Description
The GAMDIAS HELIOS M1-850B is an 850 W ATX12V v2.4 power supply certified for 80 PLUS Bronze efficiency, delivering up to 85% power conversion with a smart hydraulic bearing fan and automatic fan speed optimization. With a strong single +12 V rail (70 A), DC‑to‑DC design, active PFC and flat black non‑modular cables, it provides stable, reliable power for modern gaming and productivity builds. [web:2083][web:2084][web:2088][web:2091][web:2095]
- 80 PLUS Bronze efficiency: Meets 80 PLUS Bronze standards with up to 85% efficiency to reduce wasted energy and heat output under typical loads. [web:2083][web:2088][web:2092][web:2095]
- Smart hydraulic bearing fan: 120 mm hydraulic bearing fan features automatic fan speed optimization, adjusting RPM based on temperature and load to balance cooling and noise. [web:2083][web:2094][web:2095]
- Single +12 V rail & DC-to-DC design: Strong single +12 V rail rated at 70 A (840 W) with DC‑to‑DC conversion ensures stable power delivery for GPUs and CPUs. [web:2084][web:2088][web:2092]
- Flat black non-modular cables: Stealthy black flat cables improve airflow and make cable routing easier compared to traditional sleeved round cables. [web:2083][web:2088][web:2092][web:2095]
- Comprehensive protections: Built-in OVP, UVP, OPP, OCP, SCP, SP and ICP protections safeguard your components from power anomalies. [web:2084][web:2092]
| Specification | Detail |
|---|---|
| Brand | GAMDIAS [web:2083][web:2091] |
| Model | HELIOS M1-850B [web:2083][web:2088][web:2092] |
| Form Factor | ATX12V v2.4 [web:2088][web:2091][web:2092] |
| Rated Power | 850 W total power [web:2084][web:2088][web:2092] |
| Efficiency | Meets 80 PLUS Bronze efficiency (up to 85%) [web:2083][web:2088][web:2092][web:2095] |
| Power Factor Correction | Active PFC (APFC), PF up to 0.99 [web:2088][web:2091][web:2092] |
| AC Input | 100–240 V, 5.5–11 A, 47–63 Hz [web:2084][web:2088][web:2092] |
| DC Output Rails | +3.3 V / +5 V / +12 V / −12 V / +5 Vsb [web:2084][web:2092] |
| Max Current | 20 A / 20 A / 70 A / 0.3 A / 2.5 A [web:2084][web:2088][web:2092] |
| Max Combined Power | +3.3 V & +5 V: 130 W; +12 V: 840 W; −12 V: 3.6 W; +5 Vsb: 12.5 W; total 850 W [web:2084][web:2092] |
| Protection Features | OVP, UVP, OPP, OCP, SCP, SP, ICP [web:2084][web:2092] |
| Main Connector | 1 × 20+4‑pin ATX [web:2088][web:2092] |
| CPU Connectors | 2 × 4+4‑pin EPS/CPU [web:2088][web:2092] |
| PCIe Connectors | 4 × 6+2‑pin PCIe (some retailers note 2–4; spec sheet lists 4) [web:2088][web:2092][web:2097] |
| SATA Connectors | 6 × SATA (5‑pin) [web:2088][web:2092] |
| Molex Connectors | 4 × Molex (4‑pin) [web:2088][web:2092] |
| Modularity | Non‑modular [web:2088][web:2092][web:2096] |
| Cable Type | Flat black cables [web:2083][web:2088][web:2092][web:2095] |
| Fan | 120 mm hydraulic bearing fan with auto fan speed optimization [web:2083][web:2094][web:2095] |
| Dimensions | 140 × 150 × 86 mm (L × W × H) [web:2088][web:2091][web:2092] |
| Support C6/C7 | Supports C6/C7 low‑power states [web:2088][web:2091][web:2092] |
| Warranty | 5 years (India listings) [web:2092][web:2089] |
Ideal For: Mid‑range to high‑end gaming PCs that need an affordable 850 W 80+ Bronze PSU with a strong single +12 V rail, flat black cables and smart fan control. [web:2083][web:2088][web:2095]

