be quiet! BN228 power supply unit 300 W 20+4 pin ATX TFX Black

Overview

The be quiet! BN228 power supply unit 300 W 20+4 pin ATX TFX Black features 300 W output, 80 PLUS 80 PLUS Bronze efficiency, a 80 mm fan and Active cooling. Full verified specifications are listed below.

Compatibility

PSU wattage 300 W

Compatibility data is automatically generated. Always verify critical specs before purchase.

Technical Specifications

Showing 28 key specifications of 62

All values come from this product’s catalog record.

Wattage

300 W

Efficiency rating

80 PLUS Bronze

Depth

170 mm

Width

85 mm

Height

65 mm

Manual included

Yes

Weight

1080 g

Purpose

PC

Fan speed

1815

Hold time

16

Efficiency

89.7

Peak power

330

Noise level

31.4

Cabling type

Non-Modular

Cooling type

Active

Fan size

80

Power factor

0.9

Input current

4

Warranty card

Yes

Number of fans

1

Colour

Black

AC input voltage

100 - 240

AC input frequency

50 - 60

Combined power (+5V)

103

Combined power (+12V)

264

Combined power (-12V)

3.6

Combined power (+3.3V)

103

Combined power (+5Vsb)

12

Show all 62 specifications

Certifications

CE, CB, TÜV

Compliance certificates

RoHS

CPU P4 connector (4-pin)

1

Max output current (+5V)

18

Max output current (-12V)

0.3

Power protection features

Over current,Over power,Over voltage,Short circuit,Under voltage

Max output current (+12V1)

13

Max output current (+12V2)

13

Max output current (+3.3V)

18

Max output current (+5Vsb)

3

Floppy disk drive connector

Yes

Motherboard power connector

20+4 pin ATX

Operating temperature

0 - 35

Eco certifications

ENERGY STAR

Floppy drive power connector

1

Maximum input current (@110V)

+12V1,+12V2,+3.3V,+5V,+5Vsb,-12V

Noise level (quiet mode, 50%)

14.6

Noise level (silent mode,

11.7

Number of SATA power connectors

4

MTBF

100000 h

Noise level (full-load mode, 100%)

31.4

Power Factor Correction (PFC) type

Active

Power supply unit (PSU) form factor

TFX

Peripheral (Molex) power connectors (4-pin)

2

buildcores_verified

1

buildcores_opendb_id

6604bed9-3a69-4a85-abe0-8180e0238f0c

buildcores_category

PSU

length_mm

185

wattage

300

form_factor

TFX

Package depth

85 mm

Package width

190 mm

Package height

159 mm

Package weight

1400 g

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Market Value History

Latest Spot: $0.00

Keepa US

30D 90D 1Y All

Sparkline

30D Average

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90D Average

—

1Y Low / High

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Historical Delta

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Raw Price History Records173 data points

Date	Price
2023-05-23	$387.00
2023-05-17	$124.00
2022-05-19	$78.48
2022-05-09	$86.47
2022-05-05	$95.65
2022-04-30	$66.57
2021-12-01	$152.00
2021-10-30	$215.00
2021-06-25	$148.00
2021-06-15	$83.20
2021-06-12	$137.99
2021-05-18	$136.00
2021-05-15	$144.00
2021-04-26	$144.00
2021-04-24	$155.00
2021-02-09	$95.19
2021-02-06	$95.18
2021-01-22	$98.10
2021-01-05	$99.20
2020-12-09	$98.10
2020-11-16	$95.60
2020-11-10	$96.00
2020-11-02	$94.30
2020-10-27	$95.60
2020-10-20	$94.60
2020-10-13	$95.40
2020-10-08	$95.20
2020-05-26	$88.00
2020-05-14	$87.20
2020-05-07	$87.40
2020-04-30	$86.90
2020-04-24	$87.60
2020-04-13	$87.50
2020-03-30	$90.10
2020-03-28	$87.90
2020-03-20	$90.10
2020-01-27	$113.20
2020-01-21	$89.10
2020-01-15	$89.50
2020-01-06	$89.70
2019-12-30	$89.20
2019-12-28	$89.10
2019-12-20	$89.80
2019-12-01	$88.50
2019-10-19	$113.20
2019-10-07	$88.20
2019-09-30	$88.50
2019-09-21	$62.00
2019-09-15	$63.00
2019-08-05	$68.00
2019-06-07	$113.25
2019-05-12	$113.26
2019-04-18	$94.84
2019-03-12	$69.00
2019-03-05	$67.00
2019-03-02	$68.00
2018-12-25	$65.00
2018-12-10	$64.00
2018-11-30	$89.70
2018-11-19	$64.00
2018-11-13	$60.00
2018-10-31	$89.80
2018-10-09	$61.93
2018-10-03	$109.90
2018-09-26	$62.00
2018-09-20	$62.00
2018-09-13	$71.00
2018-09-03	$109.27
2018-08-28	$109.49
2018-08-20	$82.00
2018-08-16	$61.00
2018-08-08	$63.00
2018-07-30	$109.09
2018-07-24	$109.98
2018-07-18	$109.89
2018-07-11	$109.08
2018-07-02	$102.37
2018-06-28	$103.73
2018-06-19	$107.73
2018-06-04	$69.00
2018-05-21	$67.00
2018-05-14	$68.00
2018-05-09	$66.00
2018-05-04	$65.00
2018-04-29	$68.00
2018-04-13	$70.00
2018-04-02	$143.91
2018-03-21	$68.00
2018-03-14	$71.00
2018-03-05	$70.00
2018-02-22	$71.00
2018-02-14	$66.00
2018-02-06	$98.40
2018-01-29	$98.20
2018-01-26	$83.00
2018-01-18	$77.00
2018-01-09	$69.00
2018-01-01	$94.80
2017-12-25	$93.70
2017-12-21	$64.00
2017-12-04	$66.00
2017-11-27	$65.00
2017-11-19	$64.00
2017-11-02	$63.00
2017-10-27	$98.90
2017-10-17	$64.00
2017-10-10	$94.22
2017-10-05	$66.00
2017-09-26	$94.10
2017-09-20	$67.00
2017-09-15	$69.00
2017-08-30	$66.00
2017-08-24	$94.01
2017-08-17	$64.00
2017-08-08	$65.00
2017-07-21	$64.00
2017-07-12	$62.00
2017-07-04	$77.00
2017-06-29	$64.00
2017-06-12	$92.60
2017-06-10	$92.50
2017-05-29	$61.00
2017-05-24	$61.00
2017-05-15	$61.00
2017-05-10	$68.00
2017-05-02	$90.20
2017-04-29	$89.80
2017-04-20	$63.00
2017-04-10	$79.00
2017-03-28	$63.00
2017-03-26	$68.00
2017-03-17	$62.00
2017-01-18	$61.00
2016-10-19	$63.00
2016-09-26	$94.01
2016-09-23	$93.03
2016-09-14	$68.00
2016-09-10	$95.77
2016-08-23	$82.00
2016-08-12	$66.00
2016-08-02	$90.36
2016-07-27	$89.37
2016-07-23	$92.96
2016-07-14	$98.00
2016-06-24	$71.00
2016-06-06	$75.00
2016-05-21	$100.81
2016-05-05	$113.13
2016-04-30	$112.13
2016-04-19	$113.13
2016-03-08	$100.81
2016-03-03	$72.00
2016-02-26	$100.81
2016-02-20	$100.81
2016-01-25	$72.00
2015-12-23	$106.73
2015-11-28	$125.00
2015-11-22	$118.00
2015-11-01	$100.54
2015-10-21	$100.38
2015-10-13	$99.98
2015-09-21	$101.73
2015-09-17	$118.00
2015-09-06	$123.00
2015-08-25	$71.34
2015-08-19	$75.00
2015-08-12	$73.32
2015-07-27	$118.00
2015-06-23	$123.00
2015-06-19	$127.12
2015-06-03	$98.00
2015-05-13	$123.00
2015-03-30	$126.00

Customer Reviews & Feedback

Verified Amazon Score

4.6 / 5.0

Based on 71 verified customer reviews on Amazon US.

5 star

86%

4 star

9%

3 star

3%

2 star

1%

1 star

1%

Review Verification

Hardware Quest synchronizes these ratings daily with Amazon to reflect real buyer experiences, build quality, and long-term reliability.

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Sources

Icecat product datasheet Icecat