Cisco SG550X Series – Managed Gigabit Stackable Switch 🔀 Cisco SG550X-48-K9 • 48× Gigabit • 4× 10G SFP+ • Dual-Fan • Tested 48× 1G RJ45 4× 10G SFP+ Stackable L3 Smart Switch Firmware 2.3.0.130 Fully Tested 🛠 Professionally refurbished & fully bench-tested.
✔ System boots normally into firmware 2.3.0.130
✔ Internal Power Supply: Active
✔ Fans: OK · Redundant Fan: Ready
✔ Temperature: 28°C — Normal
✔ L3 routing, VLAN, spanning-tree, and interface tests passed
✔ All Gigabit & 10G uplink ports link-tested
Highlights ✨
- 48× 1G RJ-45 Ethernet Ports
- 4× 10GbE SFP+ Uplink Ports
- Stackable Layer 3 Smart Managed Switch
- Dual-fan cooling system
- Reliable for SMB, enterprise edge, and distribution layers
- Cleaned and refurbished for production-ready use
Condition & Notes ℹ️ Unit is used and fully refurbished.
Firmware: 2.3.0.130
Fans: OK · Redundant Fan: Ready
Temp: Normal (28°C)
Power Supply: Internal — Active
Jumbo Frames: Disabled
All ports tested using loop & link checks ✔️
Include 📦
- 🔀 Cisco SG550X-48-K9 Switch
- 🔌 Power Cable
- 🧵 Console Cable (if shown in photos)
Test 🧪
- Boot test — OK ✔️
- Firmware verified: 2.3.0.130 ✔️
- Fan & Temp status: OK ✔️
- PSU Status: Active ✔️
- All 48× Gigabit ports link-tested ✔️
- All 4× 10G SFP+ uplinks detected ✔️
Ship 🚚
- 📦 Protective packaging for safe delivery
- 💨 Ships within 1 business day (tracked)
Tech Specs 🧩 Model SG550X-48-K9 Ports 48 × 1GbE RJ45
4 × 10GbE SFP+ Power Supply Internal PSU (Active) Cooling Dual fan system · Redundant fan ready Firmware 2.3.0.130 Condition Used • Refurbished • Tested ⏱ Handling Time
Ships within 1 business day.
🔁 Return & Warranty Policy
1-year warranty • Free returns • Money Back Guarantee.
📩 Contact
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Thanks for viewing 🌿 — Professionally tested Cisco switches ready for deployment.
