ASUS PRIME 850W GOLD GAMING PSU
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About This Item
- 850 W ATX power supply with 80+ Gold efficiency
- Fully-modular cabling for clean build management
- Single top-mounted fan with active cooling
- ATX 3.0 standard with 20+4 pin motherboard connector
- Five SATA, three PCIe 8-pin, and three Molex connectors
- 120000-hour MTBF for long-term reliability
- Active PFC for stable power delivery
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ASUS AP-850G | Gold-Certified Modular PSU for High-Performance Systems
The ASUS AP-850G power supply unit 850 W 20+4 pin ATX ATX Black, White delivers reliable, high-efficiency power to demanding PCs. With 80 PLUS Gold certification and a fully modular design, it offers clean cable management and stable performance for gaming rigs, workstations, and enthusiast builds.
Slim Specs Table
| Metric | Spec. |
|---|---|
| Power Output | 850 W |
| Efficiency Rating | 80 PLUS Gold |
| Cooling | Active (single fan, top) |
| Form Factor | ATX |
| Cabling Type | Fully Modular |
Efficient Power Delivery for Demanding Systems
The 850 W capacity provides ample headroom for high-end components, including multi-GPU setups and overclocked CPUs. Active Power Factor Correction (PFC) ensures stable voltage delivery, while the 80 PLUS Gold rating means less wasted energy and lower operating temperatures. This makes the AP-850G ideal for systems running under continuous load, where efficiency translates directly to cooler operation and reduced electricity costs.
Advanced Cooling and Longevity
A single fan positioned at the top provides targeted airflow to critical internal components. Active cooling adjusts fan speed based on system load, maintaining quiet operation during light use while ramping up for intensive tasks. Combined with over-voltage, over-current, and short-circuit protection, this PSU is built to operate safely over long periods, reducing the risk of hardware damage.
Flexible Installation with Modular Cabling
The fully modular design means you connect only the cables you need, reducing clutter inside your case. Included cables cover CPU, PCIe, SATA, and peripheral connections, with lengths designed for typical ATX layouts. This modularity simplifies both initial build and future upgrades, giving you clean cable routing and improved airflow.
Box Contents
- ASUS AP-850G power supply unit
- CPU power cable
- PCIe power cables
- SATA power cables
- Peripheral (Molex) power cables
- Mounting screws
- User manual
Check before you buy
- Confirm your system’s total power draw is within 850 W capacity.
- Verify your case supports standard ATX PSU dimensions (150 x 150 x 86 mm).
- Check that your GPU and CPU require the connectors provided.
- Confirm regional power compatibility (100-240 V input).
Frequently Asked Questions
Q: What efficiency rating does the ASUS AP-850G have?
A: It is rated 80 PLUS Gold, offering up to 90% efficiency under typical loads.
Q: Is the cabling fully modular?
A: Yes, all cables can be detached and connected as needed.
Q: What protection features are included?
A: Over current, over power, over voltage, overheating, short circuit, and under voltage protection.
Q: What are the physical dimensions?
A: 150 mm wide, 150 mm deep, and 86 mm high.
Q: What warranty is provided?
A: Covered by the standard Manufacturer Warranty.
The Consultant’s verdict & warranty
The ASUS AP-850G power supply unit 850 W 20+4 pin ATX ATX Black, White is a dependable choice for users building or upgrading high-performance PCs. Its 80 PLUS Gold efficiency, modular cabling, and robust protection features make it suitable for gaming, content creation, and workstation applications where stable, efficient power is essential. Covered by the standard Manufacturer Warranty.
| Cooling | |
|---|---|
| Number of fans | 1 fan(s) |
| Fan location | Top |
| Cooling type | Active |
| Design | |
| 80 PLUS certification | 80 PLUS Gold |
| Product colour | Black, White |
| Number of fans | 1 fan(s) |
| Illumination | Yes |
| Fan location | Top |
| Cooling type | Active |
| Power | |
| Total power | 850 W |
| AC input voltage | 100 - 240 V |
| Power Factor Correction (PFC) type | Active |
| Combined power (+3.3V) | 110 W |
| Combined power (+12V) | 846 W |
| Combined power (+5V) | 110 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+5Vsb) | 12.5 W |
| Max output current (+3.3V) | 20 A |
| Max output current (+12V) | 70.5 A |
| Max output current (+5V) | 20 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+5Vsb) | 2.5 A |
| Power protection features | Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage |
| Ports & interfaces | |
| Motherboard power cable length | 61 cm |
| SATA power cable length | 400,120 mm |
| Peripheral (Molex) power cable length | 400,150 mm |
| PCI Express power cable length | 67.5 cm |
| CPU power cable length | 65 cm |
| Motherboard power connector | 20+4 pin ATX |
| Number of SATA power connectors | 5 |
| Peripheral (Molex) power connectors (4-pin) | 3 |
| PCI Express power connectors (8-pin) | 3 |
| CPU power connector (4+4 pin) | Yes |
| Cabling type | Fully-Modular |
| PCI Express power connectors (16-pin) | 1 |
| Performance | |
| Power supply unit (PSU) form factor | ATX |
| 80 PLUS certification | 80 PLUS Gold |
| Purpose | PC |
| ATX version | 3.0 |
| Mean time between failures (MTBF) | 120000 h |
| Certificates | |
| Compliance certificates | RoHS |
| 80 PLUS certification | 80 PLUS Gold |
| Packaging content | |
| Cables included | CPU, PCIe, SATA, Peripheral (Molex) |
| Weight & dimensions | |
| Width | 150 mm |
| Depth | 150 mm |
| Height | 86 mm |
| Weight | 1.5 kg |
| Packaging data | |
| Cables included | CPU, PCIe, SATA, Peripheral (Molex) |
| Package depth | 208 mm |
| Package width | 346 mm |
| Package height | 144 mm |
| Package type | Box |
| Package weight | 2.92 kg |
| Technical details | |
| Compliance certificates | RoHS |
| Identifiers | |
| Distributor SKUs | W129021243, 534300, PSU-90YE00U0-B0NA00, STD10218568, CL90YE00U0-B0NA00 |
| Additional EANs | 0197105192652 |

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