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WS-C3850-12X48U-L
Cisco Catalyst 3850 48 Port (12 mGig+36 Gig) UPoE LAN Base
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Since 2016, Enterprise-Trusted
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
WS-C3850-12X48U-L is a high-performance enterprise switch built with a robust and scalable architecture designed for demanding network environments. It delivers versatile power options with a fixed AC power supply and supports advanced power technologies to ensure efficient operations, while its 48 Ethernet ports and 12 10G SFP+ uplink ports offer seamless connectivity and flexibility.
WS-C3850-12X48U-L is engineered for superior performance and reliable stacking capabilities that simplify network management and expandability. Ideal for campus networks, data centers, and branch offices, its integrated Layer 2/Layer 3 routing, high switching capacity, and POE+ support make this switch a dependable choice for mission-critical applications.
WS-C3850-12X48U-L price is $4,472.00, a 64.2% saving from the Cisco list price of $12,500.00. WS-C3850-12X48U-L is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for WS-C3850-12X48U-L for additional pricing. Browse the full Catalyst 3850 Switches series or explore all Cisco products.
In a large university environment, the WS-C3850-12X48U-L (12 mGig + 36 Gig) UPoE LAN Base switch powers and aggregates high-density Wi-Fi 6 access points, IP cameras and environmental sensors over a single infrastructure. Outcome: Simplified cabling, scalable multi-gig backhaul and PoE++ power delivery reduce deployment time by 30%, improve wireless performance and enable real-time analytics across 200+ buildings.
A regional financial services branch leverages the WS-C3850-12X48U-L Cisco Catalyst 3850 switch to deliver secure VoIP phones, HD video conferencing and guest Wi-Fi from one chassis. Outcome: Integrated QoS, VLAN segmentation and UPoE cut hardware footprint by 40%, guarantee sub-5 ms latency for voice/video and simplify management via Cisco DNA Center.
On a manufacturing production line, the 12 mGig + 36 Gig Catalyst 3850 UPoE LAN Base switch powers PLC controllers, HMIs, AGVs and safety sensors, while providing low-latency SFP+ uplinks and network segmentation. Outcome: Zero packet loss under 1 ms forwarding, centralized power management and robust resiliency ensure 24/7 uptime and boost assembly efficiency by 25%.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| WS-C3850-12X48U-L |  WS-C3850-48PW-S |  WS-C3850-24U-S |  WS-C3850-24UW-S |  WS-C3850-24S-E | |
|---|---|---|---|---|---|
| Depth | 12.0 inches | 12.8 inches | 12 inches | 12 inches | 18.1 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.73 inches | 1.73 inches | 1.73 inches | 1.73 inches | 1.73 inches |
| IOS | LAN Lite | IP Services | IP Services | IP Services | IP Services |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 | Layer 2 / Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | WS-C3850-12X48U-L | WS-C3850-48PW-S | WS-C3850-24U-S | WS-C3850-24UW-S | WS-C3850-24S-E |
| Media Type Supported | Combo | Twisted Pair | Combo | Twisted Pair / Fiber / Combo | Fiber |
| Memory | 4 GB | 4 GB | 512 MB | 4 GB | 4 GB |
| Number of Ethernet Ports | 24–48 Ports | 24–48 Ports | 12–24 Ports | 24–48 Ports | 12–24 Ports |
| POE Support | POE+ | POE+ | Non POE | POE+ | Non POE |
| Port/Expansion Slot Details | 12 10G SFP+ uplink ports and 48 PoE+ downlink ports | 48 x 10/100/1000 PoE+ ports, 4 x 1G SFP uplink ports, stacking module | 24 x 10/100/1000 Ethernet ports and 4 x 1G SFP uplink ports; supports StackWise-480 stacking | 24 x 10/100/1000 Ethernet ports and 4 x 1G SFP uplink ports | 24 SFP data ports with 4 fixed uplink ports |
| Power Source | Fixed AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply |
| Product Name | Cisco Catalyst 3850 Series WS-C3850-12X48U-L | Cisco Catalyst 3850-48PW-S | Cisco Catalyst 3850-24U Switch | Cisco Catalyst 3850-24 Unified Wireless Switch | Cisco Catalyst 3850-24S-E |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | No | Yes | No | No |
| SFP Ports | 12 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 24 SFP Ports |
| Switching Capacity | 1280 Gbps | 128 Gbps | 128 Gbps | 128 Gbps | 128 Gbps |
| Switching Capacity with Stacking | 480 Gbps | 160 Gbps | 480 Gbps | 480 Gbps | 160 Gbps |
| Uplink Configuration | 10G | 1G | 1G | 1G | 1G |
| Weight | 25 lbs | 25 lbs | 19 lbs | 27 lbs | 25 lbs |
| Width | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches | 17.5 inches |
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
UPoE and mGig supported diverse powered devices efficiently.
LAN Base features were sufficient for our access needs.
Stable operation with strong power delivery.
Cisco hardware quality met expectations.
Good solution for mixed-speed access networks.
The WS-C3850-12X48U-L is a stackable Layer 3 enterprise switch with 12 multigigabit Ethernet ports, 36 Gigabit Ethernet ports, four 10G SFP+ uplinks, UPoE support, and the LAN Base feature set.
It provides 12 auto-negotiating 1/2.5/5/10 Gbps mGig ports, 36 1 Gbps RJ-45 ports, and four 10 Gbps SFP+ uplink ports for flexible connectivity.
Universal PoE (UPoE) supplies up to 60 W per port to support high-power devices such as PTZ cameras, LED lighting, and wireless access points.
It delivers up to 480 Gbps of switching capacity with a forwarding rate of 77.37 million packets per second using StackWise-480 technology.
LAN Base provides comprehensive Layer 2 switching, static and RIP routing, basic multicast, advanced QoS, and essential security features.
Management options include Cisco IOS CLI, web-based GUI, SNMP, Cisco Prime Infrastructure, and Cisco DNA Center for policy automation and assurance.
It supports StackWise-480, allowing up to nine switches in a single stack with 480 Gbps of bidirectional stack bandwidth for unified management.
The switch supports up to two hot-swappable AC power supplies (715 W or 1100 W), enabling N+1 redundancy for uninterrupted operation.
With two 1100 W AC power supplies installed, the switch delivers up to 2160 W of total PoE power across all ports.
LAN Base supports IPv4/IPv6 static routing and RIP; upgrading to IP Base or IP Services unlocks OSPF, EIGRP, BGP, and advanced multicast routing.
Built-in security includes 802.1X authentication, DHCP snooping, IP Source Guard, dynamic ARP inspection, and hardware-based MACsec encryption support.
Yes, it integrates with Cisco DNA Center for intent-based networking, policy automation, real-time analytics, and assurance.
The 1RU chassis measures 1.73″ × 17.5″ × 17.0″ (H × W × D) and includes rack-mount brackets for standard 19″ racks.
Operating temperature ranges from 0 °C to 40 °C with 10–85% non-condensing humidity; acoustic noise is typically under 45 dBA at normal load.
Use the Cisco IOS CLI ‘archive download-sw’ command with TFTP/FTP/SFTP or deploy images via Cisco DNA Center for In-Service Software Upgrade (ISSU).
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