be quiet! logo MPN: BN190 80 PLUS Gold

be quiet! Straight Power E9 power supply unit 400 W 20+4 pin ATX ATX Black

Power Supplies
Released: Not on record
Price not yet available US · Amazon.com
from US · Amazon.com · We track this product’s Amazon US price daily — it appears here as soon as it’s listed.
3.8 / 5 (66 ratings)
View reviews breakdown
Wattage
400 W
Efficiency rating
80 PLUS Gold
Depth
160 mm
Width
150 mm
Height
86 mm
Weight
2240 g
Purpose
PC
Fan speed
800
Hold time
19
View 62 specifications
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Overview

The be quiet! Straight Power E9 power supply unit 400 W 20+4 pin ATX ATX Black features 400 W output, 80 PLUS 80 PLUS Gold efficiency, a 135 mm fan and Active cooling. Full verified specifications are listed below.

Compatibility

PSU wattage 400 W

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

Technical Specifications

62
62 Specifications Available Fully verified via Icecat and manufacturer specifications

Physical

5
Depth
160 mm
Width
150 mm
Height
86 mm
Weight
2240 g
Colour
Black

General

51
Purpose
PC
Fan speed
800
Hold time
19
Efficiency
92.9
Peak power
450
ATX version
2.31
Noise level
14.6
Cabling type
Non-Modular
Power factor
0.99
Certifications
CE, CB, TÜV, Semko (S)
Input current
3 - 6
AC input voltage
100 - 240
AC input frequency
50 - 60
Bearing type
FDB
Combined power (+5V)
120
Combined power (+12V)
384
Combined power (+3.3V)
120
Compliance certificates
RoHS
CPU P4 connector (4-pin)
1
Max output current (+5V)
17
Max output current (+12V)
32
Max output current (-12V)
0.3
Power protection features
Over current,Over power,Over voltage,Overheating,Short circuit,Under voltage
Max output current (+12V1)
18
Max output current (+12V2)
18
Max output current (+12V3)
18
Max output current (+3.3V)
24
Max output current (+5Vsb)
3
Package dimensions (WxDxH)
248 x 328 x 102
Motherboard power connector
20+4 pin ATX
Operating temperature
0 - 40
Eco certifications
ENERGY STAR
Floppy drive power connector
1
CPU power connector (4+4 pin)
Yes
Maximum input current (@110V)
+12V1,+12V2,+12V3,+3.3V,+5V,+5Vsb,-12V
Noise level (quiet mode, 50%)
13.8
Noise level (silent mode,
13.7
Number of SATA power connectors
5
MTBF
300000 h
Noise level (full-load mode, 100%)
14.6
Power Factor Correction (PFC) type
Active
Power supply unit (PSU) form factor
ATX
PCI Express power connectors (6-pin)
1
PCI Express power connectors (6+2 pin)
1
Peripheral (Molex) power connectors (4-pin)
4
buildcores_verified
1
buildcores_opendb_id
828fde9c-cc6b-43c2-9460-8a3b0187951b
buildcores_category
PSU
length_mm
160
wattage
400
form_factor
ATX

Power

2
Wattage
400 W
Efficiency rating
80 PLUS Gold

Cooling

3
Cooling type
Active
Fan size
135
Number of fans
1

Logistics & Packaging

1
Package weight
2650 g

Market Value History

Price history table
DatePrice
2015-11-04$134.83
2021-11-24$119.75
2021-12-14$118.86
2021-12-20$118.46
2021-12-29$120.18
2022-01-03$121.04
2022-01-12$121.97
2022-01-18$122.24
2022-01-26$120.70
2022-01-31$119.85
2022-02-11$121.03
2022-02-14$121.34
2022-02-23$121.79
2022-02-28$120.14
2022-03-08$118.62
2022-03-17$116.84
2022-03-21$118.28
2022-03-29$118.38
2022-04-05$118.33
2022-04-14$117.04
2022-04-18$117.23
2022-04-28$113.15
2022-05-03$113.35
2022-05-09$111.66
2022-05-16$110.28
2022-05-24$112.88
2022-05-31$114.21
2022-06-06$114.23
2022-06-13$111.58
2022-06-21$110.84
2022-06-27$110.99
2022-07-05$110.08
2022-07-12$108.79
2022-07-18$107.53
2022-07-26$109.10
2022-08-02$110.93
2022-08-08$110.70
2022-08-18$109.95
2022-08-23$108.05
2022-08-31$106.58
2022-09-07$105.33
2022-09-12$104.29
2022-09-22$104.68
2022-09-26$98.65
2022-10-03$101.09
2022-10-15$103.10
2022-10-18$101.78
2022-10-25$103.13
2022-11-01$106.80
2023-01-27$113.74
2023-02-17$110.72
2023-03-16$111.99
2023-03-23$112.86

Customer Reviews & Feedback

Verified Amazon Score
3.8 / 5.0

Based on 66 verified customer reviews on Amazon US.

5 star
58%
4 star
26%
3 star
8%
2 star
4%
1 star
4%

Review Verification

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

Product lifecycle

Status uncertain

Available catalog signals are incomplete, so current lifecycle status cannot be confirmed.

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