 1000 / 1050 / 1200 W |
| Input | |
| Input voltage | 100–240 VAC |
| PFC | Active PFC |
| Wide voltage range | Yes |
| Efficiency | |
| Certification | 80 PLUS Platinum |
| Cybenetics | Platinum |
| Efficiency at 50% load | 92.92 % · 115 V · 1200 W |
| Average efficiency | 91.52 % |
| Mechanical | |
| Form factor | ATX 3.1 |
| Dimensions (L×W×H) | 140 × 150 × 86 mm |
| Fan | 120 × 120 × 25 mm |
| Topology | Half-bridge LLC resonant + DC-DC SR |
| Capacitors | Japanese 105 °C (Rubycon / Nippon Chemi-Con / nichicon) |
| Protection & warranty | |
| Protections | OCP / OVP / UVP / OPP / SCP / OTP |
| Thermal control | Supports |
| Warranty | 10 years |
Efficiency at 50% · 80 PLUS report · 1200 W · 115 V
Certifications
Connectors
- ×1PCI-E 5.1 12V-2×6 (12+4)
- ×1Motherboard 20+4
- ×2CPU 4+4
- ×4PCI-E 6+2
- ×9SATA
- ×3IDE (Molex 4-pin)
- ×1FDD
Dimensions
140 mm
150 mm
86 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.
Related models
JM-1200WIn stock
JM 1200W Gold
650 – 1300 WGold-rated LLC desktop platform, 650 – 1300 W, 120 mm FDB fan.
SpecificationsJM-850WIn stock
JM 850W Bronze
500 – 850 WVolume OEM platform, 500 – 850 W, two-transistor forward + APFC + DC-DC, 5-year warranty.
SpecificationsJM-850WIn stock
JM 850W White
500 – 850 WEntry ATX 3.1 platform, 500 – 850 W, 80 PLUS Standard, 100–240 V input.
Specifications