The Seasonic Focus line got an upgrade to become ATX v3.1 and PCIe CEM 5.1 compatible. In this review I will start with the strongest member of the line (Focus GX-1000 V4) with 1000W max power.
The Seasonic Focus GX-1000 V4 ATX v3.1 is (or will be) included in my best ATX v3.x & PCIe 5.x PSU picks article.
Seasonic recently updated its popular Focus GX line, making it compatible with the ATX v3.1 and PCIe 5.1 standards. The line consists of three models with capacities ranging from 750W to 1000W. All have compact dimensions, with 140mm depth. Despite the small dimensions, Seasonic fit a 135mm diameter fan to keep noise output low. Seasonic also talks about the OptiSink design, which brings a new PCB layout to the Focus V4 units, aiming to increase reliability by improving heat dissipation and airflow. According to Seasonic’s claims, the new PCB design offers an eightfold increase in heat dissipation, keeping the operating temperatures low and increasing the PSU’s reliability.
The prices of the Focus GX V4 units are the following
- Focus GX-750: $ 129.99 (USA) / 119.90€ (Europe) / $119.99 (ROW)
- Focus GX-850: $149.99 (USA) / 139.90€ (Europe) / $139.99 (ROW)
- Focus GX-1000: $189.99 (USA) / 169.90€ (Europe) / $169.99 (ROW)
- Focus GX-750 White: $139.99 (USA) / 129.90€ (Europe) / $129.99 (ROW)
- Focus GX-850 White: $159.99 (USA) / 149.90€ (Europe) / $149.99 (ROW)
- Focus GX-1000 White: $199.99 (USA) / 179.90€ (Europe) / $179.99 (ROW)
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- Manufacturer (OEM): Seasonic
- Max Power: 1000W
- Cybenetics Efficiency: [115V] Cybenetics Gold (87-89%), [230V] Cybenetics Gold (89-91%)
- Noise: Cybenetics A- (25-30 dB[A])
- Compliance: ATX v3.1, EPS 2.92
- Operating Temperature (Continuous Full Load): 0 – 50 °C
- Alternative Low Power Mode support: Yes
- Power 12V combined: 1000W
- Number of 12V rails: 1
- Power 5V + 3.3v: 125W
- Power 5VSB: 15W
- Cooling: 135mm Fluid Dynamic Bearing Fan (HA13525H12F-Z)
- Semi-Passive Operation: ✓ (Selectable)
- Modular Design: Yes (Fully)
- High Power Connectors: 2x EPS (2x cables), 3x PCIe 6+2 pin (3x cables), 1x PCIe 12+4 pin (600W)
- Peripheral Connectors: 10x SATA (3x cables), 3x 4-pin Molex (1x cable)
- ATX Cable Length: 620mm
- EPS Cable Length: 610mm
- 12+4 pin PCIe Cable Length: 750mm
- 6+2 pin PCIe Cable Length: 750mm
- Distance between SATA / 4-pin Molex: 155-160/125mm
- In-cable capacitors: No
- Dimensions (W x H x D): 150 mm x 85 mm x 140mm
- Weight: 1.68 kg (3.7 lb)
- Warranty: 10-years
- MSRP (excluding VAT): $190
Power Specifications
| Rail | 3.3V | 5V | 12V | 5VSB | -12V | |
| Max. Power | Amps | 25 | 25 | 83 | 3 | 0.3 |
| Watts | 125 | 996 | 15 | 3.6 | ||
| Total Max. Power (W) | 1000 | |||||
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