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WS-C3850-16XS-S
Cisco WS-C3850-16XS-S Catalyst 3850 12-Port 10 Gigabit Ether...
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WS-C3850-16XS-S is a managed Layer 3 fiber switch with 12 fixed 10G SFP+ ports and four additional 10G interfaces on the included C3850-NM-4-10G module. The 16-port designation describes the complete bundle, not 16 fixed ports. IP Base is included. The discontinued WS-C3850-12XS-S supplies the underlying 12-port configuration without that bundled module.
WS-C3850-16XS-S price for new stock is $11,836.65. WS-C3850-16XS-S refurb price is $624.75. WS-C3850-16XS-S is in stock and available for free next-day delivery. (terms applied)
Request bulk order quote for WS-C3850-16XS-S for additional pricing. Browse the full Cisco 3850 Catalyst Switches series or explore all Cisco products.
320 Gbps switching capacity and 227.28 Mpps forwarding rate support fiber aggregation. WS-C3850-16XS-S provides 4 GB DRAM and 4 GB flash. Routed-access OSPF is available, but full BGP requires IP Services.
WS-C3850-16XS-S is offered new sealed or certified refurbished; refurbished units are inspected and bench-tested, with rated-speed port links, optics bay recognition, module bay recognition, stack adapter negotiation, PSU status, fan status and clean boot checked, plus firmware verification and configuration wiping to factory default. Specify condition and quantity on the PO: new units carry up to a 3-year extended ORM warranty, certified refurbished units up to 1 year, and every condition has 30-day returns; terms apply. PO accepted, Net-30 for government and RMA with advance replacement support enterprise and volume orders, with regional stock and RMA across UK, EU, US and MEA.
| Key Specs | Key Spec Values |
|---|---|
Operating System | Cisco IOS XE |
License Tier | IP Base |
Port Configuration | 12 x 10G SFP+ / 4 x 10G C3850-NM-4-10G |
Stacking | StackWise-480 / nine members |
Lifecycle Status | End of sale April 30 2022 |
Replacement PID | C9300X-12Y |
In a virtualized data center hosting mission-critical applications, the WS-C3850-16XS-S 16-port 10G fiber switch acts as a top-of-rack aggregator, delivering wire-rate east-west connectivity between hypervisors and storage arrays. Outcome: Integrated StackWise-480, QoS prioritization, and IP Base routing optimize VM mobility and application latency, boosting throughput by up to 30%.
In a large enterprise campus deploying 802.11ax Wi-Fi 6 access points, the Catalyst 3850 16-port 10G fiber switch consolidates uplinks from AP clusters and wireless controllers into the core. Outcome: High-speed fiber connectivity, advanced traffic shaping, and static routing support deliver seamless wireless scalability and reduce network congestion by up to 40%.
In multi-building facilities requiring 4K IP camera coverage, the WS-C3850-16XS-S aggregates high-definition video streams over 10G fiber to centralized NVR servers. Outcome: Loss-free video capture, secure VLAN segmentation, and RIP-backed redundancy ensure reliable 24/7 monitoring and cut forensic analysis time by 50%.
When retaining this hardware for an SD-Access deployment, an IP Base entitlement combined with Cisco DNA Advantage limits segmentation to three virtual networks. Establish the required segmentation count before approving the hardware order, and identify the associated software entitlements separately on the purchase order.
When purchasing replacement stock for an installed fleet, account for the April 30, 2022 hardware end-of-sale milestone. New sealed and certified refurbished conditions are offered. Identify the required condition, replacement quantities and destination sites before issuing the purchase order for spares.
25G fiber endpoint connections
The fixed interfaces stop at 10G. The current C9300X-12Y provides 12 native 25G-capable fiber ports, rather than this bundle's 16 total 10G interfaces.
Full BGP routing as shipped
The included IP Base entitlement excludes full BGP routing. That feature requires IP Services rather than the software tier supplied with this configuration.
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| WS-C3850-16XS-S |  WS-C3850-48W-S |  WS-C3850-24U-E |  WS-C3850-12XS-E | |
|---|---|---|---|---|
| Ethernet Technology | 10 Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | 10 Gigabit Ethernet |
| Flash Memory | 4 GB | 2 GB | 2 GB | 4 GB |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U |
| Height | 44.5 mm | 44.5 mm | 44.5 mm | 44.5 mm |
| Manufacturer Part Number | WS-C3850-16XS-S | WS-C3850-48W-S | WS-C3850-24U-E | WS-C3850-12XS-E |
| Memory | 4 GB | 4 GB | 4 GB | 4 GB |
| Switching Capacity | 320 Gbps | 176 Gbps | 92 Gbps | 320 Gbps |
| Width | 445 mm | 445 mm | 445 mm | 445 mm |
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 90 days, for dependable protection on every order. The exact term is confirmed on your quote, order confirmation and invoice.
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.
Same-day dispatch from regional hubs, free next-day delivery*, fully tracked and insured.
Reviewed on the 29 January 2018
Reliable LAN Base features for enterprise environments.
Reviewed on the 28 January 2022
Handled peak traffic without performance drops.
Reviewed on the 14 January 2018
Cisco stability with compact fiber density.
Reviewed on the 5 March 2026
Ideal for access or aggregation roles.
Reviewed on the 9 March 2019
16-port 10G fiber switch provided consistent high-speed access.
WS-C3850-16XS-S identifies a Catalyst 3850 configuration: WS-C3850 is the switch family, 16XS denotes the 16-interface SFP+ bundle, and the final S selects IP Base. Twelve interfaces are fixed; four come from the included C3850-NM-4-10G module.
WS-C3850-16XS-S supports console CLI, SSH, Telnet, SNMPv1, SNMPv2c, SNMPv3 and Cisco Prime Infrastructure management. Cryptographic SSH and SNMPv3 functions require the appropriate cryptographic software image.
Yes, WS-C3850-16XS-S reached end of sale on April 30, 2022. Its last date of Cisco support is April 30, 2027, subject to applicable entitlement. New-service attachment ended April 30, 2023, and service-contract renewals ended July 29, 2026.
ORM offers WS-C3850-16XS-S new sealed with up to a 3-year extended warranty, or certified refurbished with up to 1 year. Returns are 30 days for every condition; terms apply. Cisco's Enhanced Limited Lifetime Warranty has original-owner conditions, with Cisco service ending April 30, 2027.
WS-C3850-16XS-S includes perpetual IP Base licensing. Cisco DNA Advantage and Cisco DNA Premier are separate optional subscription paths with a three-year minimum term. The subscription does not replace the base network entitlement; IP Base with Cisco DNA Advantage limits SD-Access to three virtual networks.
Yes, WS-C3850-16XS-S includes C3850-NM-4-10G, adding four 10G interfaces to the 12 fixed SFP+ ports. The complete configuration therefore has 16 interfaces; the uplink bay is not empty.
StackWise-480 stacks nine Catalyst 3850 members. Compatible cable spares are STACK-T1-50CM=, STACK-T1-1M= and STACK-T1-3M=. Stack members must use matching software feature levels.
WS-C3850-16XS-S bundles C3850-NM-4-10G with the 12-port base; WS-C3850-12XS-S does not include that module. Both are discontinued. The bundle addresses a 16-interface requirement, while the base configuration provides 12 fixed interfaces.
WS-C3850-16XS-S includes IP Base, whereas WS-C3850-16XS-E includes IP Services. Both are discontinued. IP Base addresses routed access; IP Services adds advanced routing, including full OSPF, EIGRP and BGP.
WS-C3850-16XS-S provides 10G fiber interfaces, whereas the current C9300X-12Y provides 12 native 25G/10G/1G fiber ports. C9300X-12Y is the named successor. The discontinued configuration fits existing 10G requirements; the successor addresses native 25G connections and requires separate uplink configuration.
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