🛍️ Product Name
SYNOLOGY DX517 Expansion Unit – 5-Bay Diskless, eSATA Interface, Hot-Swappable Trays, Auto Volume Expansion
📦 Product Overview
The Synology DX517 is a 5-bay diskless expansion unit designed to extend the storage capacity of compatible Synology NAS systems. Connected via high-speed eSATA, it supports online volume expansion without service interruption. Ideal for growing data environments, it features hot-swappable trays, quiet operation, and seamless integration with Synology DiskStation Manager (DSM).
🌟 Top Highlights
🧩 5-Bay Expansion – Add up to 5 drives instantly
⚡ eSATA Interface – High-speed dedicated connection
🔄 Online Volume Expansion – No downtime required
🛠️ Hot-Swappable Trays – Tool-free drive replacement
🔒 RAID Support – Expand existing RAID volumes securely
📐 Technical Details
| Specification | Details |
|---|---|
| Model | DX517 |
| Drive Bays | 5 x 3.5″/2.5″ SATA HDD/SSD |
| Max Capacity | Up to 108 TB (5 × 22 TB) |
| Connection | eSATA (cable included) |
| Hot Swappable | Yes |
| Cooling | 2 × 80 mm fans (auto speed) |
| Power Supply | 200W external adapter |
| Dimensions | 166 × 248 × 233 mm |
| Weight | 3.91 kg (without drives) |
| Noise Level | 22.1 dB(A) |
| Operating Temp | 5°C to 40°C |
| Compatible NAS | DS1517+, DS1817+, DS1821+, DS1621+, DS1019+, DS920+, DS918+, DS720+, DS713+, DS712+, DS710+ |
💡 Why You Should Buy It
✅ Expand storage instantly without downtime
✅ Supports RAID volume scaling
✅ Quiet, efficient, and hot-swappable
✅ Seamless DSM integration
🎯 Recommended Use Cases
➤ Storage expansion for media libraries
➤ Surveillance archive scaling
➤ Dedicated backup volume
➤ RAID volume extension
📦 What’s Included
📦 DX517 Expansion Unit (Diskless)
🔌 eSATA Cable
⚡ Power Adapter & Cord
📘 Quick Installation Guide
🤝 Customer Assurance
🛡️ Warranty / Guarantee: Manufacturer warranty applies
🔄 Returns Policy: As per standard reseller terms
🚚 Shipping Info: Tracked delivery via trusted logistics
📞 Support: Available via Synology and authorized resellers
👉 Call to Action
Scale your Synology NAS with DX517 — hot-swappable, quiet, and built for seamless expansion.

Thanks for choosing
– YOUR TRUSTED IT PARTNER.

