compact
Article number: BN638

SFX L POWER

500W

Compact and Silent Energy

be quiet! SFX L Power 500W is especially recommended for mini ITX PCs and compact gaming systems. For compact PC systems that perform beyond the ordinary, with an ideal combination of features, power, efficiency and reliability, choose SFX L Power 500W.

  • 80 PLUS® Gold certification (up to 92% efficiency)
  • 4 PCIe connectors for powerful GPUs
  • Stable LLC, Synchronous Rectifier (SR) and DC-to-DC power conversion
  • Modular cables for maximum build flexibility
  • Temperature-controlled 120mm high-quality fan
  • SFX-to-ATX adapter bracket for usage with larger case sizes
  • 3-year manufacturer’s warranty

POWERFUL, RELIABLE AND STABLE

A strong partner for Mini ITX and compact gaming PCs

The SFX L Power supplies CPUs and GPUs with steady and dependable power thanks to a stable 12V-rail, high quality Japanese capacitors and innovative technologies such as LLC, Synchronous Rectifier and DC-to-DC conversion. 4 PCIe connectors to support multi-GPU setups.

QUIET OPERATION FOR COMPACT SYSTEMS

Optimized for low-noise operation

This PSU is perfect for compact gaming PC or HTPC users who are looking for an SFX PSU that is fitted with a 120mm fan. This model includes a temperature-controlled fan. The SFX L Power was built to be very silent thanks to the fan technology used and it produces little wasted heat.

80 PLUS® GOLD CERTIFICATION

Very high operating efficiency

SFX L Power 500W is certified 80 PLUS Gold with an efficiency rating of up to 92% – a truly outstanding level for this class of PSU. The most compelling benefit: lower power consumption and consequently lower costs with cooler and quieter operation.

MODULAR AND FLAT CABLES

Highly compatible and convenient

Entirely modular cables are enhanced by premium black flat cables. This simplifies the installation and keeps the system tidy.

SUPER VERSATILE INSTALLATION

Adapts to your individual requirements

This power supply is particularly versatile in deployment thanks to the SFX-to-ATX adapter bracket provided. Not only does it fit into cases with an SFX form factor, but can also be installed in a few simple steps into larger ATX cases.

All models at a glance:

Product Series

General data

ModelSFX L Power 500W
Continuous power (W)500
Peak power (W)550
Form factorPSU DG 1.31 / SFX12V Version 3.3
Form factor EPS 12V-
TopologyActive PFC + LLC + DC/DC
Digitally controlled-
Voltage (Vac)100 - 240
Frequency (Hz)50 - 60
Input current (A)10
Power factor at 100% load0.99
Modern standby-
Power consumption in standby (W)0.14
Average life time (h / 25°C)100,000
Operating temperature up to (°C)40

Infographics

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Efficiency

80 PLUS certificationGold
Efficiency (%) at 230V, 2% load-
Efficiency (%) at 230V, 10% load-
Efficiency (%) at 230V, 20% load90.1
Efficiency (%) at 230V, 50% load92.2
Efficiency (%) at 230V, 100% load90.8

Fan and cooling technology

FanHigh quality fan
Fan size (mm)120
Bearing technologySleeve
Motor technology4-pole fan motor
Max. fan speed (rpm)1350
dB(A) at 10% load-
dB(A) at 20% load9.9
dB(A) at 50% load14
dB(A) at 100% load28.5

Output

Multi-rail operation (12V rails)-
12V single rail operation
Overclocking key-
+3.3V (A)20
+5V (A)20
+12V1 (A)41.7
+12V2 (A)-
+12V3 (A)-
+12V4 (A)-
+12V5 (A)-
+12V6 (A)-
-12V (A)0.3
+5Vsb (A)3
Max. combined power 12V (W)500
Max. combined power 3.3V + 5V (W)105
Hold-up time at 100% load (ms)16
Power good signal (ms)100 - 500

Cables and connectors

Modular cables-
Sleeved cables-
Flat cablesP4+4 / PCIe / drives
Maximum cable length (cm)80
Cable length to motherboard (cm)30
No. of cables7
ATX-Motherboard (20+4-pin)1
P4+4 (CPU)1
P8 (CPU)-
P4 (CPU)-
12VHPWR cable / W-
PCI-e 6+2-pin (GPU)4
PCI-e 6-pin (GPU)-
SATA6
PATA3
FDD (Floppy)-

Protection

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

Safety certification

BSMI-
CB
CCC-
CE
cRUus-
cTUVus
CU-
FCC
RCM
TÜV
UKCA-

Environmental directives

Energy Star6.0
ErP
WEEE
RoHs
Triman-

Scope of delivery

Thumb screws-
Screws
Cable ties
Velcro cable ties-
User manual languagesDE, EN, ES, FR, PL, RU
OCK slot bracket with switch / OCK jumper-
SFX-to-ATX adapter bracket

Casing

Dimensions without cable (L x W x D), (mm)130 x 125 x 64
Weight (kg)1.14
ColorBlack

Service

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

Logistics data and RRP

Article numberBN638
EAN code4260052187142
Dimensions, package (L x W x H), (mm)220 x 205 x 80
Gross weight, package (kg)2.02
Pieces per packaging unit10
Dimensions, shipping box (L x W x H), (mm)430 x 430 x 240
Gross weight, shipping box (kg)21.4
RRP (€)109.00

Upgrade Check

You are already using a be quiet! power supply and want to upgrade your system with a new SFX L POWER | 500W ? Check here which cables are compatible and don't need to be replaced.

Previous power supply

SFX L POWER | 500W
Article number: BN638

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