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WS-C3850-24XU-E
Cisco WS-C3850-24XU-E Catalyst 3850 24-Port Multigigabit PoE...
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WS-C3850-24XU-E combines 24 multigigabit copper access ports with Cisco UPOE and the IP Services feature set in a managed Layer 3 switch. Each downlink supports 100Mbps, 1Gbps, 2.5Gbps, 5Gbps and 10Gbps operation, allowing different endpoint speeds within the same access switch. The Cisco Catalyst 3850 Series uses a modular uplink architecture rather than fixed fiber uplinks, with the uplink module selected separately. Its full-width 1U chassis serves enterprise campus access connections for wireless access points, IP phones and other powered network devices. The discontinued WS-C3850-24U-E retains 24 UPOE access ports but limits those downlinks to Gigabit Ethernet rather than multigigabit operation.
WS-C3850-24XU-E price for new stock is $7,297.50. WS-C3850-24XU-E refurb price is $918.75. WS-C3850-24XU-E is in stock and available for free next-day delivery. (terms applied)
Request bulk order quote for WS-C3850-24XU-E for additional pricing. Browse the full Cisco 3850 Catalyst Switches series or explore all Cisco products.
640 Gbps switching capacity provides the switching fabric for the copper access interfaces and supported uplink configurations. 500 Mpps forwarding performance uses an 80-byte packet condition, which matters when comparing packet-rate figures. 580W of shared endpoint power requires allocation across connected devices rather than assuming maximum output on every port simultaneously. Full OSPF, EIGRP, BGPv4 and IS-ISv4 support allows advanced unicast routing, while PIM-SM and PIM-DM support multicast routing. The IPv4 scale reaches 24000 entries across ARP and learned routes; the MAC table accommodates 32000 entries. WS-C3850-24XU-E runs Cisco IOS XE with 4 GB of DRAM and 2 GB of flash for software operation and storage. StackWise-480 connects nine members through a 480 Gbps stacking fabric, separate from the uplink interfaces. Three C3850-FAN-T1 fan modules provide active chassis cooling, so the 24-port multigigabit UPOE switch is not a fanless unit.
ORM Systems offers WS-C3850-24XU-E new sealed or certified refurbished; refurbished units are inspected and bench-tested, firmware verified, and wiped to factory default. Refurbished units receive power-on, POST and clean-boot checks, every access port links at rated speed, and PoE output is verified under load on every powered port. Specify condition, accessory PIDs and quantities on the PO: ORM's new-unit warranty is up to a 3-year extended term, certified refurbished coverage is up to 1 year, and returns are available for 30 days in every condition, with terms applying; Cisco's Enhanced Limited Lifetime Warranty support ended October 31, 2025. For enterprise and volume orders, POs are accepted, government buyers receive Net-30 terms, and RMA service includes advance replacement.
| Key Specs | Key Spec Values |
|---|---|
License Tier | IP Services |
Port Configuration | 24 x multigigabit UPOE / modular uplink bay |
PoE Budget | 580W single supply / 1680W dual supply |
Stacking | StackWise-480 / nine members |
Lifecycle Status | Cisco service ended October 31, 2025 |
Replacement PID | C9300-24U-A. |
In a university deploying 802.11ax access points across 50+ buildings, the Catalyst 3850 24 mGig switch provides 2.5/5 Gb uplinks per AP and uPOE power over a single copper run. Benefit: Eliminates wireless backhaul bottlenecks, centralizes management via Cisco DNA, and delivers consistent, high-throughput roaming for 20,000+ users.
A national retail chain installs IP cameras, digital signage, and PoS terminals in 200 stores. The WS-C3850-24XU-E supplies 60 W/uPOE per port and 24 multi-gigabit segments, consolidating data and power in one chassis. Benefit: Reduces infrastructure footprint, lowers CapEx by 30%, and ensures uninterrupted operations during peak shopping periods.
A managed services provider outfits a 10-floor office building with per-tenant VLANs and QoS policies using Catalyst 3850’s IP Services. Each tenant receives a dedicated 2.5/5 Gb mGig link and secure segmentation. Benefit: Accelerates tenant onboarding by 50%, guarantees SLA-driven performance, and simplifies firewall-level isolation without additional appliances.
When an access refresh retains existing copper runs, cable category becomes part of the purchasing decision. Cat5e and Cat6A support different operating ranges for multigigabit connections. Inventory the installed cabling, endpoint interfaces and patching before ordering, and specify Cat6A where the fastest supported copper connection is required.
When a routed access design adds VLAN interfaces, the 1000-SVI limit provides a separate planning boundary from physical port availability. Count the interfaces required by the proposed configuration rather than using the endpoint count as a proxy. Specify the intended routed interface configuration before releasing the purchase order.
When an organization purchases matching spare hardware for several locations, ORM's regional stock and RMA coverage spans the UK, EU, US and MEA. Separate the required quantities by destination and condition instead of treating the order as one undifferentiated shipment. Confirm the regional allocation before issuing the PO.
Continuing Cisco service coverage
Cisco service ended October 31, 2025. C9300-24U-A is the current named replacement, but its 24 copper downlinks are 1G rather than multigigabit; it is not a speed-equivalent substitution.
Maximum UPOE output with one supply
The included PWR-C1-1100WAC provides 580W, below 24 × 60W = 1440W. Add a second PWR-C1-1100WAC= for the 1680W configuration when specifying maximum simultaneous endpoint power.
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| WS-C3850-24XU-E |  WS-C3850-48U-S |  WS-C3850-24XS-E |  WS-C3850-48F-E | |
|---|---|---|---|---|
| Depth | 488 mm | 488 mm | 450 mm | 488 mm |
| Ethernet Technology | Multi-Gigabit (2.5G/5G) | Gigabit Ethernet | 10 Gigabit Ethernet | Gigabit Ethernet |
| Flash Memory | 2 GB | 2 GB | 4 GB | 2 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-C3850-24XU-E | WS-C3850-48U-S | WS-C3850-24XS-E | WS-C3850-48F-E |
| Memory | 4 GB | 4 GB | 4 GB | 4 GB |
| Power Consumption | 248.1W (100% traffic / no PoE load / C3850-NM-8-10G) | 127.7W (excluding PoE load / tested with C3850-NM-4-10G) | 205.5W at 100% traffic with C3850-NM-8-10G installed | 143.77W excluding PoE load (C3850-NM-4-10G installed) |
| Switching Capacity | 640 Gbps | 176 Gbps | 640 Gbps | 176 Gbps |
| Weight | 8 kg. | 8 kg. | 6.1 kg | 8 kg. |
| Width | 445 mm | 445 mm | 445 mm | 445 mm |
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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.
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Reviewed on the 31 August 2022
Electronic licensing activated quickly and worked flawlessly in production.
Reviewed on the 17 December 2018
Reliable mGig switch for demanding enterprise access environments.
Reviewed on the 12 May 2017
Consistent uptime and predictable Cisco performance for critical workloads.
Reviewed on the 11 February 2017
Strong choice for organizations upgrading to high-speed wireless access.
Reviewed on the 3 March 2023
IP Services features enabled advanced routing with stable performance across all ports.
WS-C3850-24XU-E identifies the Catalyst 3850 family, 24 access ports, multigigabit UPOE operation through the XU segment, and IP Services through the E suffix. The configuration includes a PWR-C1-1100WAC power supply. The part number does not identify an installed uplink module; that selection is separate.
WS-C3850-24XU-E supports CLI management through its console interfaces, Telnet or SSH, plus Cisco Network Assistant and Cisco Prime Infrastructure. SSH requires the cryptographic software image. Local access includes RJ-45 and USB mini-Type B console connections, while a dedicated Ethernet management port provides a separate network connection.
WS-C3850-24XU-E provides a shared 580W UPOE budget with its included PWR-C1-1100WAC, with individual ports supporting 60W. A second PWR-C1-1100WAC= increases the budget to 1680W. Twenty-four endpoints requesting 60W each require 1440W, so the single-supply configuration cannot deliver that maximum simultaneously.
WS-C3850-24XU-E accepts C3850-NM-4-1G, C3850-NM-2-10G, C3850-NM-4-10G, C3850-NM-8-10G and C3850-NM-2-40G. These provide choices from Gigabit uplinks through eight 10G interfaces or two 40G interfaces. The base switch ships without an uplink module, so specify the selected module and compatible optics separately on the purchase order.
Catalyst 3850 StackWise-480 stacks nine members with 480 Gbps stacking bandwidth. Available data-stack cables are STACK-T1-50CM=, STACK-T1-1M= and STACK-T1-3M=. Members must use matching software feature sets; a mixed LAN Base, IP Base and IP Services stack is not supported. Choose cable lengths for the intended physical arrangement.
WS-C3850-24XU-E includes perpetual IP Services; add-on paths include Cisco DNA Essentials, Cisco DNA Advantage and Cisco DNA Premier with three-year minimum terms. Cisco DNA Advantage supports SD-Access, while Essentials does not. Subscription expiration does not replace the base license: renew the add-on or deactivate it and reload.
Yes, WS-C3850-24XU-E reached end of sale on October 30, 2020, and Cisco service ended October 31, 2025. Vulnerability and security support also ended October 31, 2025. C9300-24U-A is the named replacement. Continued legacy operation therefore requires a purchasing decision that does not assume ongoing Cisco support.
ORM Systems offers WS-C3850-24XU-E new sealed or certified refurbished, with up to a 3-year extended warranty for new units and up to 1 year for refurbished units. Returns are available for 30 days in every condition; terms apply. Cisco's original Enhanced Limited Lifetime Warranty support ended October 31, 2025.
WS-C3850-24XU-E has a 580W single-supply PoE budget, versus 800W for WS-C3850-24U-E. Both discontinued models provide 24 UPOE access ports and IP Services, but the latter has Gigabit-only downlinks. The XU model addresses an existing multigigabit requirement; the U model addresses Gigabit connections with the larger single-supply budget.
WS-C3850-24XU-E includes IP Services, while WS-C3850-24XU-S includes IP Base on the same 24-port multigigabit UPOE hardware. IP Services enables full OSPF, EIGRP, BGPv4 and IS-ISv4; IP Base provides routed-access capabilities. Both are discontinued. The E variant addresses advanced routing requirements; the S variant addresses the lower software tier.
WS-C3850-24XU-E is discontinued with Cisco service ended, whereas C9300-24U-A is its current named replacement. The replacement has 24 Gigabit copper UPOE ports and Network Advantage, not multigigabit downlinks. The older model addresses existing hardware compatibility; the replacement addresses refresh purchasing where Gigabit access meets the required endpoint speed.
The 248.1W figure for this Catalyst 3850 configuration excludes PoE loading and uses C3850-NM-8-10G at full traffic load with 115V AC input. It is not total consumption with powered endpoints. For purchasing and electrical planning, distinguish this measured configuration from the endpoint power budget and the PWR-C1-1100WAC supply rating.
Yes, WS-C3850-24XU-E supports full OSPF, EIGRP, BGPv4 and IS-ISv4 through IP Services, together with OSPFv3 and EIGRPv6 for IPv6 routing. Multicast capabilities include PIM-SM, PIM-DM and SSM. The 24000-entry IPv4 scale includes ARP and learned routes, so it should not be treated entirely as learned routing entries.
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