SKU: 41157401471

be quiet! System Power 11 650W is ATX 3.1 compliant and PCIe 5.1 compatible, 5-year manufacturer's warranty

Sale price$53.52 Regular price$59.47
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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20

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Description

be quiet! System Power 11 650W is ATX 3.1 compliant and PCIe 5.1 compatible, 5-year manufacturer's warrantySYSTEM POWER 11 650W 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 650W

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 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 11 650 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)
5

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% load63.9 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 86.7 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)
2100

dB(A) at 10% load
10.9

dB(A) at 20% load
10.9

dB(A) at 50% load
11.8

dB(A) at 100% load
30.9

Output

Multi-rail operation (12V rails)
No

12V single rail operation
Yes

Overclocking key
No

+3.3V (A)
20

+5V (A)
20

+12V1 (A)
54.17

+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)
650

Max. combined power 12V-2x6 (W)
450

Max. combined power 3.3V + 5V (W)
120

Hold-up time at 100% load (ms)
17.04

Hold-up time at 80% load (ms)
21.10

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
8

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

TÜV
Yes

UKCA
Yes

IRAM
No

Environmental directives

Energy Star
8.0

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)
1.97

Color
Black

Logistics data and RRP

Dimensions, package (L x W x H), (mm)
268 x 195 x 97

Gross weight, package (kg)
2.4

Pieces per packaging unit
6

Dimensions, shipping box (L x W x H), (mm)
556 x 311 x 218

Gross weight, shipping box (kg)
15.2

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:
  1. 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
SKU: 41157401471

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4.6 ★★★★★
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Product Reviews
M
Martin V.
Waukegan, US
★★★★★ 5
Modern luxury with summer fabric that performs above its price!
Color: Beige, Size: 14, Color: Beige, Size: 14
Wow! My son wore it for Easter Sunday and this suit fits the bill! The linen material is spot on--not too heavy and not too light especially since the weather is warming up now. The jacket is quality made--the design is modern executive, the stitches are strong no flaws to note. The pants are tad bit longer but that's okay, build quality is also great. The white shirt is decent and matches well with the rest of the set. The bow tie and tie itself is a great complimentary to the set, though optional to wear. The whole set just has that quality you would really look for in the price range you would want to pay. Overall, best value for for the, wear right outside the bag, maybe a light ironing otherwise it's perfect! I highly recommend it, no complaints here very happy with this suit!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
A
Ariel B.
Birmingham, US
★★★★★ 4
Heavy linen character, but a beautifully tailored suit!
Color: Beige, Size: 4, Color: Beige, Size: 4
This is a really nice linen suit! The jacket is beautifully made and well-tailored, with a fun speckled texture that has lots of pretty color variation (we ordered the beige). When I placed it side by side with a similar linen suit from another brand, the difference in the linen texture was really noticeable — this had a much stronger linen character that stands out! It has three useful pockets on the outside of the jacket, which is great for little hands. The only downside is that one of the inside pockets is just for show (faux), which was a bit surprising and somewhat disappointing for my little guy. The pants have pockets too, but they aren’t very deep — perfect for small treasures, but not much more. The pants are made from a lighter, thinner single-layer linen compared to the fully lined, double-layer jacket, which makes sense for comfort and easy movement. The pants didn’t come with a front crease ironed in, so you’ll want to press one yourself. The linen did pick up some creases from being folded in the package, but it doesn’t seem quite as wrinkly as some other linen fabrics I’ve tried. Still, like most linen clothes, especially for boys, the pants will need occasional ironing to keep them looking neat and crisp, especially after a day of play and general wear. The structured, lined jacket stays looking smoother and more put-together with less effort. It also came with a bow tie, a neck tie, and a tuxedo-style white shirt as extras. The ties aren’t great quality — they’d work fine for quick photos but probably won’t hold up to much actual wear. The formal white shirt feels a bit funny paired with the casual linen suit, but I don’t mind at all. We already have white shirts that we prefer, so we’ll use those instead. For us, the extras are really just bonus items we won’t plan on using. Overall, it’s a handsome little suit that’s perfect for special occasions like weddings, family photos, or holiday events. My kid looked adorable in it! The stronger linen texture on the jacket gives it a premium feel that I really like. Just be ready for a bit of extra care with the pants to keep everything sharp.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
C
chzgr8er
Belleville, US
★★★★★ 5
Great suit set
Color: Light Grey, Size: 4
It is incredibly attractive and includes everything a young child needs for a special occasion. The material is a 75% polyester and 25% linen blend, and the outer fabric feels remarkably smooth. Its unstructured design allows for an attractive, natural drape, and the blend conveniently allows for machine washing at home. As is typical with linen-based materials, the fabric can be naturally stiff and prone to wrinkling, so I recommend ironing or steaming it before use. The lightweight feel makes it an excellent choice for the spring, summer, and fall months. Overall, this suit offers exceptional value for the price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 12, 2026
S
Verified Purchase
Susan K Anderson
Battle Creek, US
★★★★★ 5
Men’s mock golf shirt
Color: Lake Green, White, Black, Size: XX-Large
Fit & quality very good.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2026
G
Verified Purchase
Garfield S
Port Orchard, US
★★★★★ 5
Nice Fit
Color: Black, White, Light Gray, Size: 3X-Large
I picked this up looking for something simple but clean, and it delivered. The fit is comfortable, the material feels solid, and it looks good without needing much effort. It’s one of those pieces you can throw on and still look put together.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 29, 2026

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