Seasonic FOCUS GX ATX 3.0 850 W Review
Source: Tech Power Up added 06th Dec 2024
Introduction
The Seasonic FOCUS name has been on the market for quite a few years. Since the series introduction in 2017 we have seen both iterations and evolutions of the offer. From the Original FOCUS Gold to FOCUS PLUS Gold (both with 80 Plus Gold efficiency levels) to the FOCUS GM, FOCUS GX and the 80 Plus Platinum rated FOCUS PT, Seasonic has released 22 different FOCUS power supplies, ranging from 450 to 1000 watts. And that’s not counting the white-painted and SFX versions of the PSUs.
That’s why it comes at no surprise that Seasonic decided to upgrade the FOCUS again—the GX series in particular. On paper, the biggest update is a ‘must’ for any modern performance PSU—support for ATX 3.0. However, that’s far from the only change. The new GX differs from the old one in both external and internal construction as well.
To test the FOCUS GX ATX 3.0 refresh, we’ll be looking at 850 W version of the PSU. Without further ado, let’s check out its specifications and see how it compares to a couple of other fairly recent additions on our reviewed 850 W unit list.
Specifications
| Features & Specs | ||
|---|---|---|
| 80 Plus | Gold | |
| Cybenetics Efficiency Level | Gold | |
| Cybenetics Noise Level | Lambda A | |
| Form Factor | Intel ATX 12 V | |
| Dimensions | 140 mm (L) x 150 mm (W) x 86 mm (H) | |
| Fan Information | Fan Size | 135 mm |
| Fan Control | S3FC – Fanless until 30 % load | |
| Fan Bearing | Fluid Dynamic Bearing | |
| Life Expectancy | 50,000 hours at 40 °C, 15 % – 65 % RH | |
| Cable Information | Modularity | Fully Modular |
| Cable type | Individual Black Cables with Braided Pattern | |
| Electrical Features | Operating Temperature | 0–50 °C |
| MTBF @ 25 °C, excl. fan | 100,000 hours | |
| AC Input | Full Range | |
| Protection | OPP, OVP, UVP, OCP, OTP, SCP | |
| Safety and Environmental | Safety and EMC | cTUVus, TUV, CB, CCC, BSMI, EAC, CE |
| Environmental Compliance | Energy Star, RoHS, WEEE, ErP Lot 6, REACH | |
| Warranty | 10 Years | |
| Power Specs | |||||||
|---|---|---|---|---|---|---|---|
| AC Input | Voltage: 100 V – 240 V | ||||||
| Current: 11–5.5 A | |||||||
| Frequency: 50 Hz – 60 Hz | |||||||
| DC Output | Rail | +3.3 V | +5 V | +12 V | -12 V | +5 VSB | |
| Maximum Power | 20 A | 20 A | 70 A | 0.3 A | 3 A | ||
| 100 W | 840 W | 3.6 W | 15 W | ||||
| Total Continuous Power | 850 W / 115–240 V | ||||||
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media: Tech Power Up
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