be quiet!
be quiet! Pure Power 13 M 850W
A
Ranked #6 in Power Supplies
Backed by 3 cited sources
Covered by 3 outlets
An excellent price/performance pick that punches above its mainstream Gold rating - Cybenetics testing shows Platinum-level efficiency and a near-silent custom fan, making it a smart alternative for buyers who want Dark Power-grade quiet operation without the flagship price.
Check price →We may earn a commission if you buy through this link.
Key features
- ✓ 80 Plus Gold (near-Platinum measured efficiency)
- ✓ ATX 3.1 / PCIe 5.1 native cable
- ✓ Custom 120mm low-noise fan
- ✓ Fully modular
- ✓ Cybenetics LAMBDA A++ noise rating
The sources behind this ranking
3 cited sources cover be quiet! Pure Power 13 M 850W. Here's the stance each one takes.
A 3
H 
Hardware Busters Detailed review confirming strong efficiency and noise figures for the class. A Read → T 
Tom's Hardware Reviewing the 650W sibling, calls the line 'balanced performance and reliability'. A Read → C 
Club386 Named Best Quiet PSU - 'low noise levels' with 'great performance' at an 'affordable price'. A Read →
Top picks in Power Supplies
S be quiet! Dark Power 14 1000W
#1 S Seasonic Prime TX-1600 Noctua Edition
#2 A Corsair RM850e
#3 A Seasonic Focus GX-850
#4 A Corsair SF750
#5 A Asus ROG Strix Platinum 1000W White Edition
#7 B Super Flower Leadex V Platinum Pro 1000W
#8 B Corsair RM750e
#9 B MSI MAG A850GL PCIE5
#10 B NZXT C850 SFX Gold
#11