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WS-C3850-48XS-S
WS-C3850-48XS-S 48SFP+ 4QSFP+ ENET PORTS W/ 750WAC PSU 1RU
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WS-C3850-48XS-S is a high-performance switch from the Cisco Catalyst 3850 Series engineered with a unified architecture that delivers both robust Layer 2 and Layer 3 functionality. It features 48 fixed 10-Gigabit SFP+ ports along with 4 dedicated 40-Gigabit uplink ports, ensuring high throughput and low latency for data-intensive environments.
WS-C3850-48XS-S provides versatile power options with the ability to support a redundant power supply, while integrated stacking via FlexStack-Plus technology simplifies scalability and enhances network resiliency. Its optimized performance and deterministic forwarding make it well-suited for enterprise campuses, data centers, and branch offices demanding converged voice, video, and data services.
WS-C3850-48XS-S price for new stock is $2,289.00, a 95.4% saving from the Cisco list price of $49,935.00. WS-C3850-48XS-S refurb price is $883.58. WS-C3850-48XS-S is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for WS-C3850-48XS-S for additional pricing. Browse the full Cisco 3850 Catalyst Switches series or explore all Cisco products.
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| WS-C3850-48XS-S |  WS-C3850-24U-L |  WS-C3850-48T-E |  WS-C3850-12XS-E | |
|---|---|---|---|---|
| Depth | 18 inches | 488 mm | 12 inches | 11 inches |
| Ethernet Technology | 10/100/1000 | Gigabit Ethernet | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 2 GB | 256 MB | 256 MB |
| Form Factor | Rack-mount | Rack-Mount 1U | Rack-mount | Rack-mount |
| Height | 1.73 inches | 44.5 mm | 1.73 inches | 1.75 inches |
| Manufacturer Part Number | WS-C3850-48XS-S | WS-C3850-24U-L | WS-C3850-48T-E | WS-C3850-12XS-E |
| Memory | 4 GB | 4 GB | 4 GB | 4 GB |
| Power Consumption | 420 W | 84.8W (excluding PoE load / C3850-NM-2-10G installed) | 335 W | 295W |
| Switching Capacity | 480 Gbps | 92 Gbps | 176 Gbps | 480 Gbps |
| Weight | 28 lbs | 7.5 kg | 31 lbs | 22 lbs |
| Width | 19 inches | 445 mm | 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.
Reviewed on the 11 July 2026
48-port SFP+ switch delivered stable 10G performance.
Reviewed on the 27 February 2024
Reliable IP Base fiber switching.
Reviewed on the 19 March 2025
Handled aggregation traffic efficiently.
Reviewed on the 15 June 2019
Cisco build quality with predictable throughput.
Reviewed on the 8 February 2019
Excellent choice for fiber-based deployments.
The Cisco Catalyst WS-C3850-48XS-S is a 1RU enterprise-class switch featuring 48 SFP+ ports, 4 QSFP+ uplinks, and a redundant 750W AC power supply designed for high-performance data center and campus deployments.
The WS-C3850-48XS-S supports 48 SFP+ fiber ports for 10 Gigabit Ethernet connectivity, plus 4 QSFP+ uplink ports for 40 Gigabit Ethernet aggregation.
This switch comes with a built-in 750W AC redundant power supply providing high availability and energy-efficient operation in mission-critical networks.
Yes, the WS-C3850-48XS-S supports Cisco StackWise-480 technology, allowing up to nine switches to be stacked and managed as a single logical unit for simplified scalability.
It runs Cisco IOS XE with full Layer 2 and Layer 3 routing, advanced QoS, multicast, security services, and NetFlow analytics for comprehensive network management.
No, the WS-C3850-48XS-S SKU does not include PoE/PoE+ capabilities; it is designed exclusively for fiber uplinks and aggregation.
This switch is ideal for data centers, enterprise campus cores, distribution layers, and high-density server aggregation requiring robust fiber connectivity.
The switch includes four fixed QSFP+ ports and supports Cisco QSFP+ modules for 40G Ethernet uplinks, ensuring seamless integration with existing fiber infrastructures.
Using Cisco StackWise-480, the WS-C3850-48XS-S delivers up to 480 Gbps of stacking bandwidth for high-speed inter-switch communication and redundancy.
Management options include Cisco DNA Center, Cisco Prime Infrastructure, CLI via SSH/Telnet, web-based GUI, and SNMP for centralized configuration and monitoring.
The switch features redundant power supplies, hot-swappable fans, and StackWise-480 stacking for seamless failover and continuous network uptime.
It uses front-to-back airflow with variable-speed fans to optimize thermal performance in rack-based and data center environments.
The WS-C3850-48XS-S comes with rack-mount brackets for standard 19-inch racks and can be deployed on top of or below other rack equipment in 1RU.
This switch provides up to 176 Gbps forwarding bandwidth with sub-microsecond latency, ensuring low-latency performance for demanding applications.
Yes, the WS-C3850-48XS-S supports in-service software upgrades (ISSU) on Cisco IOS XE, allowing non-disruptive updates for minimal downtime.
Cisco offers a limited lifetime warranty for the hardware, with optional SMARTnet service for 24/7 support, rapid replacement, and software updates.
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