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Gamemax GX Rampage GX-850 Pro BK

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Gamemax GX Rampage GX-850 Pro BK
2023GX (gaming)semi-passive cooling80+ Gold
850 W
80+ Gold
black
850 W
80+ Gold
white
Main
Power850 W
Form factorATX
Specs
PFCactive
Efficiency90 %
Cooling systemsemi-passive (fan off)
Fan size135 mm
Fan bearinghydrodynamic
Certification80+ Gold
ATX12V version3
Power connectors
MB/CPU power supply24+8+8(4+4) pin
SATA6
MOLEX3
PCI-E 8pin (6+2)4
PCI-E 16pin1
Cable systemmodular
Cable length
MB650 mm
CPU650 mm
SATA500 mm
MOLEX500 mm
PCI-E550 mm
Max. power
+3.3V20 А
+5V20 А
+12V170 А
-12V0.3 А
+5Vsb2.5 А
+12V840 W
+3.3V +5V100 W
-12V3.6 W
+5Vsb12.5 W
General
Over voltage protection (OVP)
Over power protection (OPP)
Short circuit protection (SCP)
ProtectionOTP, OCP, UVP
Manufacturer's warranty2 years
Dimensions (HxWxD)86x150x160 mm
Official Websitegamemaxpc.com
Added to E-CatalogMay 2023
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.
Catalog Gamemax 2025 - new arrivals, bestsellers, and the most relevant models Gamemax.
How to choose a power supply for a PCBasics of choosing a reliable and balanced power supply for your home, office and gaming computer

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GameMax GX-850 Pro Modular 80 Plus Gold ATX30 PCIe 50 Power Supply With 135cm FDB Fan Black GMX-GX850PROB

80 PLUS Gold Certification: Trusted with an 80 PLUS Gold certification, this powerful power supply has a high energy efficien... morecy conversation of over 90 percent. The Gold efficiency results in less heat, a quieter operation and increased reliability. Axial-Tech: A 135mm customised Fluid Dynamic Bearing Fan with Axial-Technology features FOB high-precision fan bearings for a quieter and longer life span and a spiral fan design guarantees greater airflow and calculated to keep noise levels down. Intelligent Temperature Control Technology: The 135mm Fluid Dynamic Bearing fan starts when the power consumption is higher than 20 percent and stops when it is lower for a more efficient cooling operation and lower energy costs. Japanese 105 Degree Celsius Capacitors: Delivering a top performance and the reliability to match with the use of high-quality Japanese 105 Degree Celsius capacitors. Other premium components help deliver continuous and stable power, providing the greatest durability and highest stability. PCIE 5.0 Ready: The GX-850 Pro includes a 12VHPWR 16-Pin connector offering a powerful and stable performance allowing the PSU to run next-generation GPUs, RTX 3090 TI/PCIE 5.0 GPUs. Max. Power output up to 600W.
Amazon.co.uk
Delivery: to United Kingdom
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£88.98
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GameMax GX-850W Pro 850W ATX 3.0 80 PLUS Gold PSU Power Supply GMX-GX850PROB

GameMax GX-850 Pro Modular 80 Plus Gold ATX3.0 PCIe 5.0 Power Supply Introducing a new series of GameMax power supply the... moreGX-850 Pro available in a black or white edition with 80 PLUS Gold certification brings unbeatable power and a superior performance to your Gaming PC. The GX-850 Pro partners high-end cooling together with premium components to provide an incredibly silent, top performing product perfect for primary gamers. This intelligent fully modular unit features an instinctive Axial-tech fan design to make cooling more productive and guarantees a flawless performance. On the inside only the best components are used, and a full suite of top tier circuit protections ensures that the power that is delivered to your system is safe and reliable in any environment are used. GameMax have created the ultimate gaming Power supply, the GX-850 Pro is the best choice for high-end gaming PCs and Esports environments. Features 80 PLUS Gold Certification:  - Trusted with an 80 PLUS Gold certification, this powerful power supply has a high energy efficiency conversation of over 90 percent. The Gold efficiency results in less heat, a quieter operation and increased reliability. White Edition:  - The white edition is perfect for gamers with an all-white set up who want a clean and pure aesthetic and is great in an ARGB environment to create a sleek looking Gaming PC. Axial-Tech:  - A 135mm customised Fluid Dynamic Bearing Fan with Axial-Technology features FOB high-precision fan bearings for a quieter and longer life span and a spiral fan design guarantees greater airflow and calculated to keep noise levels down. Intelligent Temperature Control Technology:  - The 135mm Fluid Dynamic Bearing fan starts when the power consumption is higher than 20 percent and stops when it is lower for a more efficient cooling operation and lower energy costs. Japanese 105 Degree Celsius Capacitors:  - Delivering a top performance and the reliability to match with the use of high-quality Japanese 105 Degree Celsius capacitors. Other premium components help deliver continuous and stable power, providing the greatest durability and highest stability. PCIE 5.0 Ready:  - The GX-850 Pro includes a 12VHPWR 16-Pin connector offering a powerful and stable performance allowing the PSU to run next-generation GPUs, RTX 3090 TI/PCIE 5.0 GPUs. Max. Power output up to 600W. Modular Cable Configuration:  - A Modular cable management design lets you use only the cables you need. Improved airflow and save space and create a cleaner-looking build with the low-profile flat black cables. Hardware Protection:  - A full line up top tier circuit protections keeps your build running strong and your hardware safe - OVP (Over Voltage Protection), OCP (Over Current Protection), OPP (Over Power Protection), SCP (Short Circuit Protection), UVP (Under Voltage Protection) & OTP (Over Temperature Protection). Warranty:  - The GameMax GX-850 Pro PSU comes with 2-year warranty.
Box.co.uk
Delivery: to United Kingdom
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£84.99
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GAMEMAX GX-850W Pro Modular 80 Plus Gold ATX3.0 PCIe 5.0 Black Power S GMX-GX850PROB

GAMEMAX GX-850W Pro Modular 80 Plus Gold ATX3.0 PCIe 5.0 Black Power Supply With 135mm FDB Fan
itsupplies.uk
Delivery: to United Kingdom
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£101.88
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GameMax GX-850W Pro 80 Plus Gold PSU Modular ATX 3.0 PCIe 5.0 850W Power Supply - BLACK GMX-GX850PROB

The GX-850 Pro partners high-end cooling together with premium components to provide an incredibly silent, top performing pro... moreduct perfect for primary gamers.
Awd-it.co.uk
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£109.14
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850W GameMax GX Pro Modular 80 Plus Gold PSU GMX-GX850PROB

Introducing a new series of GameMax power supply the GX-850 Pro available in a black or white edition with 80 PLUS Gold certi... morefication brings unbeatable power and a superior performance to your Gaming PC. The GX-850 Pro partners high-end cooling together with premium components to provide an incredibly silent, top performing product perfect for primary gamers. This intelligent fully modular unit features an instinctive Axial-tech fan design to make cooling more productive and guarantees a flawless performance. On the inside only the best components are used, and a full suite of top tier circuit protections ensures that the power that is delivered to your system is safe and reliable in any environment are used. GameMax have created the ultimate gaming Power supply, the GX-850 Pro is the best choice for high-end gaming PCs and Esports environments.
CCLonline.com
Delivery: to United Kingdom
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£84.99
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Series Gamemax GX (gaming)Compare using chart →
Gamemax GX Rampage GX-850 Pro BK
from £84.99 
850 W, 24+8+8(4+4) pin, 4 х 6+2 pin, 1 x 16 pin, SATA 6, Molex 3, ATX, modular, Efficiency 90 %, semi-passive СО, certificate 80+ Gold, warranty 2 years
Gamemax GX Xtreme Gold Modular GX-850 Modular
from £76.99 
850 W, 24+8+8(4+4) pin, 4 х 6+2 pin, SATA 6, Molex 3, ATX, modular, Efficiency 92 %, certificate 80+ Gold
Gamemax GX Rampage GX-850 Pro WH
from £79.99 
850 W, 24+8+8(4+4) pin, 4 х 6+2 pin, 1 x 16 pin, SATA 6, Molex 3, ATX, modular, Efficiency 90 %, semi-passive СО, certificate 80+ Gold, warranty 2 years
Gamemax GX Xtreme Gold Modular GX-750 Modular
from £61.49 
750 W, 24+8+8(4+4) pin, 4 х 6+2 pin, SATA 6, Molex 3, ATX, modular, Efficiency 92 %, certificate 80+ Gold
Gamemax RPG Rampage GMXRPG750MOD
from £57.65 
750 W, 24+8+8(4+4) pin, 4 х 6+2 pin, SATA 6, Molex 3, ATX, semi-modular, Efficiency 85 %, warranty 2 years
Gamemax RPG Rampage GMXRPG800
from £44.99 
800 W, 24+8+8(4+4) pin, 4 х 6+2 pin, SATA 6, Molex 2, ATX, Efficiency 85 %, warranty 2 years
Gamemax RPG Rampage GMXRPG700
from £39.98 
700 W, 24+8+8(4+4) pin, 4 х 6+2 pin, SATA 6, Molex 2, ATX, Efficiency 85 %, warranty 2 years
Gamemax RPG Rampage GMXRPG600
from £34.99 
600 W, 24+8+8(4+4) pin, 2 х 6+2 pin, SATA 6, Molex 2, ATX, Efficiency 85 %, warranty 2 years
Gamemax RPG Rampage GMXRPG500
from £29.99 
500 W, 24+8 (4+4) pin, 2 х 6+2 pin, SATA 6, Molex 2, ATX, Efficiency 85 %, warranty 2 years
Gamemax RPG Rampage GMXRPG850FMOD
from £54.98 
850 W, 24+8+8(4+4) pin, 4 х 6+2 pin, SATA 6, Molex 6, ATX, modular, Efficiency 85 %, warranty 2 years
Gamemax RPG Rampage GMXRPG750FMOD
from £44.99 
750 W, 24+8+8(4+4) pin, 4 х 6+2 pin, SATA 6, Molex 3, ATX, semi-modular, Efficiency 85 %, warranty 2 years

Gamemax GX Rampage configurations

Price for Gamemax GX Rampage
Gamemax GX Rampage GX-850 Pro BKfrom £84.995 offers
Gamemax GX Rampage GX-850 Pro WHfrom £79.996 offers
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Asus Prime Gold 750W Gold
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750 W, 24+8+8(4+4) pin, 3 х 6+2 pin, 1 x 16 pin, SATA 5, Molex 3, ATX, modular, Efficiency 92 %, certificate 80+ Gold, warranty 8 years
FSP VITA GM VITA-750GM
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Gigabyte Aorus GM GP-AP850GM
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850 W, 24+8+8(4+4) pin, 4 х 6+2 pin, 1 x 16 pin, SATA 6, Molex 4, ATX, modular, Efficiency 90 %, semi-passive СО, certificate 80+ Gold, warranty 5 years
Gamemax RGB Smart PRO 1050 PRO
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1050 W, 24+8+8(4+4) pin, 4 х 6+2 pin, 1 x 16 pin, SATA 10, Molex 3, ATX, modular, Efficiency 90 %, backlight, certificate 80+ Gold
Gamemax GX Rampage GX-850 Pro WH
from £79.99 
850 W, 24+8+8(4+4) pin, 4 х 6+2 pin, 1 x 16 pin, SATA 6, Molex 3, ATX, modular, Efficiency 90 %, semi-passive СО, certificate 80+ Gold, warranty 2 years
Deepcool PN-M PN750M
from £89.48 
750 W, 24+8+8(4+4) pin, 3 х 6+2 pin, 1 x 16 pin, SATA 8, Molex 2, ATX, modular, Efficiency 90 %, certificate 80+ Gold, warranty 10 years
Corsair RMe CP-9020249-EU
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850 W, 24+8+8(4+4) pin, 3 х 6+2 pin, SATA 7, Molex 4, ATX, modular, Efficiency 90 %, semi-passive СО, warranty 7 years
MSI MAG GL PCIE5 A750GL
from £89.98 
750 W, 24+8+8(4+4) pin, 3 х 6+2 pin, 1 x 16 pin, SATA 8, Molex 4, ATX, modular, Efficiency 90 %, certificate 80+ Gold, warranty 10 years
Gigabyte Ultra Durable GM UD850GM
from £84.70 
850 W, 24+8+8(4+4) pin, 4 х 6+2 pin, SATA 8, Molex 3, ATX, modular, Efficiency 90 %, certificate 80+ Gold, warranty 5 years
be quiet! Pure Power 12 M BN343
from £99.94 
750 W, 24+8+8(4+4) pin, 2 х 6+2 pin, 1 x 16 pin, SATA 5, Molex 2, ATX, modular, Efficiency 93 %, certificate 80+ Gold, warranty 10 years
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