KFD 4 PIN Adapter Compatible With Synology DiskStation 4-Bay DS412 DS413 DS414 DS415 DS710 DS712 DS416 DS416j Ds416play DS416SLIM DS418 DS418j NAS Server Diskless Network Attached Storage Power Supply
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LP
> 3 dayDevice delivered on schedule, powered diskstation as expected.
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ynpmoose
Greater than one weekPower supply had died on my DS916+ and this fixed it.
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jasonl
> 3 dayHad an older Synology DS-414 that suddenly up and died. Troubleshooting indicated that the external AC adapter was bad. Found this one with same connector and output amp/volts. Syno is now back up and running. Im happy with this purchase.
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Billy Bob
> 3 dayMy Synology was randomly powering off for unknown reasons and then, one day, decided to turn off and never come back. I suspected the power adapter immediately and jumped onto Amazon to order this replacement. While the connector to the back of the Synology was a bit tighter than the OEM, it went in fine and as soon as I connected the power, my Synology came back to life! While its too early to tell about longevity, this adapter feels very solid and should last for at least as long as the original (5 years).
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Chuck
> 3 daySynology DS918+, works like a charm!!
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Dan L.
> 3 dayOriginal went bad and couldnt find an OEM replacement. This one did the job
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Thomas
> 3 daySpecs were slightly different from the one originally supplied. But…the unit fired up without any problems. Working like new again
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TwelveWeeksInAYear
11-06-2025Misplaced the AC adapter for my Synology Diskstation DS-918+ in a move from WA to FL. I ordered this based on reviews and it is a perfect fit and my Synology NAS is happy and running great using this AC adapter. I noticed it had pretty much the same output rating in amps as the OEM adapter that came with my Synology. Problem solved, Im happy.
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Hal R
> 3 dayOur DS412 died (power supply dead). This is an exact replacement and came quickly. Our life is on that NAS. So thankful it came so quick.
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Andrew
> 3 dayDreaded flashing blue light on my DS918+. Unit would boot up without any drives and also with a 2.5 SSD so motherboard looked ok. But as soon as any 3.5 drive was inserted the unit would fail to start successfully and reboot (when trying to power up the drive a few seconds in). Replacing the power supply with this KFD unit resolved my issue.
Power Adapter Specification:
Input:World Wide Input Voltage 100-240VAC 50/60Hz
Output: 12V 8.33A 100W
Connector Size:4 Pin
OVP, OCP, SCP Protection (OVP: Over Voltage output Protection. OCP: Over Current output Protection. SCP: Short Circuit output Protection)
Compatible With Models
Compatible With Synology Diskstation DS416 DS416j Ds416play DS416SLIM DS418 DS418j Disk Station 4-Bay NAS Server Diskless Network Attached Storage
Compatible With Synology DiskStation Synology DiskStation 4-Bay DS412 DS413 DS413j 4200 DS414 DS415+ DS415play (Diskless) EA10721A-120
Compatible With Synology DiskStation DS710 DS712 DS710+ DS712+ Disk Station Network Attached Storage Server
Package Content
1*100W Charger Power Supply for Synology Diskstation Network Attached Storage Server
1*US Power Cable
1*User Manual
Purchase notice:
1) Please check the DC output voltage and amps of your device or the previous power adapter.
2) Please confirm this charger is the right one for your device model.
3) If your model is not listed here,please let us know,we"ll check it for you
Enterprise vision and mission
1) To produce and creat high-quality power adapters and power solutions in various fields of consumer products, industrial and audio applications globally.
2) Being committed to Research & Development, and maintaining high standard level on all products as well as perfectly service.
3) More than 80% of our company"s power adapters are accessory products, which are widely used and affirmed by the mainstream markets in Europe & US. Moreover, the core products have reached the world"s top level.
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| Brand | KFD | KFD | KFD | KFD | KFD |
| Input | DC 12V-24V | AC 100-240V | AC 100-240V | AC 100-240V | AC 100-240V |
| US Power Lead | Vehicle Charger | ✓ | ✓ | ✓ | ✓ |