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WS-C3850-24P-S
Cisco WS-C3850-24P-S Catalyst 3850 24-Port Gigabit PoE+ Swit...
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WS-C3850-24P-S is an enterprise stackable access switch with 24 10/100/1000 PoE+ downlinks, an empty modular uplink bay, and the IP Base feature set. The Catalyst 3850 runs as a Layer 3 access platform for wired endpoints, phones, cameras, and access points that need 1G copper with shared PoE+ delivery. The uplink bay accepts C3850-NM-4-1G or C3850-NM-2-10G, so uplink speed is decided by the ordered module rather than the base chassis. This 24-port Gigabit PoE+ access switch with a modular uplink bay sits in the Cisco Catalyst 3850 Series and uses StackWise-480 for unified stack operation. WS-C3850-24T-S keeps the same 24-port IP Base access role but removes PoE+ and ships with a PWR-C1-350WAC power supply.
WS-C3850-24P-S price for new stock is $1,569.75, a 78.5% saving from the Cisco list price of $7,300.00. WS-C3850-24P-S refurb price is $121.80. WS-C3850-24P-S is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for WS-C3850-24P-S for additional pricing. Browse the full Cisco 3850 Catalyst Switches series or explore all Cisco products.
92 Gbps switching capacity and 68.4 Mpps forwarding support 24-port Gigabit access with a C3850-NM-2-10G uplink module installed. 435W of available PoE power is shared across the powered ports from the shipped PWR-C1-715WAC supply; adding a PWR-C1-1100WAC as the secondary supply raises the published PoE budget to 1535W. Static, RIPv1, RIPv2, RIPng, EIGRP Stub, OSPF for routed access, and PBR are available under IP Base, while full OSPF, EIGRP, BGPv4, IS-ISv4, VRF-Lite, and PIM require IP Services. WS-C3850-24P-S uses the Cisco Unified Access Data Plane ASIC with 4 GB DRAM, 2 GB flash, 32000 MAC entries, 24000 IPv4 routes, 1000 SVIs, and 4000 VLAN IDs. CLI access, Telnet stack management, SNMP MIBs, RJ-45 console, USB mini-Type B console, and a 10/100/1000 Ethernet management port cover administration.
WS-C3850-24P-S is available from ORM Systems in new sealed and certified refurbished condition, with PO accepted, Net-30 for government, RMA with advance replacement, and regional stock or RMA coverage across the UK, EU, US, and MEA. Certified refurbished units are inspected and bench-tested; managed units are firmware verified and wiped to factory default, with power-on and POST, every port linking at rated speed, PoE output verified under load, module bay recognition, stack adapter negotiation, PSU status, and fan status checked. Add the selected C3850-NM-4-1G or C3850-NM-2-10G uplink module, STACK-T1-50CM=, STACK-T1-1M=, or STACK-T1-3M= stack cables, power cords, and spares to the same PO. New units qualify for up to a 3-year extended ORM warranty, certified refurbished units for up to 1 year, and every condition has 30-day returns; terms apply.
| Key Specs | Key Spec Values |
|---|---|
Operating System | Cisco IOS XE |
License Tier | IP Base |
Port Configuration | 24 x 1G PoE+, modular uplink bay |
PoE Budget | 435W / 1535W with PWR-C1-1100WAC |
Stacking | StackWise-480, 9 members |
Lifecycle Status | Support ended 31 October 2025 |
In a large university campus environment, IT teams deploy the WS-C3850-24P-S Cisco Catalyst 3850 24 Port PoE IP Base switch to power and manage over 100 Wi-Fi 6 access points via a single stacked fabric. Leveraging Cisco StackWise-480 and advanced QoS, the solution delivers seamless roaming, centralized policy enforcement, and up to 370W PoE budget for reliable AP operation. Outcome: Simplified network management, 40% faster wireless performance, and scalable growth without additional rack space.
A nationwide retail chain integrates digital price tags, customer-analytics sensors and interactive kiosks using the WS-C3850-24P-S switch as the PoE backbone. With 24 RJ-45 PoE+ ports, intelligent power allocation, and Cisco IOS XE IP Base features, stores achieve real-time price updates, in-aisle analytics, and secure segmentation between POS and guest Wi-Fi. Outcome: 30% reduction in manual shelf updates, enhanced shopper insights, and centralized SD-Access policy control.
In a multi-tenant office tower, facilities teams deploy the WS-C3850-24P-S Catalyst 3850 switch to power IP cameras, door controllers, and badge readers across four floors. Utilizing Cisco StackPower and embedded mGig uplinks, the switch supports high-resolution video streams and secure VLAN segmentation over existing copper cabling. Outcome: 24/7 video availability, 50% faster incident response, and converged security infrastructure managed through Cisco DNA Center.
Replacing WS-C3750X-24P-S keeps the order in a 24-port PoE IP Base access profile while moving to Catalyst 3850 hardware. Specify the required uplink module, because the base chassis has one empty network module slot and no fixed SFP uplinks.
Phone, camera, and access point refreshes should be checked against the shared 435W PoE budget. Twenty-four PoE+ ports at 30W equal 720W, so list expected powered-device draw and add the secondary PWR-C1-1100WAC only when the higher PoE budget is required.
A closet standardizing on IP Base Catalyst 3850 members can add this model to a StackWise-480 stack of nine switches. Keep LAN Base, IP Base, and IP Services members out of the same stack and order STACK-T1-50CM=, STACK-T1-1M=, or STACK-T1-3M= cables.
Full 24-port PoE+ draw
The 435W PoE budget is below 24 x 30W, so this chassis cannot allocate maximum PoE+ to every access port simultaneously.
Four 10G uplinks
The 24-port PoE model accepts C3850-NM-4-1G or C3850-NM-2-10G, not C3850-NM-4-10G; the 48-port PoE line allowed C3850-NM-4-10G and maps forward to C9300-48P-A.
Active Cisco hardware service
Cisco hardware support for the affected Catalyst 3850 hardware ended 31 October 2025. C9300-24P-A is the named successor for a current 24-port PoE+ Network Advantage purchase.
Full IP Services routing
IP Base includes OSPF for routed access but not full OSPF, EIGRP, BGPv4, IS-ISv4, VRF-Lite, or PIM. The discontinued WS-C3850-24P-E maps forward to C9300-24P-A.
Mon–Fri: [09:00-16:00]
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| WS-C3850-24P-S |  WS-C3850-16XS-E |  WS-C3850-24XU-L |  WS-C3850-48XS-S | |
|---|---|---|---|---|
| Depth | 450 mm | 12.8 inches | 488 mm | 18 inches |
| Ethernet Technology | Gigabit Ethernet | 10/100/1000 | Multi-Gigabit (2.5G/5G) | 10/100/1000 |
| Flash Memory | 2 GB | 256 MB | 2 GB | 256 MB |
| Form Factor | Rack-Mount 1U | Rack-mount | Rack-Mount 1U | Rack-mount |
| Height | 44.5 mm | 1.75 inches | 44.5 mm | 1.73 inches |
| Manufacturer Part Number | WS-C3850-24P-S | WS-C3850-16XS-E | WS-C3850-24XU-L | WS-C3850-48XS-S |
| Memory | 4 GB | 512 MB | 4 GB | 4 GB |
| Power Consumption | 523.32W | 370 W | 248.1W (100% traffic / no PoE load / C3850-NM-8-10G installed) | 420 W |
| Switching Capacity | 92 Gbps | 320 Gbps | 640 Gbps | 480 Gbps |
| Weight | 7.4 kg | 25 lbs | 8 kg | 28 lbs |
| Width | 445 mm | 17.5 inches | 445 mm | 19 inches |
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dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviewed on the 22 October 2023
PoE support powered devices reliably across all ports.
Reviewed on the 25 June 2026
Stable IP Base performance in busy access layer.
Reviewed on the 7 May 2024
Ideal for offices using VoIP and wireless.
Reviewed on the 22 March 2023
Consistent power delivery and switching performance.
Reviewed on the 4 August 2017
Dependable Cisco PoE solution.
WS-C3850-24P-S identifies a Catalyst 3850 switch: WS-C3850 is the platform prefix, 24P is the 24-port PoE configuration, and S is the IP Base feature set. The SKU carries 24 10/100/1000 Ethernet PoE+ ports, a PWR-C1-715WAC supply, and 1U stackable hardware.
WS-C3850-24P-S is managed through Cisco IOS XE CLI access, Telnet stack management, SNMP MIB-based management, the RJ-45 console, the USB mini-Type B console, and the 10/100/1000 Ethernet management port. The stack operates as one switching unit with a single management IP address.
WS-C3850-24P-S is end of sale and Cisco hardware support ended on 31 October 2025. The hardware end-of-sale date was 30 October 2020, and the named replacement is C9300-24P-A, described as a Catalyst 9300 24-port PoE+ Network Advantage switch.
ORM Systems offers WS-C3850-24P-S in new sealed and certified refurbished condition. Cisco E-LLW originally applied to the platform, but Cisco support ended 31 October 2025. ORM warranty options are up to 3 years on new units and up to 1 year on certified refurbished units, with 30-day returns; terms apply.
Catalyst 3850 supports LAN Base, IP Base, and IP Services feature sets through RTU software activation. WS-C3850-24P-S ships with IP Base, and 24-port upgrades were available through C3850-24-S-E or L-C3850-24-S-E to IP Services. Access point controller mode used separate LIC-CT3850-UPG or LIC-CTIOS-1A licensing.
WS-C3850-24P-S is named as the replacement for WS-C3750X-24P-S, a Catalyst 3750X 24 Port PoE IP Base switch. That predecessor reached last date of support on 31 October 2021, so refresh purchases should be evaluated against the WS-C3850-24P-S lifecycle and the C9300-24P-A successor.
WS-C3850-24P-S provides 435W of available PoE power with the shipped PWR-C1-715WAC supply. Each copper access port supports PoE+ up to 30W, but 24 ports at 30W equal 720W, so the power budget is shared unless the secondary PWR-C1-1100WAC configuration is specified.
WS-C3850-24P-S supports C3850-NM-4-1G and C3850-NM-2-10G in its network module slot. The default switch configuration does not include a network module, so the uplink card and optics need to be listed separately on the purchase order for fiber or 10G uplinks.
Catalyst 3850 switches use StackWise-480 for a stack of up to nine switches and 480 Gbps stacking bandwidth. License levels must match within a stack: LAN Base, IP Base, and IP Services members are not supported together. Use STACK-T1-50CM=, STACK-T1-1M=, or STACK-T1-3M= cables.
WS-C3850-24P-S supports Static, RIPv1, RIPv2, RIPng, EIGRP Stub, OSPF for routed access, and PBR with IP Base. Full OSPF, EIGRP, BGPv4, IS-ISv4, VRF-Lite, and PIM require IP Services, so this PID should not be specified for those features without a license upgrade.
WS-C3850-24P-S supplies 24 PoE+ ports, while WS-C3850-24T-S has 24 data-only ports and a PWR-C1-350WAC supply. Choose WS-C3850-24P-S for powered endpoints under IP Base; choose WS-C3850-24T-S where every access device has separate power.
WS-C3850-24P-S ships with IP Base, while WS-C3850-24P-E ships with IP Services on the same 24-port PoE+ hardware class. Choose WS-C3850-24P-S for routed access features such as Static, RIP, EIGRP Stub, OSPF routed access, and PBR; choose the IP Services path for full enterprise routing.
C9300-24P-A is the named successor to WS-C3850-24P-S and is described as a Catalyst 9300 24-port PoE+ switch with Network Advantage. WS-C3850-24P-S suits replacement sparing in installed Catalyst 3850 stacks; C9300-24P-A suits a current 24-port PoE+ Network Advantage refresh.
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