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WS-C3850-48F-E
Cisco WS-C3850-48F-E Catalyst 3850 48-Port Gigabit PoE+ Swit...
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WS-C3850-48F-E is a Layer 3 enterprise access switch with 48 10/100/1000 RJ-45 ports and PoE+ endpoint power in a 1U rack-mount chassis. Its modular uplink architecture accepts SFP or SFP+ network modules, with the base configuration leaving the uplink bay empty. The Catalyst 3850 model carries the IP Services feature set for advanced routed access and connects wired clients, IP phones, and wireless access points at the campus edge. This 48-port Gigabit PoE+ access switch provides a higher single-supply endpoint-power allocation than the discontinued WS-C3850-48P-E, whose default PoE budget is 435W. Three C3850-FAN-T1= fan modules provide active cooling, so the chassis is not a fanless desktop design. The hardware combines copper endpoint connectivity with separately specified fiber uplinks.
WS-C3850-48F-E price for new stock is $939.75, a 95.7% saving from the Cisco list price of $22,000.00. WS-C3850-48F-E refurb price is $203.70. WS-C3850-48F-E is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for WS-C3850-48F-E for additional pricing. Browse the full Cisco 3850 Catalyst Switches series or explore all Cisco products.
176 Gbps switching capacity covers the maximum supported port configuration. 130.95 Mpps forwarding applies with C3850-NM-4-10G installed, rather than an assumed populated uplink bay. 800W of shared PoE power limits the aggregate endpoint allocation with the standard PWR-C1-1100WAC supply. OSPF, EIGRP, BGPv4, and IS-ISv4 provide full dynamic routing under IP Services, while OSPFv3 and EIGRPv6 cover IPv6. The Cisco Catalyst 3850 Series uses Cisco IOS XE and UADP forwarding silicon. WS-C3850-48F-E has 4 GB of DRAM and 2 GB of flash for its software and configuration environment. A 32000-entry MAC table and 24000 total IPv4 routes, including ARP and learned routes, define address scale. MACsec uses AES-128 on this Gigabit copper model; AES-256 is limited to the SFP+ and Multigigabit models. DHCP snooping and dynamic ARP inspection support access-port protection, while eight wired egress queues per port support differentiated traffic handling.
Order WS-C3850-48F-E in new sealed or certified refurbished condition; refurbished units are inspected and bench-tested, with PoE output verified under load on every powered port, firmware verified, and configuration wiped to factory default. ORM provides up to a 3-year extended warranty on new units, up to 1 year on certified refurbished units, and 30-day returns on every condition, with terms applying; Cisco's former Enhanced Limited Lifetime Warranty support ended October 31, 2025. Specify the required condition and included accessories on the purchase order before ordering this switch. For enterprise and volume orders, PO accepted, Net-30 for government, RMA with advance replacement, and regional stock/RMA coverage across the UK, EU, US, and MEA are available.
| Key Specs | Key Spec Values |
|---|---|
License Tier | IP Services. |
Port Configuration | 48 x 1G PoE+ / Empty modular uplink bay. |
PoE Budget | 800W single / 1900W with two PWR-C1-1100WAC supplies. |
Replaces | WS-C3750X-48PF-E; end of sale October 30, 2016. |
Lifecycle Status | Cisco support ended October 31, 2025. |
Replacement PID | C9300-48P-A. |
Scenario: A global university consolidates wired access, IP telephony and high-density Wi-Fi across 25 buildings. By deploying the WS-C3850-48F-E Cisco Catalyst 3850 48 Port Full PoE IP Services switch at each distribution closet, network architects deliver up to 740W of PoE+ per switch to access points, phones and security cameras. StackWise® technology provides 9 Tbps of unified switching capacity for seamless failover and consistent QoS policy enforcement. Benefit: Simplified management through Cisco DNA Center, guaranteed performance for 5,000+ concurrent clients, 50% reduction in cabling overhead and enterprise-grade resiliency for mission-critical campus services.
Scenario: A nationwide retail chain standardizes its point-of-sale terminals, digital signage and in-store analytics on a single PoE backbone. The WS-C3850-48F-E switch delivers full 15.4W PoE per port, powering PoS devices, HD displays and IP cameras without external injectors. Integrated Cisco TrustSec® segmentation ensures PCI DSS compliance by isolating payment systems from guest Wi-Fi and back-office networks. Benefit: Streamlined deployments cut hardware costs by 30%, real-time traffic encryption boosts data security, and centralized configuration reduces on-site support calls by 60%, delivering faster checkout and improved customer engagement.
Scenario: A multinational real estate firm equips its smart offices with environmental sensors, access control panels and digital wayfinding kiosks. Leveraging WS-C3850-48F-E switches, facilities teams power up to 48 PoE IoT devices per closet location and segment each device class using Cisco SD-Access. Advanced NetFlow telemetry and 802.1X authentication monitor network health and prevent unauthorized access. Benefit: Centralized power management lowers energy costs by 20%, automated network zoning enhances security posture, and real-time analytics optimize space utilization and occupant comfort across 100+ buildings.
When adding hardware to an existing stack, align the feature set with the installed members rather than treating licensing as an independent procurement item. Catalyst 3850 stacks require matching feature sets. If shared power is also required, size the separate four-member StackPower group and specify CAB-SPWR-30CM= or CAB-SPWR-150CM= before the PO.
Where Cisco phones and access points negotiate different power requests, endpoint count alone does not define the required allocation. Cisco Discovery Protocol Version 2 negotiates more granular power settings, and per-port sensing measures actual draw. Capture the endpoint mix and configured port limits, then size the power allocation before specifying the order.
When staging a unit before deployment, account for the 9198-byte jumbo-frame limit rather than assuming every attached system can use its largest configured frame size. Build the test configuration around the intended packet sizes and confirm connected-device settings. Include the required staging configuration and acceptance checks in the purchase specification.
Active Cisco security maintenance
Cisco security remedies and service support for WS-C3850-48F-E ended October 31, 2025. For a replacement purchase, use the current successor C9300-48P-A with Network Advantage.
Multigigabit copper endpoint connections
WS-C3850-48F-E has 10/100/1000 RJ-45 access ports, so connections above 1GbE exceed its downlink capability. Installing an uplink module does not change the copper access-port speeds.
Forty-gigabit uplinks from this chassis
WS-C3850-48F-E accepts C3850-NM-4-1G, C3850-NM-2-10G, or C3850-NM-4-10G. Its permitted modules stop at 10G; C3850-NM-2-40G is restricted to other Catalyst 3850 models.
Thirty watts on every port
WS-C3850-48F-E shares its standard PoE allocation across powered ports, so 48 simultaneous 30W loads require additional supply capacity. Add PWR-C1-1100WAC rather than assuming the single-supply configuration covers that load.
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| WS-C3850-48F-E |  WS-C3850-12X48U-L |  WS-C3850-48XS-F-S |  WS-C3850-48UW-S | |
|---|---|---|---|---|
| Depth | 488 mm | 488 mm | 511 mm | 488 mm |
| Ethernet Technology | Gigabit Ethernet | Multi-Gigabit (2.5G/5G) | 10 Gigabit Ethernet | Gigabit Ethernet |
| Flash Memory | 2 GB | 2 GB | 8 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-C3850-48F-E | WS-C3850-12X48U-L | WS-C3850-48XS-F-S | WS-C3850-48UW-S |
| Memory | 4 GB | 4 GB | 8 GB | 4 GB |
| Switching Capacity | 176 Gbps | 472 Gbps | 1280 Gbps | 176 Gbps |
| Weight | 8 kg. | 8 kg | 7.45 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 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
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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.
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dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviewed on the 30 December 2025
IP Services enabled advanced routing with stable PoE.
Reviewed on the 16 October 2023
Electronic licensing activated smoothly.
Reviewed on the 10 May 2023
Reliable enterprise switch with strong feature set.
Reviewed on the 13 July 2017
Consistent uptime and performance.
Reviewed on the 4 January 2017
Cisco-quality switching with Layer 3 flexibility.
WS-C3850-48F-E identifies a Catalyst 3850 stackable switch with 48 Gigabit Ethernet PoE+ ports and IP Services. WS-C3850 identifies the switch family, 48 is the access-port count, F marks the PoE+ configuration supplied with PWR-C1-1100WAC, and E identifies IP Services. The part number does not specify an installed uplink module.
Catalyst 3850 supports console CLI, CLI over SSH or Telnet, SNMPv3, and Cisco Prime Infrastructure management. SSH and encrypted SNMPv3 require the appropriate cryptographic software image. Console access serves local configuration, while Prime Infrastructure provides centralized provisioning and monitoring for wired and wireless operation across supported deployments.
WS-C3850-48F-E is discontinued, with end of sale on October 30, 2020, and Cisco support ending October 31, 2025. Security-support availability also ended on October 31, 2025. C9300-48P-A is the current replacement, so retaining this model means operating beyond Cisco's hardware-service lifecycle.
ORM offers WS-C3850-48F-E new sealed or certified refurbished, with up to a 3-year extended warranty on new units and up to 1 year on refurbished units. Every condition has 30-day returns; terms apply. Cisco's Enhanced Limited Lifetime Warranty support ended October 31, 2025. Refurbished units are inspected and bench-tested, firmware verified, and configuration wiped to factory default.
WS-C3850-48F-E uses a perpetual IP Services base license; conventional switching does not require a Cisco DNA subscription. Historical subscription choices were Cisco DNA Advantage and Cisco DNA Premier, each with a minimum three-year term. Those subscriptions were add-ons rather than replacements for the base license, so distinguish network features from term-based software entitlements.
WS-C3850-48F-E replaced WS-C3750X-48PF-E, the discontinued 48-port full-PoE IP Services model. WS-C3750X-48PF-E ended sale on October 30, 2016, and Cisco support ended October 31, 2021. WS-C3850-48F-E is also discontinued; the forward migration path now ends at C9300-48P-A rather than at another unsupported switch.
WS-C3850-48F-E provides an 800W shared PoE budget with its standard PWR-C1-1100WAC supply and supports 30W per PoE+ port. A second PWR-C1-1100WAC increases the available budget to 1900W. The single-supply allocation does not cover 48 simultaneous 30W requests, so endpoint demand determines whether an additional supply is required.
Catalyst 3850 48-port Gigabit PoE+ switches accept C3850-NM-4-1G, C3850-NM-2-10G, and C3850-NM-4-10G. C3850-NM-4-1G provides four 1G ports; C3850-NM-2-10G supports two 10G or four 1G ports; C3850-NM-4-10G supports four 10G or four 1G ports. The module and required optics must be specified separately because the base configuration leaves the uplink bay empty.
StackWise-480 stacks nine Catalyst 3850 members with 480 Gbps of stacking bandwidth. Members must run matching feature sets, and LAN Base, IP Base, and IP Services are not interchangeable within a mixed stack. Specify STACK-T1-50CM=, STACK-T1-1M=, or STACK-T1-3M= according to interconnect length; StackPower connections are separate from data-stack links.
WS-C3850-48F-E supports full OSPF, EIGRP, BGPv4, and IS-ISv4 under IP Services, with OSPFv3 and EIGRPv6 for IPv6 routing. PBR, VRF-Lite, PIM-SM, and PIM-DM are also included. The 24000 IPv4 route total includes ARP and learned routes; that total is not a separate capacity allocation for each routing protocol.
No, WS-C3850-48F-E ships with one PWR-C1-1100WAC supply and an empty second supply position. Redundancy is optional rather than included. A second compatible supply must be specified separately, and a switch with only one installed supply uses bay 1. Size the intended endpoint load against the actual supply configuration.
WS-C3850-48F-E provides 800W of PoE capacity with its default supply, while WS-C3850-48P-E provides 435W. Both are discontinued IP Services configurations, so the purchase difference is the available endpoint-power allocation. WS-C3850-48F-E fits higher aggregate demand; WS-C3850-48P-E fits an existing installation whose shared demand stays within the lower budget.
WS-C3850-48F-E carries IP Services, while WS-C3850-48F-S carries IP Base. Full EIGRP, BGPv4, and IS-ISv4 are IP Services features, whereas IP Base provides entry-level routed access. Both models are discontinued. WS-C3850-48F-E serves existing advanced-routing configurations; WS-C3850-48F-S suits replacement inventory that must retain the lower feature set.
C9300-48P-A is the current replacement for the discontinued WS-C3850-48F-E, whose Cisco support ended October 31, 2025. The lifecycle distinction governs the purchase: WS-C3850-48F-E maintains an existing legacy configuration, while C9300-48P-A suits a replacement order that moves away from hardware whose Cisco service has ended.
The 48-port Gigabit PoE+ access switch reaches 143.77W in the full-traffic test configuration with C3850-NM-4-10G installed and no PoE load. That figure excludes endpoint power and is not total fully loaded chassis draw. Use the measured condition and separate endpoint allocation when sizing the electrical feed, rather than substituting the PWR-C1-1100WAC rating.
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