Roll over image to zoom in · Click to see full view
| 80 PLUS certification | 80 PLUS Gold |
|---|---|
| AC input frequency | 50 - 60 Hz |
| AC input voltage | 100 - 240 V |
| ATX version | 2.4 |
| Cabling type | Fully-Modular |
| Combined power (+12V) | 549.6 W |
About this item
World Class Quiet and Efficiencybe quiet! Straight Power 11 550W raises the bar for systems that demand virtually inaudible operation without power quality compromises. This PSU is clearly the best choice for super silent systems.
View full product descriptionProduct information
From the manufacturer
About this product
- Virtually inaudible operation thanks to a SilentWings® 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
- Full cable management for maximum build flexibility
- 80PLUS® Gold certification with an efficiency of up to 93%
- 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 6.1 ready
- Product conception, design and quality control in Germany
World Class Quiet and Efficiency
be quiet! Straight Power 11 550W raises the bar for systems that demand virtually inaudible operation without power quality compromises. This PSU is clearly the best choice for super silent systems.
Product details
40
| 80 PLUS certification | 80 PLUS Gold |
|---|---|
| AC input frequency | 50 - 60 Hz |
| AC input voltage | 100 - 240 V |
| ATX version | 2.4 |
| Cabling type | Fully-Modular |
| Combined power (+12V) | 549.6 W |
| Combined power (-12V) | 3.6 W |
| Combined power (+3.3V) | 130 W |
| Combined power (+5V) | 130 W |
| Combined power (+5Vsb) | 15 W |
| CPU power cable length | 70 cm |
| CPU power connector (4+4 pin) | Yes |
| Efficiency | 93% |
| EPS version | 2.92 |
| Floppy disk drive connector | Yes |
| Hold time | 18.9 ms |
| Input current | 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) | 24 A |
| Max output current (+5V) | 24 A |
| Max output current (+5Vsb) | 3 A |
| Motherboard power cable length | 60 cm |
| Motherboard power connector | 20+4 pin ATX |
| 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 |
| SATA power cable length | 550 mm |
| Silent mode | Yes |
| Total power | 550 W |
Logistics
| EAN | 4260052185766 |
|---|---|
| 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
-
-
- 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
You might also like
4260052191200
be quiet! PURE POWER 12 1000W BP005EU
£108.23 excl.
£129.88 incl.
In stock
Free delivery · Ships in 2 business days
4260052192191
be quiet! Pure Power 13 M | 850W BP027EU
£77.49 excl.
£92.99 incl.
In stock
Ships in 2 business days
4260052192016
be quiet! Dark Power 14 850 W - 80 Plus Titanium BP019EU
£173.46 excl.
£208.15 incl.
In stock
Free delivery · Ships in 2 business days
4260052193631
be quiet! POWER ZONE 2 | 1200 W BP030EU
£98.55 excl.
£118.26 incl.
In stock
Ships in 2 business days
4260052189368
be quiet! Dark Power Pro 13 | 1300W BN331
£319.63 excl.
£383.56 incl.
In stock
Free delivery · Ships in 2 business days
4260052192184
be quiet! Pure Power 13 M | 750W BP026EU
£74.77 excl.
£89.72 incl.
In stock
Ships in 2 business days
Recently viewed
8715946719023
Epson EB-PQ2010W V11HB02980
£16,862.42 excl.
£20,234.90 incl.
In stock
Free delivery · Ships in 2 business days
0758479281597
SonicWall Gateway Anti-Malware 02-SSC-8159
£6,295.39 excl.
£7,554.47 incl.
Out of stock
0085896643258
Kensington Expert Mouse Wired Trackball 64325
£85.91 excl.
£103.09 incl.
In stock
Ships in 2 business days
840304759255
77-95279
£30.16 excl.
£36.19 incl.
Out of stock
766907014693
Viewsonic VG2448A-2
£138.50 excl.
£166.20 incl.
In stock
Free delivery · Ships in 2 business days