The be quiet! Pure Power 13 M 550W is a modular ATX power supply designed for modern desktop PCs. It provides 550W continuous power, 80 PLUS Gold efficiency, ATX 3.1 support, PCIe 5.1 compatibility, semi-passive cooling and modular cables for cleaner PC builds.

The Pure Power 13 M 550W is best used for efficient gaming PCs, office PCs, home computers, media creation builds, compact ATX systems, quiet desktops and mid-range systems using modern CPUs and efficient graphics cards.

Yes. The Pure Power 13 M 550W is a modular power supply. This means you only connect the cables you need, helping improve cable management, airflow and the overall appearance of the PC build.

Yes. The Pure Power 13 M 550W uses modular cables, including the motherboard, CPU, PCIe, SATA and peripheral cables. This makes it easier to build a clean system with fewer unused cables inside the case.

ATX 3.1 is a modern Intel power supply specification designed to better support current and next-generation PC hardware. For buyers, it means the PSU is designed with modern power excursion handling, updated GPU connector support and improved compatibility with newer systems.

Yes. be quiet! lists the Pure Power 13 M 550W as an ATX 3.1 power supply. This makes it suitable for modern desktop builds that need an up-to-date PSU standard.

Yes. The Pure Power 13 M 550W is PCIe 5.1 compatible and includes a native 12V-2x6 connector for compatible next-generation graphics cards, as well as PCIe 6+2 connectors for current-generation GPUs.

The 12V-2x6 connector is the updated high-power graphics card connector used for modern PCIe 5.1 graphics cards. It is designed to replace the earlier 12VHPWR connector design and provide a safer, improved connection when fully inserted correctly.

Yes. The Pure Power 13 M 550W includes one 12V-2x6 cable. On this 550W model, be quiet! lists the 12V-2x6 combined power support as 300W.

They are closely related, but 12V-2x6 is the newer connector design used with PCIe 5.1 and ATX 3.1 hardware. It is intended to improve reliability when properly seated, while still supporting many modern GPUs that use this style of high-power connector.

Yes. The Pure Power 13 M 550W includes 2 PCIe 6+2-pin connectors for graphics cards that use traditional 8-pin PCIe power. This makes it suitable for many current mid-range GPUs.

Yes, 550W can be enough for many efficient gaming PCs, especially with mid-range CPUs and graphics cards such as RTX 4060, RTX 4060 Ti, RTX 4070-class low-power models or similar AMD Radeon cards. For high-end GPUs, choose a higher-wattage PSU.

Yes. The be quiet! Pure Power 13 M 550W is a strong match for many RTX 4060 gaming PCs because the RTX 4060 is power efficient and 550W gives enough headroom for typical mid-range CPU and GPU combinations.

Yes, it can be suitable for many RTX 4060 Ti systems when paired with a sensible CPU and normal storage/fan setup. Always check the graphics card manufacturer’s recommended PSU wattage and your full system power draw.

It may be enough for some efficient RTX 4070 systems, depending on the CPU and total system power draw. However, if you want more upgrade headroom, heavy overclocking or a higher-power GPU later, a 650W or 750W PSU may be a safer choice.

For RTX 4070 Super builds, 550W may be tight depending on the CPU and full system configuration. Many users will prefer a 650W or 750W PSU for extra headroom, especially for gaming, upgrades and long-term reliability.

No. The Pure Power 13 M 550W is not recommended for RTX 4080, RTX 4090 or similar high-end graphics cards. Those GPUs normally require a higher-wattage power supply with more headroom.

It depends on the graphics card model. The PSU supports PCIe 5.1 and includes a 12V-2x6 cable, but the 550W capacity and 300W 12V-2x6 rating make it more suitable for efficient mid-range GPUs rather than high-end flagship cards.

Yes. It can support many AMD Radeon graphics cards that use one or two 8-pin PCIe connectors, as long as the total system power draw is within the PSU’s limits. For high-end Radeon GPUs, consider a higher-wattage model.

Yes. The Pure Power 13 M 550W is more than enough for many integrated graphics PCs, office desktops, home systems and media PCs. It also gives room to add a mid-range graphics card later.

Yes. It can be a good choice for efficient home servers, NAS-style systems and always-on PCs because it is quiet, efficient, modular and built by a trusted PSU brand. Check drive count, CPU choice and any GPU or expansion cards before deciding if 550W is enough.

Yes. This PSU is designed for quiet operation and uses a 120mm be quiet! fan with semi-passive cooling. be quiet! lists very low noise levels, including low-load operation where the fan can stop completely.

Semi-passive cooling means the PSU fan can stop under low load and only spin when cooling is needed. This helps reduce noise during web browsing, office work, media playback and other light workloads.

Yes, on this model it can be normal for the fan to stop at low load because the Pure Power 13 M 550W has semi-passive zero-RPM cooling. The fan should start when the power supply becomes warmer or the system load increases.

If the system is running normally and the PSU is cool, the fan may be stopped because of semi-passive operation. If the PC shuts down, overheats or behaves strangely, check airflow, cables, PSU installation and system load.

The be quiet! Pure Power 13 M 550W is 80 PLUS Gold certified. be quiet! lists efficiency up to 93.8% at 230V and 50% load, helping reduce wasted energy, heat and fan noise.

80 PLUS Gold is an efficiency certification for power supplies. It means the PSU converts more of the power from the wall into usable PC power and wastes less energy as heat compared with lower-efficiency units.

It can help reduce energy waste compared with less efficient PSUs, especially in PCs used for many hours. The actual saving depends on your PC power draw, electricity cost and how long the system runs each day.

The Pure Power 13 M 550W uses a single high-performance 12V rail. The 12V rail powers demanding components such as the CPU, graphics card, fans and drives.

Yes. be quiet! states that the Pure Power 13 M can handle power excursions up to double its rated power for short periods, which is important for modern graphics cards that can create sudden transient loads.

The PSU includes modular cables for the motherboard, CPU, graphics card, SATA devices and peripheral devices. be quiet! lists 1 x 20+4-pin ATX motherboard connector, 1 x 4+4 CPU connector, 1 x 12V-2x6 cable, 2 x PCIe 6+2 connectors, 5 SATA and 2 PATA/Molex connectors.

Yes. The Pure Power 13 M 550W includes 5 SATA connectors, which is enough for many systems using SATA SSDs, hard drives, fan hubs or RGB controllers. For very storage-heavy builds, check the exact cable layout before building.

Yes. be quiet! lists 2 PATA/Molex connectors. These may be useful for some older accessories, fan hubs, lighting controllers or legacy devices.

Yes. The Pure Power 13 M 550W includes 1 x 4+4-pin CPU power connector. This is suitable for many standard desktop motherboards that require an 8-pin EPS CPU power connection.

For most mainstream gaming and office motherboards, one 4+4-pin CPU power connector is enough. Some high-end motherboards have extra CPU power connectors for overclocking, and those builds may need a higher-wattage PSU with more CPU power cables.

No, do not reuse modular PSU cables unless be quiet! specifically confirms compatibility for your exact old and new PSU models. Modular cables are not universal, and using the wrong cable can damage components.

be quiet! lists modular cables with sleeved and flat cable design. This helps with cable routing and cleaner airflow inside the case.

The PSU measures 160 x 150 x 86mm without cables. Check your PC case PSU clearance before buying, especially in compact ATX, Micro-ATX or small form factor cases.

Yes. It is an ATX power supply and should fit most standard ATX, Micro-ATX and mid-tower cases that support normal ATX PSUs. Always check PSU length clearance and cable space in smaller cases.

Yes, if the case supports ATX PSUs and has enough length clearance. Because the unit is 160mm long, very compact cases may need careful cable planning, especially with modular connectors and drive cages.

Yes. be quiet! lists Modern Standby support for the Pure Power 13 M 550W. This helps with modern system sleep and standby behaviour when supported by the motherboard and operating system.

The Pure Power 13 M 550W includes important protections such as over temperature protection, over current protection, over power protection, short circuit protection, over voltage protection, under voltage protection and surge/inrush protection.

Yes, it is designed as a quality PSU with modern protection features and strong voltage regulation. As with any PSU, make sure the wattage is suitable for your full system and avoid overloading it with high-end components beyond its intended range.

LLC topology is a power conversion design used to improve efficiency and voltage regulation. In simple terms, it helps the PSU provide stable power while reducing wasted energy and heat.

DC/DC technology helps generate stable lower-voltage rails from the main 12V rail. This improves voltage stability and efficiency compared with older PSU designs, especially in modern PCs.

Coil whine can happen with many PC components, including PSUs and graphics cards, depending on the system combination and load. The Pure Power 13 M 550W is designed for quiet operation, but no PSU can be guaranteed completely free of coil whine in every build.

be quiet! lists a 10-year warranty for the Pure Power 13 M 550W. This long warranty is one reason buyers choose it for reliable gaming, office and home PC builds.

Check your graphics card recommended PSU wattage, CPU power draw, case PSU clearance, motherboard CPU power connector needs, number of SATA devices, whether you need 12V-2x6 or 8-pin PCIe connectors, and whether 550W gives enough upgrade headroom.

This PSU is not ideal for users building high-end RTX 4080/4090-class PCs, heavy overclocking systems, multi-GPU workstations, Threadripper builds, or systems that need more than one CPU power cable or more wattage headroom. It is best for efficient gaming, office, home, media and mid-range desktop PCs.

Buying the be quiet! Pure Power 13 M 550W Modular ATX 3.1 PSU from Memox is a practical choice if you want a quiet, efficient, modern 550W power supply with PCIe 5.1 compatibility, 12V-2x6 support, modular cables and 80 PLUS Gold efficiency. Memox offers power supplies, PC cases, motherboards, SSDs, memory, graphics cards and computer components for UK customers building or upgrading desktop PCs.