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22.30 GBP
Corsair RM850 (2021), RM Series, 850 Watt 80 Plus Gold Fully Modular ATX Power Supply (Triple EPS12V Connectors, Low-Noise Operation, Zero RPM Fan Mode, 105°C Capacitors, Modern Standby) Black
Fully Modular Cables: Only connect the cables your system needs, making clean and tidy builds easier - Triple EPS12V Connectors: For full compatibility with modern graphics cards and motherboards - Tuned for Low-Noise Operation: A 140mm rifle bearing fan
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Category
This product is cataloged in our store in these categories
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- Power supplies for computers |
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International
Find this product in one of our international stores
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This product has not been found in other countries
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| Colors
Predominant colors of the product |
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| Identifiers | |
| Brand |  Corsair is a brand that specializes in making high-end gaming peripherals and components. Some of their most popular products include gaming keyboards, mice, headsets, and power supplies. Corsair has a strong reputation for quality and innovation, and their products are often used by professional gamers and enthusiasts. |
| MPN | Corsair CP-9020235-UK |
| ID | 27543030 |
| Dimensions / Weight | |
| Key Features | |
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80 PLUS certification 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.
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80 PLUS Gold |
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AC input frequency 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.
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47 - 63 Hz |
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AC input voltage 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.
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100 - 240 V |
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ATX Power connector 24-pin 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.
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Yes |
| ATX version | 2.4 |
| Bearing technology | Rifle |
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Colour 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.
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Black |
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Combined power (+12V) 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.
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850 W |
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Combined power (+3.3V) 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.
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150 W |
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Combined power (+5Vsb) 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.
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15 W |
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Combined power (-12V) 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.
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3.6 W |
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Input current 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.
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10A-5A |
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Max output current (+12V) 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.
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70.8 A |
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Max output current (+3.3V) 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.
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20 A |
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Max output current (+5Vsb) 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.
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3 A |
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Max output current (-12V) 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.
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0.3 A |
| Mean time between failures | 1000 h |
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Motherboard power cable length The linear distance that the motherboard power cable covers, expressed with a standard unit of length such as meters, centimeters or inches. It represents the total usable length available to connect the motherboard to its power supply and other components.
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61 cm |
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Number of sata power connectors 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.
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14 |
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Pci express power cable length The linear distance that a PCI Express power cable covers, expressed with a length unit such as meters, centimeters or inches. It represents the total usable length of the cable for connecting a power supply to a motherboard or other PCI Express device.
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75 cm |
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PCI Express power connectors (6+2 pin) 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.
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4 |
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Power supply unit (PSU) form factor 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.
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ATX |
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Purpose 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.
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PC |
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SATA power cable length The linear distance that a SATA power cable can cover, expressed in a standard unit of length such as millimetres (mm), centimetres (cm) or inches. It represents the total usable length of the cable for connecting a SATA power connector to a device.
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750,850 mm |
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