
JM-850W · 4:324-frame sequence pending
JM 850W Bronze
The JM 850W Bronze is a native ATX 3.1 desktop power supply family from 500 to 850 W for volume OEM builds. It uses a two-transistor forward + APFC + DC-DC architecture with 105 °C Taiwanese main capacitors and a 120 mm temperature-controlled HYB fan; the 850 W model is 80 PLUS Bronze certified at 89.1 % typical efficiency and carries a 5-year warranty.
Rated power850W
Efficiency at 50%89.1%
Warranty5yr
Highlights
- Native ATX 3.1, compatible with 50-series graphics cards
- Two-transistor forward + APFC + DC-DC architecture
- 105 °C-rated Taiwanese main capacitors + solid capacitors (CapXon / Samxon / Teapo)
- 12 cm intelligent temperature-controlled HYB hydraulic fan
- Multiple protections: OCP / OVP / UVP / OPP / SCP / OTP
Applications
Output
Rated power850 W
Wattage options500 / 550 / 600 / 650 / 700 / 750 / 800 / 850 W
Input
Input voltage200–240 VAC
PFCActive PFC
Wide voltage rangeYes
Efficiency
Certification80 PLUS Bronze
CybeneticsBronze
Efficiency at 50% load89.1 % · 115 V · 850 W
Average efficiency85.13 %
Mechanical
Form factorATX 3.1
Dimensions (L×W×H)140 × 150 × 86 mm
Fan120 × 120 × 25 mm
TopologyTwo-transistor forward + APFC + DC-DC
Capacitors105 °C Taiwanese (CapXon / Samxon / Teapo) + solid-state
Protection & warranty
ProtectionsOCP / OVP / UVP / OPP / SCP / OTP
Thermal controlSupports
Warranty5 years
| Output | |
|---|---|
| Rated power | 850 W |
| Wattage options | 500 / 550 / 600 / 650 / 700 / 750 / 800 / 850 W |
| Input | |
| Input voltage | 200–240 VAC |
| PFC | Active PFC |
| Wide voltage range | Yes |
| Efficiency | |
| Certification | 80 PLUS Bronze |
| Cybenetics | Bronze |
| Efficiency at 50% load | 89.1 % · 115 V · 850 W |
| Average efficiency | 85.13 % |
| Mechanical | |
| Form factor | ATX 3.1 |
| Dimensions (L×W×H) | 140 × 150 × 86 mm |
| Fan | 120 × 120 × 25 mm |
| Topology | Two-transistor forward + APFC + DC-DC |
| Capacitors | 105 °C Taiwanese (CapXon / Samxon / Teapo) + solid-state |
| Protection & warranty | |
| Protections | OCP / OVP / UVP / OPP / SCP / OTP |
| Thermal control | Supports |
| Warranty | 5 years |
Certifications
Connectors
- ×1PCI-E 5.1 12V-2×6 (12+4)
- ×1Motherboard 20+4
- ×2CPU 8 (4+4)
- ×4PCI-E 6+2
- ×6SATA
- ×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.


