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WS-C3850-24XS-S

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Cisco Catalyst 3850 10G Fiber Switch, 24x 10G SFP+ Ports, Stackable, IP Base
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WS-C3850-24XS-S

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Cisco Catalyst 3850 10G Fiber Switch, 24x 10G SFP+ Ports, St...

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WS-C3850-24XS-S Overview

WS-C3850-24XS-S is a managed Layer 3 Cisco switch for 10G fiber access and aggregation, built with 24 fixed 1/10G SFP+ ports and an empty modular uplink bay. The bay accepts Catalyst 3850 network modules for SFP, SFP+, or QSFP uplink expansion, so the chassis should be ordered with the required module rather than treated as having fixed uplinks. This Non-PoE 1U rack-mount platform belongs to the Cisco Catalyst 3850 Series and ships with the IP Base software image. Its fixed downlink design separates access and server fiber connectivity from uplink module selection, which helps refresh projects reuse optics while planning distribution capacity. The closest software sibling, WS-C3850-24XS-E, uses the IP Services feature set instead of IP Base while keeping the same 24 SFP+ port class and 715WAC power supply class.

640 Gbps switching capacity supports dense fiber aggregation from access switches, security appliances, storage interfaces, and server-facing links. 454.55 Mpps forwarding rate keeps packet handling aligned with the 24-port 10G SFP+ hardware profile. OSPF for routed access and Policy-Based Routing give the IP Base image practical Layer 3 control at the enterprise access layer, while Flexible NetFlow adds traffic visibility for wired and wireless flows. WS-C3850-24XS-S includes 4 GB DRAM, 4 GB flash, 32,000 MAC address entries, and 1,000 switched virtual interfaces for campus segmentation. Cisco IOS XE management uses CLI workflows and Cisco Prime Infrastructure for provisioning, monitoring, and configuration templates. USB console and USB storage ports support local access during staging and recovery. AES-256 MACsec support on SFP+ models secures link encryption where policy requires authenticated traffic between switches or endpoints. 205.5W maximum tested standalone power consumption applies in the documented high-traffic table scenario, and the 100-240V AC input range supports standard data-room power feeds.

In deployment, the switch sits in enterprise access, distribution handoff, or server-access positions where SFP+ optics connect upstream switches, routers, firewalls, storage platforms, and virtualization hosts over fiber. StackWise-480 creates a single managed stack of up to nine Catalyst 3850 switches, and the 1U chassis keeps each member to one rack unit in repeated cabinet builds. ORM Systems supplies WS-C3850-24XS-S in new and certified refurbished condition, with refurbishment checks focused on SFP+ port operation, power-supply health, fan status, module recognition, and IOS XE readiness. Buyers can request pricing for chassis-only or configured bundles with optics, uplink modules, and stacking cables, while enterprise and volume orders receive matched-condition sourcing for multi-site rollouts. Project buyers can align warranty terms, accessory packs, shipment batches, and installation windows before rollout.

WS-C3850-24XS-S price is $1,350.00, a 96.8% saving from the Cisco list price of $42,720.00. WS-C3850-24XS-S is in stock and available for next-day dispatch. (terms applied)

Request bulk order quote for WS-C3850-24XS-S for additional pricing. Browse the full Catalyst 3850 Switches series or explore all Cisco products.

WS-C3850-24XS-S Specifications

Product Type
Network Switch
Manufacturer Part Number
WS-C3850-24XS-S
Brand
Cisco
Series
Cisco Catalyst 3850 Series
Use Case
Enterprise Access
Management Type
Managed
Software Image
IP Base
Layer
Layer 3
Ethernet Technology
10 Gigabit Ethernet
Port Count
24 Ports
Power Source
AC
SFP+ Ports
24 x 10GbE
Uplink Type
Modular (module sold separately)
Uplink Module Options
SFP, SFP+, QSFP
PoE Support
Non-PoE
Switching Capacity
640 Gbps
Stacked Switching Capacity
480 Gbps
Media Type Supported
Fiber
Forwarding Rate
454.55 Mpps
MAC Table Size
32000 Entries
Memory
4 GB DRAM / 4 GB Flash
Stackable
Yes - max 9 Units
Form Factor
Rack-Mount 1U
Rack Units
1U
Input Voltage
100-240V AC
Power Consumption
205.5W
Redundant PSU
Optional
Operating Temperature
-5°C to 45°C
Certifications
UL 60950-1 / CAN/CSA-C22.2 No. 60950-1 / EN 60950-1 / IEC 60950-1 / FCC Part 15 Class A / ICES-003 Class A / CE Marking / RoHS
Height
44.5 mm
Width
445 mm
Depth
450 mm
Weight
6.1 kg

WS-C3850-24XS-S Use Case

10G Fiber Access Aggregation

Network teams place WS-C3850-24XS-S in a fiber access aggregation layer where remote access switches, firewall pairs, routers, and service appliances hand off 10G SFP+ links. Engineers map the 24 SFP+ ports into VLAN trunks, routed interfaces, or EtherChannel groups according to the upstream distribution design. The IP Base image supports routed access and Flexible NetFlow while the 715WAC chassis occupies one rack unit. The result is a compact 10G aggregation point with predictable fiber handoff, cleaner uplink design, and clear operational ownership.

Stacked Distribution Block

Engineers deploy multiple WS-C3850-24XS-S switches as a StackWise-480 distribution block when a site needs more than 24 SFP+ ports under one management plane. The stack presents Catalyst 3850 IP Base members as one switching unit, with an active switch coordinating configuration, forwarding, and uplink policy. Network teams standardize IOS XE releases, StackWise cabling, power modules, and fiber optics before adding members. The result is scalable 10G distribution capacity without separate management domains for each chassis during daily operations and incident response.

Server Access Handoff

WS-C3850-24XS-S sits at the server access layer and terminates 10G SFP+ links from rack servers, virtualization hosts, storage interfaces, and upstream aggregation switches. Engineers place server VLANs, routed SVIs, QoS markings, and monitoring exports on the Catalyst 3850 IP Base platform while reserving the network module slot for planned uplink expansion. The 640 Gbps switching capacity and 454.55 Mpps forwarding rate support dense 10G east-west traffic. The result is a contained server access fabric with consistent Cisco IOS XE operations.

Product Comparison Table

Cisco Catalyst 3850 24 Port 10G Fiber Switch IP BaseWS-C3850-24XS-SCisco Catalyst 3850 48 Port UPOE IP ServicesWS-C3850-48U-ECisco Catalyst 3850 24 Port Data IP ServicesWS-C3850-24T-ECisco Catalyst 3850 24 Port Data IP BaseWS-C3850-24T-S
Depth450 mm17.5 inches16.1 inches15.2 inches
Ethernet Technology10 Gigabit Ethernet10/100/100010/100/100010/100/1000
Form FactorRack-Mount 1URack-mountRack-mountRack-mount
Height44.5 mm1.75 inches1.73 inches1.73 inches
Manufacturer Part NumberWS-C3850-24XS-SWS-C3850-48U-EWS-C3850-24T-EWS-C3850-24T-S
Media Type SupportedFiberTwisted PairTwisted PairTwisted Pair
Memory4 GB DRAM / 4 GB Flash4 GB512 MB4 GB
Power Consumption205.5W370 W155W370.56 W
Power SourceACRedundant Power SupplyAC Power SupplyAC Power Supply
Product TypeNetwork SwitchSwitchSwitchSwitch
Rack Units1U1 RU1 RU1 RU
Switching Capacity640 Gbps176 Gbps160 Gbps128 Gbps
Weight6.1 kg34 lbs16.5 lbs26 lbs
Width445 mm19 inches17.5 inches17.2 inches

Compliance & Warranty

ISO 27001
ISO 45001
RoHS
REACH
FCC
CE
UKCA
VCCI
ISO 9001
ISO 14001

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Reviews & Ratings

E
Ehsan Whitfield
5

10G fiber access switch delivered consistent throughput.

F
Fahad Knox
5

Reliable IP Base switching for high-speed access.

G
Gavin Suleman
4

Smooth integration into existing Cisco environments.

H
Haris Dalton
5

Enterprise-ready with predictable performance.

I
Ibrahim Stone
5

Excellent choice for fiber-based deployments.

Questions & Answers

What is the Cisco WS-C3850-24XS-S?

The Cisco WS-C3850-24XS-S is a Catalyst 3850 stackable 10G fiber switch with 24 SFP+ Ethernet ports, a 715WAC power supply, 1RU form factor, and the IP Base feature set. It fits enterprise access, distribution, aggregation, and server access designs where 10G fiber handoff and StackWise operation are required.

What does the WS-C3850-24XS-S model number mean?

WS-C3850-24XS-S identifies a Cisco Catalyst 3850 switch with 24 SFP+ ports and the IP Base software feature set. In this family, XS marks 10G SFP+ fiber connectivity, 24 identifies the base port count, and the final S indicates IP Base rather than the IP Services feature set used by the WS-C3850-24XS-E.

Is WS-C3850-24XS-S a switch, router, or transceiver?

WS-C3850-24XS-S is a managed Ethernet switch, not a router or standalone optical transceiver. The chassis accepts SFP+ transceivers in its 24 10G SFP+ ports and supports routed access features through Cisco IOS XE with the IP Base image. It is purchased as a complete Catalyst 3850 switching platform for rack deployment.

Where does WS-C3850-24XS-S sit in the Cisco Catalyst lineup?

WS-C3850-24XS-S sits in the Cisco Catalyst 3850 Series, an enterprise stackable switching family positioned before the newer Catalyst 9300 generation. Within the fiber models, it sits above 12-port SFP+ options such as WS-C3850-12XS-S and below higher-density 48XS models that add 48 SFP+ ports and fixed QSFP+ uplinks.

How many ports does WS-C3850-24XS-S have?

WS-C3850-24XS-S has 24 SFP+ Ethernet ports that support up to 10G SFP+ operation. The hardware installation guide also lists one network module slot on this model, allowing designs to add supported Catalyst 3850 network modules where the deployment requires extra uplink capacity or different uplink speeds.

What switching capacity and forwarding rate does WS-C3850-24XS-S provide?

WS-C3850-24XS-S belongs to the 24-port 10 Gigabit Ethernet SFP+ Catalyst 3850 model class, which Cisco lists with 640 Gbps switching capacity and 454.55 Mpps forwarding rate. Those figures make the switch suitable for dense 10G fiber aggregation, routed access, and server access designs that need predictable packet handling.

Does WS-C3850-24XS-S provide PoE?

No, WS-C3850-24XS-S does not provide PoE because its access interfaces are SFP+ fiber ports rather than copper RJ-45 access ports. The 715WAC power supply supports the switch hardware platform, not endpoint power delivery. Buyers needing powered copper ports usually compare Catalyst 3850 PoE models such as WS-C3850-24P-S or WS-C3850-48P-S.

What Layer 2 and Layer 3 features are associated with the IP Base image?

The IP Base feature set on WS-C3850-24XS-S provides enterprise access Layer 3 switching features, including routed access, 1K VLAN support, Flexible NetFlow, and smart operations capabilities listed by Cisco for Catalyst 3850 IP Base. Advanced enterprise routing features such as full OSPF, EIGRP, BGP, PIM, and VRF-Lite require IP Services.

How is WS-C3850-24XS-S managed?

WS-C3850-24XS-S runs Cisco IOS XE and is managed through standard Catalyst switching workflows, including CLI, console access, USB console, SNMP-based monitoring, and compatible Cisco management platforms. In stacked operation, StackWise elects an active switch and presents the stack as a single switching unit, simplifying configuration and operational visibility.

Does WS-C3850-24XS-S support stacking?

Yes, WS-C3850-24XS-S supports Cisco StackWise-480 stacking. Cisco lists 480 Gbps stack bandwidth for Catalyst 3850 models that support StackWise-480, and the stack operates as one switching unit under an elected active member. This makes the SKU useful where multiple 10G fiber switches must be administered together.

What is WS-C3850-24XS-S commonly used for?

WS-C3850-24XS-S is commonly used for 10G fiber access, distribution handoff, aggregation, and server access roles. Its 24 SFP+ ports suit fiber-connected switches, uplinks, firewalls, routers, storage interfaces, and server NICs. StackWise-480 also supports multi-switch closet or aggregation blocks under one management plane with simplified Catalyst operations.

What size environment fits WS-C3850-24XS-S best?

WS-C3850-24XS-S fits small to midsize enterprise aggregation points, campus fiber closets, and data rooms that need 24 fixed 10G SFP+ ports per rack unit. It is especially useful when a site has outgrown 1G fiber aggregation but does not need the 48-port density of WS-C3850-48XS-S.

What workloads suit WS-C3850-24XS-S?

WS-C3850-24XS-S suits workloads that require 10G Ethernet links across fiber, including access-to-distribution uplinks, virtualized server clusters, storage network handoff, firewall aggregation, and collapsed core designs. The 640 Gbps switching capacity and 454.55 Mpps forwarding rate support high-throughput east-west and north-south traffic patterns within the Catalyst 3850 platform.

Is WS-C3850-24XS-S suitable for a stacked deployment?

WS-C3850-24XS-S is suitable for a stacked deployment when the network standardizes on Catalyst 3850 IP Base fiber models and plans StackWise-480 cabling, software versions, power modules, and uplink modules together. Mixed stacks must follow Cisco software feature-set rules because LAN Base, IP Base, and IP Services stacks have compatibility restrictions.

Which optical modules work with WS-C3850-24XS-S?

WS-C3850-24XS-S uses SFP+ ports for 10G fiber connectivity, so deployments normally pair it with Cisco-compatible 10G SFP+ transceivers that match the required reach and fiber plant, such as SR for multimode links or LR for single-mode links where supported by the platform. Compatibility should be checked against Cisco transceiver support matrices and IOS XE release notes.

Which network modules are associated with WS-C3850-24XS-S?

Cisco lists Catalyst 3850 network module options including C3850-NM-4-1G, C3850-NM-2-10G, C3850-NM-4-10G, C3850-NM-8-10G, and C3850-NM-2-40G. The WS-C3850-24XS-S hardware guide identifies one network module slot, so the selected module should match the required uplink speed, optics, upstream switch design, cabling plan, and spare-module policy for the rack.

Can WS-C3850-24XS-S integrate with Cisco wireless features?

WS-C3850-24XS-S integrates with Catalyst 3850 wireless controller functions through Cisco IOS XE and the IP Base feature set. Cisco notes that IP Base includes wireless controller functionality in mobility agent mode, while mobility controller mode requires access point licensing. This matters in converged access designs using supported Aironet access point series.

Which protocols and standards matter for WS-C3850-24XS-S integration?

WS-C3850-24XS-S integrates through Ethernet, 10G SFP+ optics, VLAN trunking, routing, QoS, SNMP monitoring, Flexible NetFlow, and Cisco StackWise-480. With IP Base, it supports routed access and OSPF for routed access, while advanced protocols such as BGP, IS-IS, and full OSPF point buyers toward IP Services models.

How does WS-C3850-24XS-S compare with WS-C3850-24XS-E?

WS-C3850-24XS-S and WS-C3850-24XS-E share the same 24 SFP+ port count, 715WAC power supply class, 1RU form factor, and stackable Catalyst 3850 fiber chassis design. The key difference is software: WS-C3850-24XS-S ships with IP Base, while WS-C3850-24XS-E ships with IP Services for advanced enterprise Layer 3 features.

How does WS-C3850-24XS-S compare with WS-C3850-12XS-S?

WS-C3850-24XS-S doubles the base SFP+ density compared with WS-C3850-12XS-S. Cisco lists WS-C3850-12XS-S as a stackable 12 SFP+ Ethernet port IP Base model with a 350WAC power supply, while WS-C3850-24XS-S provides 24 SFP+ Ethernet ports and a 715WAC power supply for larger 10G fiber blocks and aggregation closets.

How does WS-C3850-24XS-S compare with WS-C3850-32XS-S?

WS-C3850-32XS-S is a bundle based on the 24-port SFP+ Catalyst 3850 model with a C3850-NM-8-10G network module, giving 32 SFP+ ports. WS-C3850-24XS-S is the base 24-port IP Base switch. Buyers choose the 32XS bundle when the design already requires the extra 8 x 10G network module capacity.

How does WS-C3850-24XS-S compare with WS-C3850-48XS-S?

WS-C3850-48XS-S provides higher standalone density with 48 SFP+ ports and 4 QSFP+ Ethernet ports, while WS-C3850-24XS-S provides 24 SFP+ ports in a stackable Catalyst 3850 design. Cisco notes that WS-C3850-48XS switches do not support StackWise-480, so the 24XS model suits stacked 10G fiber blocks better.

What affects the WS-C3850-24XS-S price?

WS-C3850-24XS-S price is affected by condition, tested configuration, included power supplies, fans, network module selection, optics, stacking accessories, warranty term, and order quantity. Refurbished units usually price differently from new surplus or unused stock. Buyers should request a quote for the exact bundle rather than compare bare chassis pricing only.

Is WS-C3850-24XS-S available new or refurbished?

WS-C3850-24XS-S is commonly sourced through reseller channels as refurbished, used, or limited new surplus equipment because the Catalyst 3850 Series is no longer sold new by Cisco. Availability changes by stock position, tested condition, accessory bundle, and regional demand, so buyers should confirm current lead time before planning a deployment date.

Is WS-C3850-24XS-S end of sale or end of life?

WS-C3850-24XS-S belongs to the Cisco C3850 fiber SKU group that reached Cisco end of sale on April 30, 2022, with Cisco support dates extending to April 30, 2027 for the series listing. It remains a viable secondary-market option when lifecycle status, software policy, and security requirements fit the network standard.

What lead time should buyers expect for WS-C3850-24XS-S?

WS-C3850-24XS-S lead time depends on current refurbished or surplus stock, testing queue, accessory requirements, and shipping destination. Orders that include specific optics, C3850 network modules, StackWise cables, or matched software versions often need extra preparation time. Bulk projects should reserve units early to avoid split shipments across different hardware batches.

Are bulk discounts available for WS-C3850-24XS-S?

Bulk discounts are often available for WS-C3850-24XS-S when a buyer needs multiple switches, matched configurations, or repeat rollouts across several sites. Pricing normally improves when condition, warranty term, accessory bundle, and shipment schedule are agreed upfront. A volume quote should specify every chassis, network module, power supply, fan, optic, and stacking cable requirement.

What warranty applies to WS-C3850-24XS-S from ORM Systems?

ORM Systems warranty coverage for WS-C3850-24XS-S depends on condition, configuration, and quoted warranty term. Product-page copy for comparable enterprise switching hardware commonly references new and refurbished options with up to a 3-year warranty where applicable. Buyers should match the warranty term to the deployment role, lifecycle risk, and internal support requirements.

How is a refurbished WS-C3850-24XS-S tested before dispatch?

A refurbished WS-C3850-24XS-S should be tested for boot status, IOS XE image readiness, port operation across SFP+ interfaces, management access, fan and power supply health, module recognition, and basic switching behavior before dispatch. Testing is especially important when the order includes C3850 network modules, optics, StackWise cables, or matched multi-unit stacks.

Which certifications or compliance standards are relevant to WS-C3850-24XS-S?

WS-C3850-24XS-S follows the regulatory and standards compliance published for the Cisco Catalyst 3850 Series, including Ethernet standards, safety, emissions, and environmental compliance categories listed in Cisco documentation. For controlled environments, buyers should request the exact compliance documentation needed for procurement, audit, or data-center installation records.

How is WS-C3850-24XS-S configured for first use?

WS-C3850-24XS-S is configured through Cisco IOS XE using console or management access. First-use work normally includes confirming the software image and license level, setting management IP, hostname, AAA, VLANs, trunks, routing interfaces, NTP, SNMP, logging, and port descriptions. Stacked deployments also require StackWise cabling and member priority planning before production cutover.

Does WS-C3850-24XS-S require additional licences or software?

WS-C3850-24XS-S ships as an IP Base model, so additional licensing is only required when the deployment needs features beyond that image, access point licensing for mobility controller roles, or a feature-set upgrade. Cisco lists RTU upgrade options such as C3850-24-S-E and L-C3850-24-S-E for moving 24-port IP Base switches to IP Services.

What accessories or prerequisites are needed for WS-C3850-24XS-S?

WS-C3850-24XS-S deployments usually require compatible SFP+ optics or DACs, fiber patching, rack rails, power cords, console access, and any selected Catalyst 3850 network module. Stacked designs also need StackWise-480 cables and compatible Catalyst 3850 IP Base members. Buyers should verify airflow, IOS XE release, optics support, and upstream port speeds before installation.

Where can buyers purchase WS-C3850-24XS-S in the UK?

Buyers in the UK can purchase WS-C3850-24XS-S through ORM Systems for enterprise networking projects that need Cisco Catalyst 3850 fiber switching hardware. A quote should include condition preference, warranty term, lead time, delivery address, accessory requirements, and any request for matched serial batches or preconfigured software levels.

Does ORM Systems ship WS-C3850-24XS-S internationally?

ORM Systems can support international purchasing discussions for WS-C3850-24XS-S where export, carrier, destination, and warranty terms are confirmed during quotation. International buyers should specify the delivery country, required incoterms, power cord type, documentation needs, and whether the order includes optics, network modules, or stacking accessories that may affect shipping preparation.