Cooler Master MWE 550 Bronze 80 PLUS Bronze Certified PSU

The official efficiency certification level awarded to a power supply or other electrical device that meets the international 80 Plus standard, indicating superior energy efficiency compared to non‑certified products. Typical values include Bronze, Silver, Gold, Platinum and Titanium.

The frequency of the alternating current supplied to a power supply or charger, expressed in hertz (Hz). It indicates the acceptable operating range for the electrical mains that powers the device, ensuring proper functionality and safety.

The range of alternating current voltage that the product accepts from its power source, expressed in volts (V). It indicates the minimum and maximum supply voltages compatible with the device across different regions.

Indicates whether the product includes a standard ATX power connector with 24 pins, which is used to supply main power to motherboards and other components in desktop computers.

The configuration of the power supply’s internal cabling, indicating whether the cables are fully modular, semi‑modular, or non‑modular. This attribute helps users understand how many cables can be detached for easier cable management and system customization.

The colour or combination of colours that a product is available in, expressed as common names such as "Black", "Silver" or comma‑separated lists like "Black, White". It indicates the visual appearance of the item for consumers.

The total electrical power available from the +12 V rail of a device, expressed in watts (W). This value indicates how much current can be supplied to components that rely on the +12 V supply and is useful for assessing overall system capacity or compatibility with high‑power peripherals.

The total electrical power that a device consumes or delivers, expressed in watts (W). It represents the overall energy usage of the product during operation and is useful for comparing efficiency, sizing power supplies, and estimating operating costs.

The total electrical power supplied to the +5 V standby rail of a device, expressed in watts (W). It indicates how much energy is available for low‑power components that remain active when the main system is powered down or in standby mode.

The electrical power supplied to the device’s combined –12 V rail, expressed in watts (W). It indicates how much energy is available on that specific voltage line for components such as fans or auxiliary circuits.

The type of cooling mechanism used by a product, such as active fan‑based cooling, passive heat sinks, liquid cooling, or no active cooling. It indicates whether the device relies on airflow, conduction, or other methods to dissipate heat and helps users assess thermal performance and noise levels.

The method or mechanism used to dissipate heat from a component such as a processor, graphics card, or other electronic part. It indicates whether the device relies on active cooling (fans or liquid pumps), passive heat sinks, or hybrid solutions, and helps users assess thermal performance and noise levels.

The pixel dimensions of a display or image, expressed as width by height (e.g., 1920x1080). It indicates how many pixels are used to render the visual content and is commonly used for monitors, TVs, smartphones, cameras, and digital images.

A brief statement indicating the edition or version of a product, such as "Reprint", "New Edition", or a numeric edition number like "2nd edition". It identifies which specific release of the item is being referenced.

Indicates whether the product includes an EPS 12V power connector, which is commonly used to supply additional voltage to high‑performance computer components such as CPUs and GPUs.

The physical dimensions of a fan unit, expressed as the number of fans and their individual diameter in millimetres (e.g., "2 x 120mm"). This attribute helps users understand the cooling capacity and compatibility with cases or other components.

The duration that a device or component maintains a state after an input or event, expressed in milliseconds (ms). It indicates how long the system holds a signal or condition before resetting or changing, which is useful for timing-sensitive applications such as power supplies, control circuits, and electronic devices.

The electrical current drawn by a device when powered, expressed in amperes (A). It indicates how much current the product consumes from its power source during normal operation and can be used to assess compatibility with power supplies or USB ports.

The count and configuration of the +12 V power rails supplied by a computer power supply unit. Common values include "Single Rail", "Dual Rail", "Quad Rail" or combinations such as "Single/Multi Rail". This attribute helps users understand how many independent +12 V outputs are available for powering components, which can affect load distribution and reliability.

The maximum electrical current that a device can supply on its +12 V rail, expressed in amperes (A). It indicates the peak output capability of the power source for components that require 12‑volt power and is useful for matching devices with compatible power supplies or accessories.

The highest electrical current that a device can supply from its +3.3 V rail, expressed in amperes (A). This value indicates the maximum load capacity of the power supply or regulator for components powered at 3.3 V and helps users verify compatibility with devices requiring this voltage level.

The highest electrical current that a device can supply to its +5 Vsb power rail under normal operating conditions. This value indicates the maximum load the +5 Vsb output can handle and helps users verify compatibility with components such as fans, LEDs, or other peripherals that draw power from this rail.

The highest electrical current that a device can deliver from its –12 V rail under normal operating conditions, expressed in amperes (A). This value indicates the maximum output capability of the –12 V supply and helps users verify compatibility with power supplies or other components that require this voltage level.

The highest percentage of input electrical power that a device can convert into usable output power when operating on 230 V alternating current. It indicates the peak energy conversion performance and helps consumers compare how efficiently different models use electricity.

Indicates whether a product supports modular components or systems, such as modular power supplies, network switches, or other hardware that can be expanded or replaced with compatible modules.

Indicates the type of modularity a product offers, such as full modular, hybrid modular, or fully wired. The value describes how components can be added, removed, or replaced independently within the system.

The total number of electrical contacts in the ATX main power connector that supplies a computer system with power. Common values are 20+4‑pin (24 pins) and 24‑pin, indicating the standard ATX power interface used by motherboards and power supplies.

The total count of individual cooling fans that are part of the product or its components. This value indicates how many separate fan units are installed, such as in a graphics card, CPU cooler, case, or other hardware assemblies.

The total count of SATA power connectors available on a power supply or motherboard. It indicates how many physical SATA power ports can be used to connect storage devices such as hard drives, SSDs, or optical drives. The value is an integer and helps users determine the expansion capacity for SATA-based storage.

The form of packaging used for a product, such as box, blister pack, bag, or pallet. It indicates how the item is contained and protected during shipping and storage.

The total count of power connectors that use the PCI Express (6+2 pin) configuration on a device, such as a computer or power supply unit. This value indicates how many separate power connections are available for components that require PCIe power delivery.

A comma‑separated list of the electrical protection mechanisms built into a device, such as overcurrent, overload, short circuit, under voltage, and overheating safeguards. The attribute indicates which protective features are present to protect the equipment and connected components from abnormal power conditions.

The physical configuration or design of a power supply unit, such as ATX, TFX, SFX, or 1U. It indicates the dimensions and mounting options that determine compatibility with computer cases and other hardware.

The primary purpose of a product, indicating its main intended use or target market segment (e.g., "Gaming", "Office", "Travel"). It helps customers quickly identify whether the item matches their needs and can be used for filtering or categorization across different product categories.

Indicates whether the product supports NVIDIA SLI or AMD CrossFire technology, allowing multiple graphics cards to work together for increased performance.