Be quiet! Straight Power 11 Gold - 550W - Full Modular, 80+ Gold ATX Power Supply

98.21 GBP 4% Off 101.99 GBP

A silent 550 W ATX power supply with 80 Plus Gold efficiency, a single 135 mm fan, active PFC and quad‑rail +12V delivery; fully modular cables provide dual PCI‑e, nine SATA and a 20+4‑pin motherboard connector for clean builds.

Brand: Be Quiet
Model: BN281
MPN: T380694
SKU: T380694
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80 plus certificate 80 PLUS Gold
Additional features See Overview
Case colour Black
Connectors 1 x 4+4-pin CPU +12V (EPS) 1 x 4-pin FDD Power 3 x 4-pin Molex 2 x 6+2-pin PCIe 9 x SATA
Cooling Fan
Depth 160 mm
Dimensions 150 x 86 x 160 (WxHxD)
Edition Straight Power 11
EPS 12V Yes
Fans 1 x 135mm
Frequency Range 50 ~ 60 Hz
Height 86 mm
Internal +12V Rails Quad Rail
Maximum Combined Output +12V 45.8 A
Maximum Efficiency at 230Vac 93 %
Modular Yes
Modularity Full Modular
Motherboard Connector 20+4-pin
Motherboard Power Connectors 4 + 4-Pin
Noise dB(A) at 20% load 11.15dB(A) at 50% load 11.8dB(A) at 100% load 32.1
Package type Retail
PCI-E Pin Type 6+2-Pin
Power 550 W
PSU Form Factor ATX
Rail 1 +12V 18 A
Refresh rate 60Hz 2Ms Response Time
Safety OCP / OVP / UVP / SCP / OTP / OPP
SATA Connectors 9
SLI/CrossFire Yes
Voltage 100 ~ 240 VAC
Warranty 5 Years
Weight 1.51 kg
Width 150 mm