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LC-Power Integrator Pro LC6850B-SI 850W ATX 3.1 Power Supply 80 PLUS Bronze PCIe 5.1 135mm Fan Active PFC Black

Brand:
LC-Power
LC Power Integrator Pro Series LC6850BSI V3.1 LC6850BSI V3.1
LC-Power Integrator Pro LC6850B-SI 850W ATX 3.1 Power Supply 80 PLUS Bronze PCIe 5.1 135mm Fan Active PFC Black
€94.72 inc. VAT
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LC6850B-SI V3.1
€79.60 €88.45
€94.72 inc. VAT
Ships from EU stock: 2 item(s)
Product Code
03:276111
EAN Code
4262443280692
Manufacturer
LC-Power
Quick Specs
Wattage
850W
Efficiency
80 PLUS Bronze
Cabling
Non-Modular
Standard
ATX 3.1 / PCIe 5.1
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LC-Power Integrator Pro LC6850B-SI 850W 80 PLUS Bronze Power Supply

850W ATX 3.180 PLUS BronzePCIe 5.1135mm Fan

The LC-Power Integrator Pro LC6850B-SI V3.1 is an 850-watt 80 PLUS Bronze ATX power supply built to the ATX 3.1 standard and PCIe 5.1 ready, offering strong, stable power for mid-to-high-end gaming PCs on a budget. It uses a large, quiet 135 mm fan and DC-to-DC technology with a full set of safety circuits. Typically in stock with fast delivery across Cyprus.

Before you buy — compatibility
This is an ATX 3.1 unit and PCIe 5.1 ready with four PCIe connectors for modern graphics cards. It provides a 20+4 pin motherboard connector and uses black flat cables; it fits standard ATX cases. At 850W it comfortably powers a high-end single-GPU build.

Best For

✓Mid-to-high-end single-GPU gaming PCs
✓ATX 3.1 / PCIe 5.1 builds
✓Value-focused high-wattage builds
✓Quiet 135mm cooling
✓Standard ATX tower cases
✓Full safety-circuit protection

Key Features

 
850W ATX 3.1 & PCIe 5.1
A strong 850W output built to the ATX 3.1 standard and PCIe 5.1 ready, prepared for the power needs of modern high-end graphics cards.
 
80 PLUS Bronze Efficiency
Certified 80 PLUS Bronze with up to ~85% efficiency, reducing wasted energy and heat compared with uncertified units.
 
Quiet 135 mm Cooling
A large 135 mm fan moves more air at lower speeds, keeping the unit significantly quieter than average, backed by DC-to-DC regulation and six safety circuits.

Technical Specifications

Identification
Part Number LC6850B-SI V3.1
EAN / GTIN 4262443280692
Brand LC-Power
Series Integrator Pro
Power
Wattage 850 W
Efficiency 80 PLUS Bronze (up to ~85%)
PFC Active
Technology DC-to-DC
Standards & Cabling
Form Factor ATX
Standard ATX 3.1 / PCIe 5.1
Cabling Non-Modular (black flat cables)
PCIe 4 × connectors
Motherboard 20+4 pin ATX
Cooling & Build
Fan 135 mm
Protections Six safety circuits (OVP, OCP, OPP, SCP, SIP, UVP)
Colour Black

Frequently Asked Questions

How much power does it deliver?
It delivers 850W, making it well suited to high-end single-GPU gaming and workstation builds with headroom to spare.
Is it ATX 3.1 and PCIe 5.1 ready?
Yes. It is built to the ATX 3.1 standard and is PCIe 5.1 ready with four PCIe connectors for modern graphics cards.
Is it quiet?
Yes. The large 135 mm fan moves more air at lower RPM, making it noticeably quieter than smaller-fan units of similar power.
Singular Expert Insight
The Integrator Pro LC6850B-SI is a budget way to get 850W of ATX 3.1, PCIe 5.1-ready power with a quiet 135 mm fan — good value if you want headroom for a high-end GPU without paying for Gold efficiency or modular cabling. For higher efficiency or detachable cables, consider a Gold modular unit such as the be quiet! Pure Power 13 M or a higher-wattage Enermax.

Buyer’s Guide

Buy it if
You want an affordable 850W ATX 3.1, PCIe 5.1-ready PSU with quiet cooling for a high-end single-GPU build.
Skip it if
You want modular cabling or 80 PLUS Gold/Platinum efficiency for a premium build.
Also consider
A Gold modular 850W unit, or the LC6650G-SI Gold model if 650W is enough for your system.

Features - LC-Power - LC6850B-SI V3.1

Colour
black
More Details
Product Code
03:276111
EAN Code
4262443280692
Manufacturer
LC-Power
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