
300W Gold • 300W Bronze
HIGHLIGHTSIDEAL FOR
GERMANY’S
#1 
IN POWER SUPPLIES
SINCE 2006* 
Mini and media PC systems 
Systems with low installation depth
Classic office and web applications
Compact and Silent Energy 
TFX Power 2, be quiet!’s advanced high-efficiency compact PSU, gives you more for your mini or media PC. It supports the 
latest standards while providing solid voltages and enough power to support a discrete PCIe graphics card. 
Highlights » 
®
▪ Certified 80PLUS 
▪ Strong dual 12V-rails for high stability and PCIe graphics support 
▪ High-quality temperature-controlled 80mm fan reduces system noise 
▪ Sleeved cables up to 65cm long, with 6-pin PCIe connector  
▪ Meets Intel C6/C7, ErP 2014 and Energy Star 5.2 requirements; standby draw less than 0.25 Watts 
▪ Full suite of essential safety features 
▪ 2-year warranty 
▪ Product conception, design and quality control in Germany 
TFX Power 2 »
 Bronze and Gold efficiency (up to 87 / 91%)
Compact and space-saving design 
Strong dual 12V-rails 
80PLUS 
Sleeved cables for convenient usage 
PCI express connectivity
®
 Bronze / Gold efficiency (up to 87 / 91%) 
For powerful compact PC systems that perform beyond the ordinary, with the best possible combination of power, 
quietness, features, reliability and efficiency.
*According to the yearly PC Games Hardware‘s „Manufacturer of the year“ election (2006-2013) and market data from GfK (2007-2012)

Technical Data »
Continuous power (W) 300 (Bronze) 300 (Gold) 
Model BN228 BN229 
EAN Code 4260052183731 4260052183748 
Voltage / Frequency 100–240 
50–60 
TF X 12V 2.4 2.4 
Dimensions (L x W x H) 185 x 85 x 70 185 x 85 x 65 
High-quality fan (mm) 80 80 
Noise level (dB(A)) at 20 / 50 / 100% load  11.7 / 14.6 / 31.4 12.7 / 14.5 / 26.5  
Efficiency (%) at 230V up to 87 up to 91
IN GENERAL
12V-rails 2 2 
Active PFC 
OCP, OVP, UV P, SCP, OPP 
Certifications 80PLUS 
Energy Star 5.2 compatible 
ErP 2014 ready
a
a
®
 Bronze, CE,CB, TÜV 80PLUS® Gold, CE,CB, TÜV
a
a
Lifetime of fan at 25°C (h) 100,000  100,000 
No. of cables 5 5 
Maximum cable length (cm) 65 65 
Length of ATX-connection cable (cm) 35 35
CABLES
Sleeved cables
a
ATX-Mainboard (20+4-pin) 1 1 
PCI-Express (6+2-pin) 1 (via adapter) 1 (via adapter)
P8-/P4-connector - / 1 - / 1 
S-ATA (5-pin) 4 4
CONNECTORS
IDE (4-pin) 2 2 
FDD (Floppy) 1 1
100–240
50–60
a
a
a
a
a
Output Data »
TFX Power 
2 Bronze 
300W
AC Input 100–240Vac   50 –60Hz   4–2A 
DC Output 3.3V 5V 12V1 12V1 –12V 5VSB
 Max. 
Current
Max. C om-
bined Power
21A 15A
13A 13A
0.3A 2.0A
103W 3.6W 10W
300W
TFX Power 
2 Gold 
300W
AC Input 100–240Vac   50 –60Hz   4–2A 
DC Output 3.3V 5V 12V1 12V1 –12V 5VSB
 Max. 
Current
Max. C om-
bined Power
18A 18A
13A 13A
0.3A 3.0A
103W 3.6W 15W
300W
Version: 01/2014 
We do not take responsibility for typographical errors. Similar Image.
bequiet.com

Cable Management »
350mm 150mm
4-pin 
24-pin 
20-pin 
HDD
HDD
Dimensions »
200 mm
PCIe 1 (6-pin)
S-ATA
HDD
S-ATA S-ATA
12V P4-connector
Certifications »
S-ATA
FDD
HDD
65/70mm 185mm
Version: 01/2014 
We do not take responsibility for typographical errors. Similar Image.
85mm
Contact »
Service Hotline: +49 40 7367 686 44 (Mo-Fr. 9:00-17:30)
E-mail: service@bequiet.com
bequiet.com