The be quiet! Pure Power 13 M 850W is a fully modular ATX 3.1 power supply designed for modern gaming PCs, creator systems, quiet desktop builds and high-performance single-GPU computers.

It is best used for gaming PCs, streaming systems, content creation builds, media workstations, modern GPU upgrades and users who want an efficient, quiet and fully modular 850W PSU with ATX 3.1 and PCIe 5.1 support.

The Memox listing shows this model as BP027EU. Some regional versions may use related article numbers, so check the physical stock label if you need a specific regional code.

This model provides 850W of continuous power and 900W peak power. Continuous power is the key rating to use when checking compatibility with your CPU, graphics card and full system load.

Yes, 850W is enough for many modern single-GPU gaming PCs. You should still check the recommended PSU wattage for your graphics card and calculate the total power draw of your CPU, GPU, drives, cooling and accessories.

Yes, this PSU is more than enough for many RTX 4060, RTX 4070 and RTX 4070 Ti-style builds, assuming the rest of the system is not unusually power-hungry or heavily overclocked.

In many gaming systems, 850W can be enough for an RTX 4080 or RTX 4080 Super-style build, especially with an efficient modern CPU. For heavy overclocking, many drives or maximum headroom, some users may prefer 1000W.

It may suit some high-end GPU builds if the graphics card manufacturer recommends 850W and the full system load is within limits. For flagship GPUs, heavy overclocking or maximum upgrade headroom, a higher-wattage PSU may be a better choice.

It is designed for modern PCIe 5.1 graphics card power requirements and includes a native 12V-2x6 cable. Always check the specific GPU manufacturer’s PSU wattage and connector requirements before buying.

Yes. The be quiet! Pure Power 13 M 850W is ATX 3.1 compliant, making it suitable for modern PC builds that need updated power delivery and support for current and next-generation graphics card requirements.

ATX 3.1 is a newer power supply standard designed for modern PC components, including better support for graphics card power excursions and updated GPU power connector requirements.

Yes. The Pure Power 13 M 850W is PCIe 5.1 compatible and includes a native 12V-2x6 cable for compatible modern graphics cards, plus PCIe 6+2-pin connectors for traditional GPUs.

The 12V-2x6 connector is used to power compatible modern graphics cards that use the newer 16-pin GPU power connection. This PSU includes one native 12V-2x6 cable rated up to 600W.

Yes. The be quiet! specification lists one 12V-2x6 cable with a maximum combined power rating of 600W. Always follow the graphics card manufacturer’s cable instructions and do not exceed the GPU’s requirements.

Push the connector fully into the graphics card until it is firmly seated, avoid sharp bends close to the socket, avoid side pressure from the case panel and make sure the cable is not pulled at an angle.

Yes. Avoid tight bends close to the connector. Leave enough clearance between the graphics card connector and the side panel so the cable can curve naturally without stressing the plug.

Yes. This PSU includes 4 PCIe 6+2-pin GPU connectors, making it compatible with many current graphics cards that use traditional 6-pin or 8-pin PCIe power connectors.

The Pure Power 13 M 850W includes 4 PCIe 6+2-pin GPU connectors. This gives strong compatibility with graphics cards that do not use the newer 12V-2x6 connector.

Where possible, use the native cable supplied with the PSU. Avoid cheap, damaged or unknown GPU power adapters, and always follow the graphics card manufacturer’s official connection instructions.

Yes. It is fully modular, so you only connect the cables you need. This helps improve cable management, airflow and the overall look of the PC build.

A fully modular PSU allows cleaner cable routing, fewer unused cables inside the case, easier installation, better airflow and easier maintenance or future upgrades.

No. Do not mix modular PSU cables from other brands or other PSU models unless be quiet! officially confirms compatibility. Cable pinouts can differ and using the wrong cable can damage components.

It includes one 20+4-pin ATX motherboard connector, which is the standard main power connector for most modern desktop motherboards.

The be quiet! Pure Power 13 M 850W includes one P8 CPU connector and one P4+4 CPU connector. This supports many modern motherboards that require one or two CPU/EPS power connections.

This PSU includes 6 SATA power connectors. These can power SATA SSDs, hard drives, fan hubs, RGB controllers and other SATA-powered accessories.

Yes. The Pure Power 13 M 850W includes 2 PATA/Molex connectors for older accessories, fan controllers or legacy devices that still use Molex power.

No. The official specification lists no floppy connector. If you need floppy-style power for a legacy accessory, check whether a safe compatible adapter is suitable.

Yes. It is 80 PLUS Gold certified and be quiet! lists efficiency up to 94.4% at 230V and 50% load. This helps reduce wasted energy, heat and fan activity compared with lower-efficiency PSUs.

80 PLUS Gold is an efficiency certification. A more efficient PSU wastes less energy as heat, which can help reduce power consumption, internal case heat and fan noise under comparable loads.

Yes. 80 PLUS Gold is generally more efficient than 80 PLUS Bronze. For gaming PCs, creator systems and long daily use, Gold efficiency is a strong balance of performance, value and lower heat output.

Yes. The Pure Power 13 M 850W uses one high-performance 12V rail. The official specification lists +12V output at 70.9A and combined 12V power at 850W.

The 12V rail powers key components such as the graphics card and CPU. A strong 12V output helps support demanding gaming and creator systems when the PSU is correctly matched to the build.

Yes. be quiet! states that the Pure Power 13 M is designed to handle high short-term power excursions from modern graphics cards, which is one of the reasons ATX 3.1 support is useful for newer builds.

It uses a silence-optimised 120mm be quiet! fan with rifle bearing and a 4-pole fan motor. The fan is designed for quiet operation and efficient cooling.

Yes. The Pure Power 13 M 850W supports semi-passive zero-RPM cooling, meaning the fan can stop completely under low load and only start when cooling is needed.

Yes. It is designed for quiet operation. be quiet! lists very low noise levels across load ranges, with the fan stopping under low load and a maximum listed noise level of 17.6dB(A) at 100% load.

This can be normal because the PSU has semi-passive cooling. Under low load, the fan may remain off. It should start when the PSU needs extra cooling under higher load or temperature.

The PSU uses LLC + SR + DC/DC topology. This helps improve efficiency, voltage regulation and power stability for modern gaming and media creation PCs.

Yes. The Pure Power 13 M 850W supports Modern Standby and has very low standby power consumption listed at under 0.1W.

It includes over-temperature protection, over-current protection, over-power protection, short-circuit protection, over-voltage protection, under-voltage protection and surge/inrush protection.

The official specification lists safety and compliance marks including BSMI, CB, CCC, CE, cTUVus, CU, FCC, RCM, TÜV and UKCA, plus environmental standards such as Energy Star 8.0, ErP, WEEE and RoHS.

The PSU dimensions are 160 × 150 × 86mm without cables. It is an ATX PSU, so check your case PSU clearance and cable routing space before buying.

It should fit many standard ATX PC cases, but not every case. Check the case’s maximum PSU length, PSU shroud clearance, drive cage position and modular cable routing space before ordering.

No, not for most small-form-factor systems. This is an ATX PSU, not an SFX, SFX-L or TFX model. Compact cases may require a smaller PSU form factor.

The package includes the power supply, modular cables, screws, cable ties and user manual. Always check the package contents before starting installation.

Package contents can vary by regional version and supplier. The Memox listing is for the BP027EU model, so check the physical box contents or product images if a UK mains lead is essential for your build.

It can be suitable for many overclocked single-GPU systems, but suitability depends on CPU, GPU, voltage settings and total load. For extreme overclocking or flagship GPUs, a higher-wattage premium PSU may be better.

Check your case PSU clearance, motherboard power connectors, CPU/EPS connector needs, graphics card wattage, GPU connector type, number of SATA devices, cable routing space and whether 850W gives enough headroom for future upgrades.

This PSU is not ideal for small-form-factor cases requiring SFX or TFX power supplies, multi-GPU workstations, extreme overclocking systems, users who need more than 850W, users who specifically need 80 PLUS Platinum or Titanium efficiency, or buyers wanting maximum headroom for flagship future GPUs. It is best for compatible ATX gaming, creator and quiet-performance desktop builds needing efficient 850W ATX 3.1 / PCIe 5.1 power.

Buying the be quiet! Pure Power 13 M 850W from Memox is a practical choice if you need a quiet, efficient and modern 850W fully modular PSU for a compatible gaming PC, creator workstation or high-performance desktop upgrade. Memox offers power supplies, PC cases, motherboards, processors, RAM, SSDs, graphics cards, cooling products, cables, adapters and computer accessories for UK customers.