Official Raspberry Pi 5 27W USB-C Power Supply (EU Standard)

Official Raspberry Pi 5 27W USB-C Power Supply review and specifications

The Official Raspberry Pi 5 27W USB-C Power Supply is a Raspberry Pi 5-focused USB-C mains adapter with a 5.1V/5A operating profile, a 1.2m cable, and regional plug and colour options. It suits Pi 5 builds that need the documented 5V/5A mode, particularly those using USB storage or several USB peripherals.

This is a single-output power supply, not a multi-port charger, UPS, or detachable-cable solution. It powers compatible devices through its one USB-C output when they accept one of its listed profiles.

Specifications of Official Raspberry Pi 5 27W USB-C Power Supply (EU Standard)

• Input Voltage: 100-240VAC
• Output Voltage: 5A @ 5.1V
• Output Voltage: 3A @ 9V
• Output Voltage: 2.25A @ 12V
• Output Voltage: 1.8A @ 15V
• Connector Type: USB-C
• Cable Length: 1.2m (18 AWG)
• Available Colors: White, Black
• Plug Types: US, Canada (Type A)
• Plug Types: Europe (Type C)
• Plug Types: UK (Type G)

This page is named EU Standard, but the available specifications also list Type A, Type C, and Type G plug types. Confirm the selected plug variant before checkout; Type C is the listed Europe plug type. For a US/Canada Type A wall plug, choose the Official Raspberry Pi 5 27W US Power Supply.

Build a complete system with a Raspberry Pi 5 - 4GB RAM, Raspberry Pi 5 - 8GB RAM, or Raspberry Pi 5 - 16GB RAM board. See the Raspberry Pi power adapters category for more Raspberry Pi-specific options.

Raspberry Pi 5 5V/5A power and USB peripheral compatibility

The key Raspberry Pi 5 profile is 5.1V at 5A. A recognized 5V/5A supply enables the Pi 5 mode associated with a nominal 1.6A downstream USB-peripheral limit, rather than the nominal 600mA limit used with other compatible power supplies.

That additional USB-peripheral headroom matters with USB SSDs, hard drives, and builds using several USB accessories. Each storage device or peripheral must still meet its own power requirements, but the Raspberry Pi 5 Power Supply removes a common limitation at the board’s USB ports.

The 27W name is the maximum product rating. At the dedicated Pi profile, 5.1V × 5A equals 25.5W. A generic 30W or 45W USB-C charger is not automatically equivalent because its total wattage does not prove that it can negotiate 5V/5A or 5.1V/5A.

In one high-load independent test, a Pi 5 ran under CPU stress with a 1.6A USB load without the instability seen with a weaker adapter. That is a useful single-test observation, not a guarantee for every peripheral combination. For other Pi-focused options, see Raspberry Pi power adapters.

Official Raspberry Pi 5 27W power supply limitations and setup

This unit has one attached USB-C output cable. It does not directly charge several independent USB devices, and the cable is not normally replaced separately. The 1.2m length can be restrictive when the wall outlet is farther away or cable routing must be customised.

It is a mains adapter, not a battery, UPS, PoE, or GPIO-power solution. Adequate power does not cool a Pi 5: sustained CPU-heavy workloads can still need Official Raspberry Pi 5 Active Cooler hardware. Power delivery and cooling solve different problems.

For deployment or replacement purchases, check Raspberry Pi branding, packaging, the selected regional plug, and seller provenance. A traceable SC-series manufacturer part number can also help identify the regional product family when available, but the exact part number for this version is not confirmed. Raspberry Pi provides product-family documentation, compliance materials, and lifecycle information, with production announced through at least January 2035.

One documentation detail needs attention: this website specifies a 1.2m (18 AWG) cable, while current official documentation reportedly identifies a 17 AWG revision and some distributors also state 18 AWG. This is a revision or documentation verification issue, not a stated defect; buyers who require exact cable construction should verify the received variant or packaging.

There is no substantial exact-version long-term reliability, thermal, connector-durability, or failure-rate dataset. No documented common failure pattern is established, but there is not enough exact-version evidence to draw broad durability conclusions.

Official Raspberry Pi 5 27W Power Supply vs Raspberry Pi 4 5V/3A Adapter

The choice depends on the Raspberry Pi generation and USB-peripheral demand, not on one adapter being universally better. The Pi 5 supply is intended for Pi 5 users who need the 5V/5A operating mode; the Pi 4 adapter is specifically intended for standard Raspberry Pi 4 operation.

For standard Raspberry Pi 4 power, the Official Raspberry Pi 4 Power Adapter - 5V/3A is the more proportionate option. A Pi 5 build using USB SSDs, hard drives, or multiple USB peripherals has a clearer reason to use this 5.1V/5A supply.

Raspberry Pi 5 27W power supply accessories and first power-on

A usable Pi 5 system needs a compatible Raspberry Pi 5 board, a matching AC wall outlet, boot media, and an operating system. Select the required memory capacity with the Raspberry Pi 5 - 4GB RAM, Raspberry Pi 5 - 8GB RAM, or Raspberry Pi 5 - 16GB RAM.

Required

• A compatible Raspberry Pi 5 board matched to the project’s memory requirement.
• A matching AC wall outlet for the selected plug region.
• Boot media and an operating system for a usable Raspberry Pi computer.

Recommended

• Official Raspberry Pi 5 Active Cooler for sustained high Pi 5 workloads.
• Surge protection or UPS capability for unattended systems.
• A powered USB hub if USB-device demand exceeds the Pi’s available allowance.

Optional

• A Raspberry Pi 5 Official Case for physical protection.
• USB SSD or other storage, display, keyboard, mouse, Ethernet cable, micro-HDMI cable, PoE+ HAT, battery or UPS system, and USB-C power meter as required by the installation.

No driver, IDE, firmware flashing, or power-supply configuration is required for the adapter itself. First, confirm that the selected plug matches the wall outlet. Then place the Pi 5 in a case or on a non-conductive surface, and connect boot media and required peripherals.

1. Connect the attached USB-C plug to the Raspberry Pi 5 USB-C power input.
2. Connect the adapter to mains power.
3. Boot the intended operating system.
4. If using USB SSDs, hard drives, or several USB peripherals, check for low-voltage or USB-power warnings.

A 5V/3A supply can boot a Pi 5 while retaining the lower nominal USB-peripheral limit; that behaviour is not automatically a board fault. Common first-time mistakes include selecting the wrong plug region, expecting a detachable cable, treating a successful 5V/3A boot as proof of unrestricted USB power, and assuming a power adapter replaces cooling.

Official Raspberry Pi 5 27W USB-C Power Supply FAQ

Is this really 27W at 5V?

No. The Raspberry Pi operating profile is 5.1V at 5A, which equals 25.5W; the 27W maximum applies to the higher-voltage output profiles.

Will this remove the Raspberry Pi 5 USB-power limitation?

It enables the higher Pi 5 USB-peripheral mode when recognized as a 5V/5A supply. That mode has a nominal 1.6A downstream USB-peripheral limit, compared with a nominal 600mA limit for other compatible supplies.

Can I use any 30W or 45W USB-C charger instead?

No. A charger needs a negotiable 5V/5A or 5.1V/5A profile for equivalent Pi 5 peripheral-power behaviour; the wattage printed on the charger alone does not confirm this.

Does the Official Raspberry Pi 5 27W USB-C Power Supply include a cable?

Yes. A 1.2m (18 AWG) USB-C cable is attached to the adapter.

Can I replace the USB-C cable?

Not normally. The cable is attached, so choose a detachable-cable charger if independent cable replacement is essential.

Does this have multiple USB ports?

No. It is a single-output USB-C power supply and does not directly power several independent USB devices at once.

Will it work with Raspberry Pi 4?

It can provide USB-C 5.1V power, but it is primarily intended for Raspberry Pi 5. For standard Pi 4 operation, choose the Official Raspberry Pi 4 Power Adapter - 5V/3A.

Which plug will I receive?

The selected variant determines the plug. This page is named EU Standard and Type C is listed for Europe, but Type A and Type G options are also listed, so confirm the selected plug variant and part number before checkout. For a US/Canada Type A plug, choose the Official Raspberry Pi 5 27W US Power Supply.

Can this power a Raspberry Pi 5 with a USB SSD or hard drive?

Yes. It supports the Pi 5 5V/5A mode associated with higher downstream USB-peripheral headroom. The SSD or hard drive must still meet its own power requirements.

Does this supply prevent Raspberry Pi 5 overheating or provide battery backup?

No. It is a mains adapter, not a UPS or battery system, and sustained heavy workloads may still require active cooling.

Raspberry Pi 5 27W buying checklist

Ideal for

Raspberry Pi 5 owners who want an official USB-C supply with the documented 5.1V/5A profile, an attached 1.2m cable, and stronger support for USB SSDs, hard drives, and higher-demand USB peripherals.

Maybe for

Pi 5 systems with light peripheral loads, Raspberry Pi 4 users who want one supply for mixed equipment, and USB-PD devices that accept one of the listed 9V, 12V, or 15V profiles.

Avoid if

You need several direct USB charging ports, a detachable or longer cable, a compact travel-oriented charger, or UPS, battery, or PoE power. Type A plug users should choose the Official Raspberry Pi 5 27W US Power Supply; Pi 4-only systems are better matched to the Official Raspberry Pi 4 Power Adapter - 5V/3A.

Pre-purchase checklist

• ✓ My board is a Raspberry Pi 5, or I specifically understand why I need the 5.1V/5A supply.
• ✓ My build includes USB SSDs, hard drives, or several USB peripherals that benefit from the Pi 5 higher USB-peripheral allowance.
• ✓ The selected wall plug matches my local outlet; this EU Standard version requires confirmation of the selected Type C variant.
• ✓ A 1.2m attached USB-C cable reaches the intended installation location.
• ✓ I do not need to replace the USB-C cable separately.
• ✓ I do not need multiple direct USB charging ports.
• ✓ I have separate plans for cooling, UPS or battery backup, PoE, and surge protection if the installation requires them.
• ✓ I have selected a Raspberry Pi 5 board, boot media, and operating system for a complete system.
• ✓ I have confirmed the current price, exact part number, warranty, and return terms before checkout.

No price is supplied here, so confirm the current price, selected variant, warranty, and return terms before ordering. Choose the Raspberry Pi 5 board, official case, and active cooler according to the complete build.