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Description
be quiet! System Power 11 550W is ATX 3.1 compliant and PCIe 5.1 compatible, 5-year manufacturer's warrantySYSTEM POWER 11 550W Proven Reliability, Quiet Operation System Power 11 is the ATX 3. 1 PSU for value oriented PC builders that do not want to pass on reliability and quietness. Highlights ATX 3. 1 PSU with support for PCIe 5. 1 GPUs and GPUs with 6+2 pin connectors Temperature controlled 120mm quality fan reduces system noise Rock solid stability with a strong 12V rail Tight voltage regulation using DC to DC technology Up to one PCIe 5. 1 12V 2x6
SYSTEM POWER 11 550WProven Reliability, Quiet Operation System Power 11 is the ATX 3.1 PSU for value-oriented PC builders that do not want to pass on reliability and quietness.
Highlights
ATX 3.1 PSU with support for PCIe 5.1 GPUs and GPUs with 6+2 pin connectors
Temperature-controlled 120mm quality fan reduces system noise
Rock-solid stability with a strong 12V-rail
Tight voltage regulation using DC-to-DC technology
Up to one PCIe 5.1 12V-2x6 600W and up to 3 PCIe 6-2 connectors for high-end GPUs
Dependable operation to support powerful GPUs
Stand-by drain of less than 0.15 watts
80 PLUS Bronze efficiency (up to 90.0 %)
5-year manufacturer’s warranty
Product conception, design and quality control in Germany
General
Model
System Power 11 550 W
Continuous power (W)
550
Peak power (W)
No
Form factor
Version 3.1
Form factor EPS 12V
Version 2.92
Topology
Double forward + DC-DC
Digitally controlled
No
Voltage (Vac)
200 - 240
Frequency (Hz)
50
Input current (A)
4
Power factor at 100% load
>0.98
Modern standby
Yes
Power consumption in standby (W)
<0.1
Average life time (h / 25°C)
>100,000
Operating temperature up to (°C)
40
Efficiency
80 PLUS certification
Efficiency (%) at 230V, 2% load64.4 Bronze
Efficiency (%) at 230V, 10% load 84.4 Bronze
Efficiency (%) at 230V, 20% load 88.6 Bronze
Efficiency (%) at 230V, 50% load 89.7 Bronze
Efficiency (%) at 230V, 100% load 86.6 Bronze
Fan and cooling technology
Cybenetics Noise Rating
No
Fan
Silence-optimized be quiet! fan
Fan size (mm)
120
Bearing technology
Rifle
Motor technology
4-pole fan motor
Max. fan speed (rpm)
1800
dB(A) at 10% load
10.4
dB(A) at 20% load
10.8
dB(A) at 50% load
11.0
dB(A) at 100% load
24.2
Output
Multi-rail operation (12V rails)
No
12V single rail operation
Yes
Overclocking key
No
+3.3V (A)
20
+5V (A)
20
+12V1 (A)
45.83
+12V2 (A)
no
+12V3 (A)
No
+12V4 (A)
No
+12V5 (A)
No
+12V6 (A)
No
-12V (A)
0.3
+5Vsb (A)
3
Max. combined power 12V (W)
550
Max. combined power 12V-2x6 (W)
300
Max. combined power 3.3V + 5V (W)
120
Hold-up time at 100% load (ms)
16.86
Hold-up time at 80% load (ms)
20.92
Power good signal (ms)
100 - 150
Cables and connectors
Modular cables
No
Sleeved cables
P24
Flat cables
P4+4, P4, PCIe, drives
Maximum cable length (cm)
55
Cable length to motherboard (cm)
79
No. of cables
7
ATX-Motherboard (20+4-pin)
1
P4+4 (CPU)
1
P8 (CPU)
No
P4 (CPU)
1
12V-2x6 cables
1
PCI-e 6+2-pin (GPU)
2
PCI-e 6-pin (GPU)
No
SATA
5
PATA
1
FDD (Floppy)
No
Protection
OTP (over temperature protection)
Yes
OCP (over current protection)
Yes
OPP (over power protection)
Yes
SCP (short circuit protection)
yes
OVP (over Voltage protection)
Yes
UVP (under Voltage protection)
Yes
SIP (Surge & Inrush protection)
Yes
Safety certification
BSMI
No
CB
No
CCC
No
CE
Yes
cRUus
No
cTUVus
No
CU
Yes
FCC
No
RCM
No
TUV
Yes
UKCA
Yes
IRAM
No
Environmental directives
ErP
Yes
WEEE
Yes
RoHS
Yes
Triman
No
Scope of delivery
Thumb screws
No
Screws
Yes
Cable ties
Yes
Velcro cable ties
No
User manual languages
No
OCK slot bracket with switch / OCK jumper
No
SFX-to-ATX adapter bracket
No
Casing
Dimensions without cable (L x W x H), (mm)
86 x 150 x 140
Weight (kg)
1.92
Color
Black
Logistics data and RRP
Dimensions, package (L x W x H), (mm)
268 x 195 x 97
Gross weight, package (kg)
2.3
Pieces per packaging unit
6
Dimensions, shipping box (L x W x H), (mm)
556 x 311 x 218
Gross weight, shipping box (kg)
14.9
Service
Warranty (Years)
5
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.5 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 4
Why write another review? There are already so many for this book.
Format: Kindle
It shouldn't surprise me that books that I like, by authors that I love, are extremely popular and well reviewed. This is the case with "
. We might just as well ask, "Why write another book on prayer? The world is full of them." I could forego the review entirely, but I just can't do that because I love Annie (the author) so much and I cannot pass up the opportunity to say how much I appreciate her life and her work.
While this isn't my favorite "Anne Lamott" book, it is certainly worth reading, if for no other reason than the entertainment value. Her words are so skillfully crafted and lyrical that it causes joy to spring up in my soul. This book will provide some insight into prayer for everyone; from the practiced, long-time prayer practitioner to the novice; from believer to agnostic. You will discover aspects of prayer that you had not appreciated before.
This is not a technical treatise on prayer, but it did encourage me to pray and to be more faithful in prayer... to be more "in the moment" and to recognize the beauty that is everywhere around us.
The day this came out I bought two copies, one for Kindle (which was formatted well and flowed smoothly) and the audio version (which I will listen to the next time through). I have several of Anne's other books in the audio version and I can say it is a real treat when she reads the books herself.
Do not hesitate to buy this (or any other) book by Anne Lamott. You will be happily rewarded in the reading.
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Reviewed in the United States on December 18, 2012
★★★★★ 5
Understand your loss. Celebrate your gain. Live!
Format: Kindle
A quick look at what makes us human; our principal line of relationship to the Cosmos. Maybe not always reverent, but always livable and believable. This is a book, a primer, on how to deal with the mess of life. Written with enough seriousness and tongue-in-cheek humor to be readable and thought provoking.
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Reviewed in the United States on May 22, 2025
★★★★★ 5
An Invitation into the Heart of Reality
Format: Kindle
I love reading Anne Lamott. She helps me feel that it’s okay to be human. She helps me see that prayer is human. It’s the most natural thing you can do. And, really, everybody does it, whether they know it or not. In this delightful book, Ms. Lamott reflects on what she calls three essential prayers: help, thanks, and wow! Such human expressions! She invites us, the readers, into her perspective on life, infused as it is with both the mundane and the mysterious. There are times when it is even threatening. But we are not alone. We have each other, and we have God. (Or, better, God has us.). I don’t know that Ms. Lamott would want to be called an optimist, but she certainly sees the good in the bad (or, maybe after the bad). Life is both, she seems to say, but all is okay. So we ask for help when we’re wise enough (or desperate enough) to do so—both for ourselves and others. And we say thanks because life is full of reasons to be grateful. And there is so much beauty around us—and tragedy too—that we cannot help but erupt with wow! I urge you to read this book. Perhaps, as you read it, you will feel as I did reading it, that you are in a conversation with someone very wise and very compassionate and very real.
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Reviewed in the United States on January 8, 2025
★★★★★ 5
Another Thanks and Wow by Anne Lamott!
Format: Hardcover
I was first introduced to Anne Lamott's writing about 25 years ago when I read her book, Bird by Bird. It was a book about how to write and from that moment she became one of my favorite authors. Help, Thanks, Wow is a wonderful book that I have underlined and reread over and over again. Her writing has a voice that many of us can relate to. It's honest and you can feel her pain. She writes with humor to balance the good with the bad. Something that is so important to learn as we go through life. Her descriptions help you see, feel, and smell when she describes "autumn...the colors are broccoli and flame and fox fur. The tang is apples. The rot smells faintly of grapes..." She tells us how to ask for help when you can't do it all by yourself, but how important it is to say thank you, thank you, thank you and Wow for all the things you are grateful for. I loved when she wrote about how service to others is joy ,but how important it is to be kind to yourself. One of my favorite passages was this one, "This morning at six when I awoke, loneliness was sitting on my chest like a dental X-ray apron, even though I was buried in hairy dog love. Help, I am sad and lonely, and already it looks like today is going to be too long. I prayed...I did a kindness to myself, as I would have a troubled friend..." Her descriptions are all like this one and easy to relate to. I loved this book and have given it to friends who have then bought it for other friends. It is definitely a WOW!!!!
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Reviewed in the United States on May 6, 2014
★★★★★ 3
Not bad, but not my cup of tea
Format: Hardcover
After seeing Anne Lamott on TV, I was impressed with her and checked out this book on Amazon. The reviews were good, so I ordered it. I was a bit disappointed on receiving it, as I didn't like the shape of the book (too small) and I didn't like the type style (too hard to read). Then, I struggled to get into the book. I like to highlight insights in inspirational books, and I simply didn't find anything to highlight in this one. I think Anne Lamott is a lovely person and I understand how a lot of people liked this book. However, it just didn't bring any new insights to the table for me and it wasn't written in a way that I found compelling. The good news is, it wasn't too hard to finish, since it is short. I passed it on to someone I hope will enjoy it.
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Reviewed in the United States on November 26, 2013