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Overview

The be quiet! Pure Power 12 M 850W is an ATX 3.1 modular power supply with 80 Plus® Gold efficiency, designed for high-performance systems. It supports PCIe 5.0 GPUs and features 6+2 pin connectors, including a 12VHPWR cable for next-gen graphics cards. The power supply is equipped with a silent 120mm be quiet! fan for minimal noise, providing stable, efficient power for demanding gaming and workstation builds.

be quiet! Pure Power 12 M 850W ATX 3.1, 80 Plus® Gold Modular Power Supply for PCIe 5.0 GPUs and GPUs with 6+2 pin connectors | 12VHPWR Cable Included

Model: BN505
Web Code: 18922972
Sold and shipped by | 3.5 seller rating (632 reviews)

Sale ends: *

Available for deliveryAvailable online only

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Seller Return Policy

Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

ATX 3.1 PSU with full support for PCIe 5.0 GPUs and GPUs with 6+2 pin connectors

80 PLUS Gold efficiency (up to 93.2%)

ATX 3.1 PSU with full support for PCIe 5.1 GPUs and GPUs with 6+2 pin connectors

Exceptionally silent 120mm be quiet! fan

Advanced stability and voltage regulation thanks to LLC technology

2 strong 12V-rails

Modular cables for maximum build flexibility

Product Condition
Brand New
Power
850 W
80 PLUS Certification
80 PLUS Gold

Configuration

Power Supply Form Factor
ATX
Modular Cables
Yes
Modular or Non-Modular
Semi-Modular
Fan Size
120 mm

Electric

+3.3 V Rail
22 A
+12 V Rail
2 x 40/36 A
+5 V Standby
3 A

Connectors

Motherboard Connector
32-Pin
6-Pin PCI-E Connector
4
8-Pin PCI-E Connector
4
SATA Power Connector
6

Physical Features

OVP (Over Voltage Protection)
Yes
Overload Protection
Yes
Width
16 cm
Height
8.6 cm
Depth
15 cm
Weight
1.85 kg

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

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Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • No restrictions in Canada
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
Product Category
Computer components
Return/Exchange Period
30 days
Condition
Unopened

We can only acceept returns that are in their original packaging and do recommend customers check manufacturer's warranties for exclusions.

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