Antec Signature Series SG-650 and SG-850 power supplies are Antec's premium line of high-end performance power supplies, combining cutting-edge technology, rigid testing, and impeccable style, the Signature series is the ultimate choice in power supplies.
The Signature Series SG-650 and SG-850 are high‑end ATX/EPS power supplies featuring universal 100~240 V input, active PFC, Japanese capacitors, dual‑layer circuit boards, and a PWM fan that runs from 400 RPM to 4000 RPM. They also include DC‑to‑DC conversion for the 5 V and 3.3 V rails and carry 80 PLUS® Bronze efficiency certification.
Installation involves mounting the unit with four screws, connecting the 24‑pin main connector, the CPU 8‑pin (or 4‑pin) connector, and the modular cables as needed, then attaching the AC power cord and switching the unit on. The manual also lists system protections such as OVP, SCP, and OCP, and provides detailed electrical specifications for each model.
| Total Power (continuous output) – SG-650 | 650W |
|---|---|
| Total Power (continuous output) – SG-850 | 850W |
| Maximum Load +12V – SG-650 | 25A |
| Regulation | ±3% |
| Input Voltage Range | 100~240 V |
| Efficiency Rating | 80 PLUS® Bronze |
Mount the PSU with the four supplied screws, connect the 24‑pin main power connector, attach the CPU 8‑pin (or 4‑pin) connector, plug in the required modular cables, connect the AC power cord, and turn the switch to the “|” position.
The SG‑850 includes Over Voltage Protection, Short Circuit Protection, and Over Current Protection.
A Japanese PWM fan that can operate from 400 RPM up to 4000 RPM depending on load and temperature.