be quiet! System Power 9 | 500W CM
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be quiet! System Power 9 | 500W CM

be quiet! System Power 9 | 500W CM, 500 W, 200 - 240 V, 50 Hz, 4 A, Active, 110 W

€71.71 Tax included €58.78 (tax excl.)
Tax included Shipping excluded DELIVERY WITHIN 4 WORKING DAYS (Saturdays and Sundays excluded) Orders placed after 1pm will be processed the next day.
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● Prodotto nuovo.
● Garanzia 48 mesi.
● Soddisfatto o rimborsato 30 giorni.

● Lavorazione entro 1/2 giorni lavorativi.
● Consegna entro 4 giorni lavorativi.
● Sabato e Domenica esclusi.
● Gli ordini effettuati dopo le 13.00 verranno elaborati il giorno seguente.
Proven Reliability and Good Efficiency

Specially designed by be quiet! with the price-conscious PC builder in mind: System Power 9 500W CM offers renowned be quiet! performance and quietness and makes it possible to build cost-effective and reliable systems.

be quiet! System Power 9 | 500W CM. Total power: 500 W, AC input voltage: 200 - 240 V, AC input frequency: 50 Hz. Motherboard power connector: 20+4 pin ATX, Motherboard power cable length: 55 cm, SATA power cable length: 550,670 mm. Purpose: PC, Power supply unit (PSU) form factor: ATX, 80 PLUS certification: 80 PLUS Bronze. Product colour: Black, Cooling type: Active, Fan diameter: 12 cm. Width: 150 mm, Depth: 140 mm, Height: 86 mm
Total power500 W
AC input voltage200 - 240 V
AC input frequency50 Hz
Input current4 A
Power factor0.95
Power Factor Correction (PFC) typeActive
Combined power (+3.3V)110 W
Combined power (+12V)456 W
Combined power (+5V)110 W
Combined power (-12V)3.6 W
Combined power (+5Vsb)15 W
Max output current (+3.3V)24 A
Max output current (+12V1)24 A
Max output current (+12V2)20 A
Max output current (+5V)15 A
Max output current (-12V)0.3 A
Max output current (+5Vsb)3 A
Power protection featuresOver current, Over power, Over voltage, Overheating, Short circuit, Under voltage
Ports & interfaces
Motherboard power connector20+4 pin ATX
Motherboard power cable length55 cm
Number of PATA power connectors2
SATA power cable length550,670 mm
PCI Express power connectors (6+2 pin)2
PCI Express power cable length50 cm
CPU power connector (4+4 pin)Y
CPU power cable length60 cm
Floppy drive power connector1
Cabling typeSemi-Modular
Power supply unit (PSU) form factorATX
80 PLUS certification80 PLUS Bronze
ATX version2.51
Bearing technologySleeve
CertificationCE, CB, TÜV, RCM, CU
Compatible productsIntel C6/C7
Product colourBlack
Cooling typeActive
Fan diameter12 cm
Number of fans1 fan(s)
Weight & dimensions
Width150 mm
Depth140 mm
Height86 mm
Weight1.56 kg
Packaging data
Cables includedPCIe, SATA
Package width97 mm
Package depth268 mm
Package height195 mm
Package weight2.22 kg
Package typeBox
Technical details
Sustainability certificatesRoHS, ENERGY STAR
Logistics data
Master (outer) case width31.1 cm
Master (outer) case length21.5 cm
Master (outer) case height55.6 cm
Master (outer) case gross weight14 kg
Products per master (outer) case6 pc(s)
Other features
Screws includedY
Noise level (silent mode, <30%)9.7 dB
Noise level (quiet mode, 50%)11.5 dB
Noise level (full-load mode, 100%)24.4 dB
Total power
500 W
AC input voltage
200 - 240 V
Motherboard power connector
20+4 pin ATX
Power supply unit (PSU) form factor
80 PLUS certification
80 PLUS Bronze


All shipments are processed from our offices in Rome and are handled by leading international couriers based on the final destination, weight and value of the order.
Orders are processed within 2 business days.
The delivery of the products is carried out within 4 working days from the confirmation of the order (you will receive an email containing the tracking code of your order).

The courier delivers from Monday to Friday between 8.30 and 18.00.
It is not possible in any way to fix the time and / or day of delivery of the products, nor is it possible to request delivery to post office boxes.

The contribution for transport costs calculated during the order may vary in cases where the bulk and / or weight of the goods exceeds the minimum weight / overall dimensions.

Should the shipping address differ from the billing address, please specify it in the notes accompanying the order to avoid unnecessary delays.


To exercise the right of withdrawal, you must inform us (APPIEFFE GROUP SRL, Viale Cesare Pavese 267, 00144 Rome, Tel +39 06 92939466, email: of your decision to withdraw from this contract by means of a declaration explicit (e.g. letter sent by post, fax or e-mail). To this end, you can use the attached withdrawal form, but it is not mandatory. To meet the withdrawal deadline, it is sufficient for you to send the relevant communication
to exercise the right of withdrawal before the expiry of the withdrawal period.

Pursuant to art. 5 of Legislative Decree 206/2005, the Customer who purchases goods for purposes not related to his professional activity and therefore makes the purchase indicating the Fiscal Code and not the VAT number, has the right to withdraw from the remote purchase contract within 14 calendar days starting from receipt of the order (Legislative Decree 21/2014 of 21 February 2014) by preferably sending a communication by registered letter with return receipt at the address:

Viale Cesare Pavese 267
00144 Rome

or at the email address or by fax at +39 06 99367459.

It is possible to send a PEC (Certified Electronic Mail) instead of the registered letter to the address only if this is sent in turn from a certified email address.

It is also possible to request the right of withdrawal via the "GOODS RETURN" link in the customer profile of our site, once logged in with login and password, without necessarily sending registered letters or other communications.

The refund will be made within 14 calendar days from the arrival of the object at our office.

NB: The costs of returning defective or non-compliant goods will be at our expense.
APPIEFFE GROUP SRL is not liable for any damage that the goods may suffer during transport, nor for any theft, loss or tampering that may occur in this phase. It is therefore suggested to make insured shipments.