Seasonic G12 GM-650 650W Semi-Modular 80 PLUS Gold ATX PSU (Boxed)
Seasonic G12 GM-650 650W semi-modular ATX power supply with 80 PLUS Gold efficiency, 120mm FDB fan, S2FC smart fan control, single 12V rail (54A), 4x PCIe 6+2 connectors, 6x SATA, 5-year warranty.
Please Note
The website is currently being actively developed, you are welcome to place the order and in 99% of the cases your order will be processed as usual, but in some cases there may be a delay or the price may change. We will notify you if there are any issues.
Discontinued
This item was discontinued and currently is not available for order on our website. The item may become available soon. Please contact us if you need more information regarding the upcoming arrivals.
| PSU (Power Supplies) - Wattage | 600 - 699 W |
|---|---|
| PSU (Power Supplies) - Efficiency Rating | 80 Plus Gold |
| PSU (Power Supplies) - Color | Black |
| PSU (Power Supplies) - Modularity | Semi-modular |
| PSU (Power Supplies) - PCIe GPU Connectors | 4x 8/6 pins |
| PSU (Power Supplies) - Length | Up to 140 mm |
| PSU (Power Supplies) - EPS CPU Connectors | 1x 4+4pin EPS/ATX12V |
The Seasonic G12 GM-650 is a 650W semi-modular ATX power supply designed for builders seeking reliable performance without premium pricing. Featuring 80 PLUS Gold certification, this unit delivers at least 87%, 90%, and 87% efficiency at 20%, 50%, and 100% operating loads respectively, reducing energy waste and lowering operating costs. The semi-modular cabling design provides permanent connections for essential motherboard and CPU power while allowing flexibility for peripheral cables, making it ideal for cable management in both standard and compact cases.
Built with premium components including 105°C Japanese capacitors, a 120mm Fluid Dynamic Bearing (FDB) fan, and LLC resonant converter design, the G12 GM-650 prioritizes reliability and longevity. The intelligent S2FC (Smart and Silent Fan Control) system optimizes fan speed based on thermal needs, balancing cooling performance with whisper-quiet operation. With a compact 140mm depth, tight voltage regulation (±3%), and a single 12V rail delivering up to 54A, this power supply provides stable power for modern gaming and workstation builds. The unit includes gold-plated connectors, comprehensive protection features (overvoltage, overcurrent, short circuit, overheating), and carries a 5-year warranty.
Key Features:
- 80 PLUS Gold certified for superior efficiency
- Single 12V rail with 54A capacity for maximum GPU power delivery
- Semi-modular cabling for flexible cable management
- 120mm FDB fan with S2FC intelligent thermal control
- 4x PCIe 6+2 pin connectors, 6x SATA, 3x Molex, 1x Floppy
- Compact 140mm depth suitable for ATX and compact cases
- DC-to-DC converter design for stable multi-voltage output
- Comprehensive protection: OVP, OCP, SCP, OHP, UVP
- 5-year manufacturer warranty and ENERGY STAR certified
| Total Power Output | 650 W |
| AC Input Voltage | 100 - 240 V |
| AC Input Frequency | 50 - 60 Hz |
| Input Current | 4.5 - 9 A |
| Efficiency Rating | 80 PLUS Gold (87% @ 20%, 90% @ 50%, 87% @ 100% load) |
| Average Efficiency | 88.384% (across 1450+ load combinations) |
| Power Factor | 0.975 average |
| +12V Rail Output | 648 W, 54 A (single rail) |
| +5V Rail Output | 100 W, 20 A |
| +3.3V Rail Output | 20 A |
| -12V Rail Output | 3.6 W, 0.3 A |
| +5VSB Rail Output | 15 W, 3 A |
| Motherboard Power Connector | 20+4 pin ATX (61 cm cable) |
| CPU Power Connector | 1x 4+4 pin EPS/ATX12V (65 cm cable) |
| PCIe GPU Connectors | 4x 6+2 pin (PCIe) |
| SATA Power Connectors | 6x SATA |
| Molex Connectors | 3x 4-pin Molex |
| Floppy Drive Connector | 1x 4-pin (10.1 cm cable) |
| Cabling Type | Semi-modular |
| Form Factor | ATX |
| Dimensions (Unit) | 150 mm (W) x 86 mm (H) x 140 mm (D) |
| Cooling Fan | 1x 120mm FDB (Fluid Dynamic Bearing) fan |
| Fan Control | S2FC (Smart and Silent Fan Control) |
| Noise Level | 20.99 dBA average (A-grade rating) |
| Voltage Regulation | ±3% (tight regulation) |
| 12V Ripple (Full Load) | 42.76 mV |
| 5V Ripple (Full Load) | 16.74 mV |
| 3.3V Ripple (Full Load) | 21.07 mV |
| 12V Load Regulation | 0.10% |
| 5V Load Regulation | 0.54% |
| 3.3V Load Regulation | 1.02% |
| Standby Power Consumption | 0.0432 W |
| Inrush Current | 68.170 A |
| Protection Features | OVP (Over Voltage), OCP (Over Current), SCP (Short Circuit), OHP (Over Heat), UVP (Under Voltage) |
| Capacitors | 105°C Japanese electrolytic and conductive polymer aluminum solid capacitors |
| Converter Design | LLC resonant converter with DC-to-DC design |
| Operating Temperature | 0 - 50°C |
| Mean Time Between Failures (MTBF) | 100,000 hours |
| Warranty | 5 years |
| Color | Black |
| Certifications | 80 PLUS Gold, cTUVus, TUV, CB, CCC, BSMI, EAC, RCM, RoHS, WEEE, ErP Lot 6, REACH, ENERGY STAR |
| Included Accessories | AC power cord, modular cables, mounting screws (4), Velcro straps (3), cable ties, power supply tester, user manual, cable storage bag, case badge, warranty card |