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Article number: BN287

SYSTEM POWER U9

500W

Proven Reliability and Good Efficiency

be quiet! System Power U9 500W offers renowned be quiet! reliability and quietness for price-conscious PC builders.

  • Rock-solid stability with two strong 12V-rails
  • DC-to-DC technology for tight voltage regulation
  • Two PCIe connectors for support of powerful GPUs
  • Temperature-controlled 120mm fan reduces system noise
  • Stand-by drain of less than 0.1 watts
  • 80PLUS® Bronze efficiency (up to 89%)
  • High-grade black cables
  • Complete suite of top safety features
  • Meets latest Intel® C6/C7, ErP and Energy Star 6.1 guidelines
  • 3-year manufacturer’s warranty
  • Product conception, design and quality control in Germany

VERY QUIET OPERATION

Attained by using a high-quality fan

System Power U9 500W is equipped with a temperature-controlled 120mm fan. It provides you with the low noise operation that be quiet! is famous for, built into an entry-level system.

80 PLUS BRONZE CERTIFICATION

High operating efficiency

The 80 PLUS Bronze certification is convincing evidence of this PSU’s efficient and power saving operation. It is a remarkable achievement for this class of PSU, realizing an efficiency rating of up to 89%.

HIGH PERFORMANCE FOR YOUR SYSTEM

Proven reliability for CPU and GPU

System Power U9 500W provides stable and dependable power for CPU and GPU. It is equipped with two independent 12V-rails and supports several graphics cards with two PCI express connectors for powerful GPUs.

INNOVATIVE DC-TO-DC CONVERSION

Equipped with a wealth of advanced technology

The PSU is equipped with DC-to-DC conversion for tight voltage regulation, even under heavy cross-loading conditions. This ensures reliable operation and makes it ready for the next generation of processors and graphics cards.

HIGH-GRADE BLACK CABLES

Attractive design for cost-effective systems

System Power U9 500W comes with a high-quality black sleeved 24-pin cable that adds a touch of class to any PC system. The P4+4, PCIe and drives cables are flat.

COMPREHENSIVE PROTECTION

A complete range of safety features

Top component protection with a full suite of safety functions, including OCP, OVP, OPP, OTP UVP and SCP, which provide the ultimate in secure operation.

All models at a glance:

Product Series

General data

ModelSystem Power U9 500W
Continuous power (W)500
Peak power (W)-
Form factorVersion 2.4
Form factor EPS 12VVersion 2.92
Modular Cable management-
TopologyDC/DC
Wire-free design (DC-side)-
Voltage (Vac)100 - 240
Frequency (Hz)50 - 60
Input current (A)8 / 4
PFCactive
Power factor at 100% load>0.95
Compliant to Intel C6/C7
Power consumption in standby (W)<0.1
Average life time (h / 25°C)100,000
Operating temperature up to (°C)40

Infographics

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Output

12V rails (multi-rail operation)2
12V single rail operation-
Overclocking key-
+3.3V (A)24
+5V (A)16
+12V1 (A)24
+12V2 (A)20
+12V3 (A)-
+12V4 (A)-
+12V5 (A)-
+12V6 (A)-
-12V (A)0.3
+5Vsb (A)3
Max. combined power 12V (W)480
Max. combined power 3.3V + 5V (W)110
Hold-up time at 100% load (ms)17 (@75%)
Power good signal100 - 500ms

Fan / Cooling technology

Fan typeHigh quality fan
+SilentWings-
Motor technology4-pole fan motor
Bearing technologySleeve
Fan size (mm)120
Max. fan speed (rpm), temperature-dependent2100
Temperature control for case fans-
dB(A) at 20% load13.3
dB(A) at 50% load13.9
dB(A) at 100% load23.2

Protection

OCP (over current protection)
OVP (over Voltage protection)
UVP (under Voltage protection)
SCP (short circuit protection)
OTP (over temperature protection)
OPP (over power protection)
SIP (Surge & Inrush Protection)

Safety certification

CE
CB
TÜV
FCC
cRUus-
cTUVus
RCM (Australia)
BSMI
CU (Russia)-
CCC

Eco / Efficiency

80 PLUS certificationBronze
Efficiency (%) at 230V, 20% load87
Efficiency (%) at 230V, 50% load89
Efficiency (%) at 230V, 100% load86

Environmental directives

Energy Star6.1
ErP
WEEE
RoHs

Cables / Connectors

Nvidia® SLI (RTX 3090) ready-
Cable managementFixed
Sleeved cablesSleeved cables
Flat cablesP4+4 / PCIe / drives
Cable length to mainboard (cm)55
Cable length to first connector (cm)35
Maximum cable length (cm)91
All-in-one cable (SATA/PATA/FDD)-
No. of cables6
ATX-Motherboard (20+4-pin)1
P8 (CPU)-
P4+4 (CPU)1
P4 (CPU)-
PCI-e 6-pin (GPU)-
PCI-e 6+2-pin (GPU)2
PATA2
SATA6
FDD (Floppy)-
External fan connectors-

Casing

Dimensions without cable (L x W x D), (mm)140 x 150 x 86
Weight (kg)1.9
ColorBlack

Accessories

Thumb screws-
Screws
Cable ties-
Velcro cable ties-
Box/Bag for PSU/Cables-
User manual languagesCN, DE, EN, FR, JP, TW
OCK slot bracket with switch / OCK jumper-
SFX-to-ATX adapter bracket-

Service

Warranty (Years)3
Express replacement service in first year-
International hotline / free of charge✓ / DE, FR

Logistics data, RRP

Article numberBN287
EAN code4260052186213
Dimensions, package (L x W x H), (mm)268 x 97 x 195
Gross weight, package (kg)2.22
Pieces per packaging unit6
Dimensions, shipping box (L x W x H), (mm)215 x 311 x 556
Gross weight, shipping box (kg)13.32
RRP (€)61.90

SYSTEM POWER U9 | 500W
Article number: BN287

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