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ASRock Pro-B PRO-850B

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 £60.99  £64.99
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ASRock Pro-B PRO-850B
Main
Power850 W
Form factorATX
Specs
PFCactive
Cooling systemactive
Fan size120 mm
Certification80+ Bronze
ATX12V version3.1
Power connectors
MB/CPU power supply24+8 (4+4) pin
SATA4
MOLEX2
PCIe 8pin (6+2)2
PCIe 16pin1 pcs / 450W /
Cable systemnon-modular
Cable length
MB600 mm
CPU650 mm
SATA450 mm / 570/690 /
MOLEX570 mm / 690 /
PCIe600 mm
Max. power
+12V170.8 А
General
Over voltage protection (OVP)
Over power protection (OPP)
Short circuit protection (SCP)
ProtectionOCP, UVP, OTP
Manufacturer's warranty3 years
Dimensions (HxWxD)86x150x140 mm
Official Websiteasrock.com
Added to E-CatalogJanuary 2026
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.

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Asrock 90-UXR085-BNEAA2

EU PLUG.ASRock Pro Series Pro-850B 850W ATX 80+ Bronze Power Supply Power your PC build with the confidence and stability of the ASRock Pro Series Pro-850B 850W Power Supply.Engineered for performance-oriented systems and demanding applications, this PSU provides a robust and reliable foundation for your gaming rig or content creation workstation.E... morexperience the peace of mind that comes from consistent, clean power delivery, ensuring your high-end components, such as the CPU and graphics card, operate at their peak potential without compromise.The Pro-850B is the smart choice for builders who prioritize durability and operational excellence.Achieve remarkable energy efficiency with the 80 PLUS Bronze certification, which guarantees up to 88% efficiency under typical loads.This superior efficiency translates directly into tangible benefits:reduced energy consumption, lower electricity bills, and significantly less waste heat.A cooler-running system enhances the lifespan of all your internal components and contributes to a more stable computing environment.The integrated 120mm silent fan is optimized for quiet operation, providing effective cooling without adding distracting noise, allowing you to stay immersed in your games or focused on your work.This power supply is built with a comprehensive suite of industrial-grade protections, safeguarding your valuable hardware from potential electrical issues.With safeguards including Over Voltage Protection (OVP), Under Voltage Protection (UVP), Over Current Protection (OCP), Short Circuit Protection (SCP), and Over Power Protection (OPP), your system is shielded against a wide range of power irregularities.The non-modular design ensures a straightforward installation process with all necessary cables ready to connect, making it a practical choice for both first-time and experienced PC builders.As a standard ATX power supply, it offers broad compatibility with the majority of modern PC cases.Technical Specifications * Model:Pro-850B * Wattage:850 W * Cabling:Non-modular * 80 PLUS Certification:80 PLUS Bronze * Fan Type:120mm Silent Fan * Input Voltage:100-240V * Protections:OVP / UVP / OCP / SCP / OPP * Compliance:ATX12V 2.52 * Dimensions (W x H x D):150x86 x 140 mm
Tradeinn.com
Delivery: in United Kingdom
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£60.99

ASRock Asrock PRO-850B 80 Plus Bronze ATX 3.1 PCIE 5.1 Power Supply 90-UXR085-BNGAA2

Native PCIe 12V-2x6 Cable Dual Color DesignWith ASRock Classic Green connectors, users can easily see if the connector has been plugged properly.80 PLUS CERTIFIEDThe PRO series is created for value-focused users, offering 80 PLUS Bronze models in 850W, 750W, and 650W options.Safety First with ASRockFull suite of protections to keep all components s... moreafe during normal to extreme power levels.ASRock offers an outstanding 3 –Year warranty, guaranteeing long term reliable and peace of mind operation.
Overclockers.co.uk
Delivery: to United Kingdom
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£64.99

Asrock PRO-850B power supply unit 850 W 24-pin ATX ATX Black

Asrock PRO-850B power supply unit 850 W 24-pin ATX ATX Black Native PCIe 12V-2x6 CableDual Color DesignWith ASRock Classic Green connectors. users can easily see if the connector has been plugged properly.80 PLUS CERTIFIEDThe PRO series is created for value-focused users. offering 80 PLUS Bronze models in 850W. 750W. and 650W options.Safety First w... moreith ASRockFull suite of protections to keep all components safe during normal to extreme power levels.ASRock offers an outstanding 3 –Year warranty. guaranteeing long term reliable and peace of mind operation.
Pcnova.co.uk
Delivery: in United Kingdom
Report
£70.74

Asrock PRO-850B power supply unit 850 W 24-pin ATX ATX Black 90UXR085BNEAA2

Native PCIe 12V-2x6 Cable Dual Color Design With ASRock Classic Green connectors users can easily see if the connector has been plugged properly. 80 PLUS CERTIFIED The PRO series is created for value-focused users offering 80 PLUS Bronze models in 850W 750W and 650W options. Safety First with ASRock Full suite of protections to keep all c... moreomponents safe during normal to extreme power levels. ASRock offers an outstanding 3 Year warranty guaranteeing long term reliable and peace of mind operation.
Quzo.co.uk
Delivery: to United Kingdom
Report
£71.77

ASRock Pro-B configurations

Price for ASRock Pro-B
ASRock Pro-B PRO-650Bfrom £42.994 offers
ASRock Pro-B PRO-750Bfrom £51.994 offers
ASRock Pro-B PRO-850Bfrom £60.994 offers