Syncra Silent 2.0 Pump (568 GPH)

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Why does BRS recommend this?

The Syncra Silent line of pumps come in many different sizes and will fit most tank needs.  Sicce uses high quality magnets in their pumps, which allows them to spin smoother with less noise than almost all other pumps in their price category.  If your tank needs a high flow return pump, or a smaller pump for a low flow reactor our first choice will always be Sicce.


Quiet, energy-efficient pump for a variety of uses in wet or dry application. Use in salt or freshwater.



  • 5 Year Motor Warranty with online registration
  • Synchronous motor and advanced rotor result in 100% silent operation
  • Adjustable flow rate
  • Ceramic shaft and bearings
  • Durable rotor and shaft
  • Applications: saltwater aquariums, protein skimmers, indoor fountains
  • Submersible or in-line use
  • 2.82psi



  • Output: 568 GPH
  • Maximum Head Height: 6.5 Ft
  • Power Consumption: 35W
  • Inlet: 3/4" Female NPT or 3/4"-1" Hose
  • Outlet: 3/4" Female NPT or 3/4"-1" Hose
  • Dimensions: 4.84" x 3.35" x 4.13"
  • Cord Length: 6 ft
  • Warranty: 5yr (motor)/6 month (impeller)


Quick Compare - Sicce Syncra Silent Submersible Pumps

Model No. Flow Rate Power Consumption Amps Head Maximum Inlet/Outlet Dimension (Inches)
0.5 185 GPH 8W .12 4 Ft 0.5" - 0.7" 3.5" x 1.9" x 2.8"
1.0 251 GPH 16W .25 5 Ft 0.5" - 0.7" 3.5" x 1.9" x 2.8"
1.5 357 GPH 23W .43 6 Ft 0.6" - 0.8" 4.0" x 2.4" x 3.0"
2.0 568 GPH 35W .65 6.5 Ft 0.8" - 1" 4.9" x 3.0" x 3.8"
3.0 714 GPH 48W .43 9.9 Ft 0.8" - 1" 4.9" x 3.0" x 3.8"
3.5 660 GPH 68W .7 12.5 Ft 1" - 1.2"/0.8" - 1" 6.8" x 3.4" x 4.4"
4.0 951 GPH 85W .85 12.5 Ft 1" - 1.2"/0.8" - 1" 6.8" x 3.4" x 4.4"
5.0 1321 GPH 105W .95 12.6 Ft 1" - 1.2"/0.8" - 1" 6.8" x 3.4" x 4.4"
HF 10.0 2500 GPH 145W 1.7 16.4 Ft 1" Barb - 1" MPT 11.38" x 6.29" x 6.69"
HF 12.0 3200 GPH 165W 1.9 17.05 Ft 1.5" 11.38" x 6.29" x 6.69"
HF 16.0 4200 GPH 190W 2.0 15.4 Ft 1.5" 11.38" x 6.29" x 6.69"


InstructionsSicce Syncra Silent Instruction Manual

SpecificationsSicce Syncra Silent Spec Sheet

More Information
UPC 8011469995822
Variable Speed No
Gallons Per Hour 300 - 600 GPH
Max Head Height 5 -10 Feet
Output Size 0.75" (3/4 in.), 1 in.
Power Type AC
Power Consumption 35W
Power Cord Length 6 Feet
Input Size 0.75" (3/4 in.)
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Product Questions

Question by: nicole karisny on Sep 14, 2020, 8:47 PM
While you can lower it, it will not go down to 4 GPH. It does not have precise tuning.
Answer by: Matt Lucero (BRS Staff) on Nov 5, 2021, 8:54 AM
I purchased this pump to operate outside of water. I need it to take water from my tank and pump it through a uv filter to return to the tank. I cannot get this pump to pull water from the tank and do the above. What am I doing wrong? All connections are correct. If I put the pump in water it works. When the pump is outside of water it doesn’t. It need to pull water 1 plus foot up out of the tank and then up 4 feet through the uv back into the tank. Thanks.
Question by: Stephen wilbur on Jan 18, 2020, 9:55 PM
Hey there!

Sounds like the pump has not been primed, often times what helps is moving the intake of the pump slightly below the tank so water gravity feeds in and primes the pump. There are YouTube videos as well that can show you how to prime an external pump.

Take care
Answer by: Thomas Billington on Jan 22, 2020, 2:39 PM
Hey guys, I need some advice. I have a 55 gallon reef. Cs 90 overflow and the eshopps r-100 fuge. Do u think this pump will do? I have a VERY limited budget. Thanks for your time
Question by: Scott on Dec 4, 2016, 8:30 PM
Great question! I would say that this pump would be far under powered for your size of tank. I would recommend the Sicce 3.0 or better yet 4.0 :-)
Answer by: Randy on Dec 19, 2016, 7:51 AM
Could I use this for a return pump for my mixed saltwater to be pumped to my tank? It has to go about 40 ft and has an elevation of about 25 inches along the way. Thanks
Question by: Anthony on Dec 4, 2016, 12:52 PM
Great question! This pump is far too under powered to run as a return pump with that distance. This pump would be sufficient for a 10-20gal tank with a sump directly underneath it. I would recommend a much larger internal pump or begin looking at external pumps.
Answer by: Admin on Dec 17, 2016, 7:41 AM
I just installed mine yesterday and hearing a decently audible hum from the pump. Is this normal? Does it need to break in? I read reviews stating this pump was super quiet. And could barely or not be heard at all.
Question by: jake Butterfield on Dec 2, 2016, 8:37 AM
Great question! AC pumps are inherently a bit noisy. These pumps by Sicce are going to be the most quiet available in the AC pump market. It is still recommended to utilize the rubber feet as well as a small section of silicone tubing between the pump and the plumbing. Also be sure that the pump is not touching the edge of the sump wall. :-)
Answer by: Admin on Dec 2, 2016, 8:44 AM
Is the Sicce 2.0 sufficient to use as a return pump on a 40 breeder with a 40 gallon sump pumping 4' up?
Question by: Dan Becvar on May 15, 2016, 6:01 PM
Great question!
The sicce 2.0 has enough flow however the head height of 4 feet will greatly limit the end flow. This has a maximum height of 6.5 feet where the flow will go to 0 GPH. this means at 3 feet up the flow will be decrease by half to 250 GPH. even higher of 4 feet will probably reduce down to 200 GPH. We recommend a slightly larger pump to match closer to the 10x your system volume.
Answer by: Connor on May 19, 2016, 2:57 PM
Would the Syncra 2.0 fit in the nuvo 40 as an upgrade return.
Question by: Jesse on Apr 20, 2016, 10:21 AM
Great question!
It will work, Ideally for installation you will need to remove the suction cup feet and face plate to fit the pump in the chamber and re-assemble in the chamber. Feel free to let us know if you have any further questions!
Answer by: Connor on Apr 26, 2016, 1:34 PM
Is the Syncra Silent 2 (568 gph) sufficient for a 66 gallon reef tank and sump or should I go with Syncra Silent 3?

Question by: Bob on Jan 25, 2016, 8:32 AM
Great question!
The Sicce 2.0 would work however the flow rate would be under the 10x system volume per hour. In this case we would recommend the 3.0 to help with the loss of GPH by head height. Feel free to let us know if you have any further questions!
Answer by: Connor on Feb 3, 2016, 12:07 PM