Synology Inc.
Synology Inc. DX1222 12-Bay Desktop NAS Expansion Unit
- Desktop NAS
- 1 x 1GbE / 1 x Expa…
$889.99
0.01132274BTC
In stock
Synology Inc.
Synology DX517 5-Bay NAS Expansion Unit
Adds five hot-swappable SATA drive bays to compatible Synology NAS units for on-the-fly volume expansion or local backup
- TypeDesktop NAS
- Ports1 x eSATA
- Port eSATA1 x eSATA
- HDD Interface5 x SATA (5 x Bay)
- Form Factor5-Bay
- Included HDD CapacityDiskless System
Form Factor 5-Bay
- 5-Bay
- 12-Bay
Option Expansion Unit DX517
- Expansion Unit DX517
- DX1222
- Add five drive bays instantly via eSATA connection
- Expand storage volumes on the fly without service interruption
- Hot-swappable screwless trays let you swap drives without powering down
- Supports 3.5" and 2.5" SATA drives up to 80TB total capacity
- Low 2.4W hibernation power cuts energy use when idle
Five-bay SATA expansion
The Synology DX517 adds five hot-swappable drive bays to compatible DiskStation units over a single eSATA link. It accepts both 3.5-inch and 2.5-inch SATA hard drives or SSDs, letting you grow raw capacity up to 80 TB without downtime. The diskless chassis ships with an eSATA cable, power cord and screwless trays for quick deployment.
Suits owners of DS1517, DS1517+, DS1817 or DS1817+
This unit only works with the four DiskStation models listed above; any other NAS, server or PC cannot attach to its proprietary eSATA port. Buyers who need more than five extra bays, a different host interface or a standalone NAS should look at a separate platform.
Fits beside the host NAS on a shelf
The expansion unit draws up to 29.9 watts during access and 2.4 watts in hibernation from its internal 200-watt supply, which auto-ranges from 100 to 240 volts AC. It operates between 5 and 40 degrees Celsius, so normal office cooling is sufficient. No extra switch, router or controller is required — just the host DiskStation and the supplied cable.
Highlights
- Add five drive bays instantly via eSATA connection
- Expand storage volumes on the fly without service interruption
- Hot-swappable screwless trays let you swap drives without powering down
- Supports 3.5" and 2.5" SATA drives up to 80TB total capacity
- Low 2.4W hibernation power cuts energy use when idle
Specifications
| Brand | Synology |
|---|---|
| Model | DX517 |
| Type | Desktop NAS |
| Ports | 1 x eSATA |
| Port eSATA | 1 x eSATA |
| HDD Interface | 5 x SATA (5 x Bay) |
| Form Factor | 5-Bay |
| Included HDD Capacity | Diskless System |
| Max Capacity | 80TB |
| Drive Compatibility | 3.5" SATA HDD 2.5" SATA HDD 2.5" SATA SSD |
| Power | Power Supply Unit / Adapter: 200W AC Input Power Voltage: 100V to 240V AC Power Frequency: 50/60 Hz, Single Phase |
| Power Consumption | 29.9W (Access) 2.4W (HDD Hibernation) |
| Temperature | Operating Temperature: 5 ~ 40 degree Celsius (40 ~ 104 degree Fahrenheit) Storage Temperature: -10 ~ 70 degree Celsius (15 ~ 155 degree Fahrenheit) |
| Humidity | 5-95% R.H |
| Features | 5-bay 3.5" / 2.5" SATA expansion Easily add 5 additional drive bays to Synology DiskStation1. Supporting both 2.5" and 3.5" SATA drives, DX517 is a flexible solution supporting on-the-fly volume expansion or serving as a local backup destination. Online volume expansion Managed from DiskStation Manager on the host NAS, the additional bays in the DX517 are immediately ready to be used once connected. On-the-fly volume expansion ensures that storage and services on the host are not interrupted during volume expansion. Hot-swappable drive tray design The hot-swappable drive trays of DX5 |
| Usage | Backup & stream media through personal cloud |
| Dimensions | 6.18" x 9.76" x 9.17" |
| Weight | 8.62 lbs. |
| Package Contents | 1 x Main Unit 1 x Accessory Pack 1 x AC Power Cord 1 x Expansion Cable: eSATA 1 x Quick Installation Guide |
| Shipping weight | 4.90 kg |
| Package size | 356 × 320 × 297 mm |
Other versions of this model
1 more in the same range
Same family, different memory, cooler or clock — compare before you commit.
Questions about this item
Which Synology DiskStation models can I connect the DX517 to using the included eSATA expansion cable?
The DX517 connects via eSATA to the DS1817+, DS1517+, DS1817 and DS1517 DiskStation models for immediate capacity expansion.
Can I mix 3.5-inch and 2.5-inch SATA drives inside the five hot-swappable bays without powering down the host NAS?
Yes, the DX517 supports both 3.5-inch and 2.5-inch SATA HDDs or SSDs in its five screwless trays, and drives can be swapped while the host DiskStation remains online.
How do I confirm the DX517 is operating correctly after connecting it to my DiskStation?
In DiskStation Manager on the host NAS, the five new bays appear immediately; you can create or expand volumes on-the-fly and monitor drive status and temperature without service interruption.
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