ASUS PRIME 850W GOLD GAMING PSU

£103.75 inc VAT

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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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Description

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.

Specifications
Cooling
Number of fans1 fan(s)
Fan locationTop
Cooling typeActive
Design
80 PLUS certification80 PLUS Gold
Product colourBlack, White
Number of fans1 fan(s)
IlluminationYes
Fan locationTop
Cooling typeActive
Power
Total power850 W
AC input voltage100 - 240 V
Power Factor Correction (PFC) typeActive
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 featuresOver current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Ports & interfaces
Motherboard power cable length61 cm
SATA power cable length400,120 mm
Peripheral (Molex) power cable length400,150 mm
PCI Express power cable length67.5 cm
CPU power cable length65 cm
Motherboard power connector20+4 pin ATX
Number of SATA power connectors5
Peripheral (Molex) power connectors (4-pin)3
PCI Express power connectors (8-pin)3
CPU power connector (4+4 pin)Yes
Cabling typeFully-Modular
PCI Express power connectors (16-pin)1
Performance
Power supply unit (PSU) form factorATX
80 PLUS certification80 PLUS Gold
PurposePC
ATX version3.0
Mean time between failures (MTBF)120000 h
Certificates
Compliance certificatesRoHS
80 PLUS certification80 PLUS Gold
Packaging content
Cables includedCPU, PCIe, SATA, Peripheral (Molex)
Weight & dimensions
Width150 mm
Depth150 mm
Height86 mm
Weight1.5 kg
Packaging data
Cables includedCPU, PCIe, SATA, Peripheral (Molex)
Package depth208 mm
Package width346 mm
Package height144 mm
Package typeBox
Package weight2.92 kg
Technical details
Compliance certificatesRoHS
Identifiers
Distributor SKUsW129021243, 534300, PSU-90YE00U0-B0NA00, STD10218568, CL90YE00U0-B0NA00
Additional EANs0197105192652

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