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| 80 PLUS certification | 80 PLUS Platinum |
|---|---|
| AC input frequency | 50 - 60 Hz |
| AC input voltage | 100 - 240 V |
| ATX version | 2.51 |
| Bearing technology | FDB |
| Cabling type | Fully-Modular |
About this item
be quiet! Straight Power 11 Platinum 550W raises the bar for systems that demand virtually inaudible operation and outstanding efficiency.
View full product descriptionProduct information
From the manufacturer
About this product
- 80 PLUS® Platinum certification with an outstanding efficiency of up to 93.8%
- Virtually inaudible operation thanks to a Silent Wings 3 135mm fan
- Big funnel-shaped fan opening of the PSU case for high airflow intake
- Wire-free on the DC side inside the PSU for enhanced cooling and longevity
- Modular cables for maximum build flexibility
- Advanced stability and voltage regulation thanks to LLC, SR and DC-to-DC
- Four high-performance 12V rails
- Powerful multi-GPU support with two PCI-Express connectors
- Japanese 105°C-rated capacitors ensure stability and reliability
- Power signal stability unmatched in its class
- ErP and Energy Star 7.0 ready
- Product conception, design and quality control in Germany
be quiet! Straight Power 11 Platinum 550W raises the bar for systems that demand virtually inaudible operation and outstanding efficiency.
Product details
40
| 80 PLUS certification | 80 PLUS Platinum |
|---|---|
| AC input frequency | 50 - 60 Hz |
| AC input voltage | 100 - 240 V |
| ATX version | 2.51 |
| Bearing technology | FDB |
| Cabling type | Fully-Modular |
| Combined power (+12V) | 549.6 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+3.3V) | 110 W |
| Combined power (+5V) | 110 W |
| Combined power (+5Vsb) | 15 W |
| Efficiency | 93.8% |
| EPS power connector (4+4 pin) | Yes |
| Floppy drive power connector | 1 |
| Hold time | 17.7 ms |
| Input current | 8/4 A |
| Max output current (+12V) | 45.8 A |
| Max output current (-12V) | 0.3 A |
| Max output current (+12V1) | 18 A |
| Max output current (+12V2) | 18 A |
| Max output current (+12V3) | 20 A |
| Max output current (+12V4) | 20 A |
| Max output current (+3.3V) | 22 A |
| Max output current (+5V) | 22 A |
| Max output current (+5Vsb) | 3 A |
| Mean time between failures (MTBF) | 100000 h |
| Motherboard power cable length | 60 cm |
| Motherboard power connector | 20+4 pin ATX |
| Noise level | 14.9 dB |
| Number of PATA power connectors | 3 |
| Number of SATA power connectors | 9 |
| PCI Express power cable length | 60 cm |
| PCI Express power connectors (6+2 pin) | 2 |
| Peak power | 600 W |
| Power factor | 0.99 |
| Power Factor Correction (PFC) type | Active |
| Power protection features | Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage |
| Power supply unit (PSU) form factor | ATX |
| Purpose | PC |
| Total power | 550 W |
Logistics
| EAN | 4260052187364 |
|---|---|
| Unit of measure | — |
| Weight | — |
| Dimensions | — |
| Dangerous goods | No |
Warranty
- 12-month warranty on everything we sell.
- Runs from the day your order is delivered.
- Faults under normal use are repaired, replaced or refunded.
Payment
- Visa and Mastercard, processed securely by Tyl by NatWest with 3D Secure.
- PayPal — your PayPal balance or a saved card or bank account.
- Clearpay, Klarna and Billie — pay later or in instalments, processed by Stripe.
- No surcharge on any payment method; refunds go back to the way you paid.
Spread the cost
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- Businesses: pay in 30 days on invoice with Billie. Learn more
Choose at checkout. 18+, T&Cs apply, credit subject to status.
Return policy:
Item can be returned in its original condition for a full refund within 14 days of receipt, with a free tracked Royal Mail return label.
Read full return policy
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