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WS-C3850-48U-E
Cisco WS-C3850-48U-E Catalyst 3850 48-Port Gigabit UPOE Swit...
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WS-C3850-48U-E brings Cisco UPOE to 48 Gigabit Ethernet access ports in a managed Layer 3, 1U rack-mount switch. Its Catalyst 3850 IP Services feature set covers advanced routed access for enterprise campus networks, while the copper downlinks connect powered phones, access points and other compatible endpoints. The uplink architecture uses an empty modular bay rather than installed fiber ports, making the uplink module a separate configuration choice. This 48-port Gigabit UPOE access switch serves a different endpoint power requirement from the discontinued WS-C3850-48F-E, which supplies PoE+ instead of UPOE. The Cisco Catalyst 3850 Series also combines wired and wireless policy handling within the same operating environment, keeping access configuration, security controls and traffic prioritization within the switch configuration.
WS-C3850-48U-E price for new stock is $1,500.45, a 93.2% saving from the Cisco list price of $22,000.00. WS-C3850-48U-E refurb price is $219.45. WS-C3850-48U-E is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for WS-C3850-48U-E for additional pricing. Browse the full Cisco 3850 Catalyst Switches series or explore all Cisco products.
176 Gbps switching capacity supports the 48-port Gigabit configuration, while forwarding silicon handles access switching and hardware routing. OSPF, EIGRP, BGPv4 and IS-ISv4 support advanced IPv4 routing under IP Services; OSPFv3 and EIGRPv6 provide IPv6 routing. PIM-SM, PIM-DM and SSM support multicast distribution, and PBR permits policy-based traffic selection. WS-C3850-48U-E carries 4 GB of DRAM for its operating environment and 2 GB of flash for software storage. The address resources accommodate 32000 MAC entries and 24000 IPv4 routes, including ARP and learned routes, so route planning must account for both populations. UADP silicon also supports hardware-based traffic classification and queuing for differentiated services. DHCP snooping and Dynamic ARP Inspection protect access connections against address spoofing, while port security controls learned addresses. Administration includes console CLI, SSH, Telnet, SNMP and Cisco Prime Infrastructure; encrypted management requires the appropriate cryptographic image. Four fixed 10G uplinks are not included, and this Gigabit model does not accept a 40G uplink module.
ORM Systems offers WS-C3850-48U-E new sealed or certified refurbished, with up to a 3-year extended warranty for new units and up to 1 year for certified refurbished units; Cisco's Enhanced Limited Lifetime Warranty and service ended October 31, 2025. Certified refurbished units are inspected and bench-tested, including PoE output verification under load on every powered port, firmware verification and configuration wiping to factory default. Specify condition, accessories and quantities on the purchase order; returns cover every condition for 30 days, with terms applying. Enterprise and volume orders support PO acceptance, Net-30 for government and RMA with advance replacement, with regional stock and RMA coverage across the UK, EU, US and MEA.
| Key Specs | Key Spec Values |
|---|---|
License Tier | IP Services |
Port Configuration | 48 x 1G UPOE / modular uplink bay |
PoE Budget | 800W single supply / 1900W dual supply |
Replaces | WS-C3750X-48U-E / End of sale October 30, 2016 |
Lifecycle Status | Cisco service ended October 31, 2025 |
Replacement PID | C9300-48U-A |
Scenario: A 2,500-employee corporate campus deploys 250 high-definition IP cameras and 100 wireless access points across multiple buildings. The Cisco Catalyst 3850 48 Port UPOE IP Services switch delivers up to 60 W per port over UPOE and converges data and power on a single chassis with Cisco IOS XE programmability and advanced QoS. Benefit: Simplified infrastructure with 30% fewer cables, 99.99% uptime for critical surveillance, and centralized management that reduces operational expenses and ensures campus-wide security compliance.
Scenario: A commercial real estate operator integrates smart lighting, HVAC sensors, badge readers, and digital signage in a 500,000 sq ft office tower. Leveraging the Cisco Catalyst 3850 48 Port UPOE IP Services, each port delivers unified power and data to diverse IoT devices with per-port power budgeting and IEEE 802.3bt support. Benefit: Real-time analytics enable 25% energy savings, seamless tenant move-ins/outs, and a single-pane-of-glass for device provisioning and firmware updates, driving occupant comfort and lowering facility management costs.
Scenario: A global call center with 600 agents deploys VoIP handsets, APs, and video conferencing endpoints across three floors. The Cisco Catalyst 3850 48 Port UPOE IP Services switch enforces hardware-accelerated QoS, AVC, and dynamic PoE allocation to prioritize voice traffic and power wireless APs. Benefit: Crystal-clear voice quality with sub-20 ms latency, 99.95% service availability, and automated guest-Wi-Fi onboarding, resulting in improved customer satisfaction scores and streamlined network operations.
When a purchase adds high-draw powered endpoints rather than replacing an existing switch, size simultaneous UPOE loads before selecting supplies. A maximum of 30 ports can provide 60W with two PWR-C1-1100WAC supplies. Record each endpoint's required draw and the supply quantity on the purchase order.
When expanding an existing Catalyst 3850 stack, match the installed software feature set across the proposed members; mixed feature-set stacks are not supported. Select STACK-T1-50CM=, STACK-T1-1M= or STACK-T1-3M= for the physical spacing, then confirm software alignment, cable lengths and quantities before issuing the purchase order.
When a staging rack must reproduce a campus configuration, validate logical interface requirements separately from physical port counts. Catalyst 3850 supports 1000 switched virtual interfaces and 4000 VLAN IDs. Record the intended interface inventory, VLAN plan and software image requirements before placing the staging order.
Multigigabit speeds on access ports
WS-C3850-48U-E access ports operate at 10/100/1000Mbps, not 2.5G or 5G. Uplink modules add upstream interfaces but do not change the fixed copper downlink speeds.
40G uplinks to distribution
WS-C3850-48U-E supports C3850-NM-4-1G, C3850-NM-2-10G and C3850-NM-4-10G, with a 10G uplink ceiling. C3850-NM-2-40G is not supported on this 48-port Gigabit hardware.
Cisco-backed service for new deployments
Cisco service for WS-C3850-48U-E ended October 31, 2025. Evaluate C9300-48U-A, the current replacement, instead of specifying this discontinued model for a Cisco-supported hardware purchase.
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| WS-C3850-48U-E |  WS-C3850-48XS-S |  WS-C3850-24U-S |  WS-C3850-48P-L | |
|---|---|---|---|---|
| Depth | 488 mm | 511 mm | 488 mm | 450 mm |
| Ethernet Technology | Gigabit Ethernet | 10 Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet |
| Flash Memory | 2 GB | 8 GB | 2 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-C3850-48U-E | WS-C3850-48XS-S | WS-C3850-24U-S | WS-C3850-48P-L |
| Memory | 4 GB | 8 GB | 4 GB | 4 GB |
| Power Consumption | 127.7W (excluding PoE / C3850-NM-4-10G installed / 100% traffic) | 288.1W (100% traffic, ATIS IMIX) | 84.8W without PoE loading using C3850-NM-2-10G | 135.96W (no PoE load; C3850-NM-4-10G installed) |
| Switching Capacity | 176 Gbps | 1280 Gbps | 92 Gbps | 176 Gbps |
| Weight | 8 kg | 7.45 kg | 7.5 kg. | 7.9 kg |
| 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 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
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.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviewed on the 25 April 2020
UPoE IP Services enabled flexible routing and power.
Reviewed on the 16 November 2021
Electronic activation was quick and reliable.
Reviewed on the 23 September 2021
Consistent performance for powered endpoints.
Reviewed on the 3 October 2024
Cisco-grade reliability with advanced features.
Reviewed on the 13 March 2022
Well-suited for enterprise access networks.
WS-C3850-48U-E identifies a Catalyst 3850 switch with 48 Gigabit UPOE ports and the IP Services feature set. WS-C3850 identifies the switch family, 48 identifies the access-port count, U identifies UPOE and E identifies IP Services. The configuration includes PWR-C1-1100WAC and an empty modular uplink bay.
Catalyst 3850 management includes console CLI, remote CLI through SSH or Telnet, SNMP and Cisco Prime Infrastructure. Cisco DNA Center provides additional automation and management through the applicable Cisco DNA licensing package. SSH and encrypted SNMPv3 require the cryptographic software image, so confirm the installed image before specifying secure remote administration.
WS-C3850-48U-E is discontinued: end of sale was October 30, 2020, and Cisco service ended October 31, 2025. Security vulnerability support also ended October 31, 2025. C9300-48U-A is the replacement, so orders for this legacy model must not assume continuing Cisco technical support or security fixes.
ORM Systems supplies WS-C3850-48U-E new sealed or certified refurbished, with up to a 3-year extended warranty for new units or up to 1 year for certified refurbished units. Returns cover every condition for 30 days; terms apply. Cisco's Enhanced Limited Lifetime Warranty and service ended October 31, 2025.
WS-C3850-48U-E includes IP Services, the advanced network feature tier above LAN Base and IP Base. Optional Cisco DNA Essentials and Cisco DNA Advantage add-ons have three-year and five-year terms, with three years the minimum. Smart Accounts manage those entitlements; expired add-ons require renewal or deactivation and a reload to retain base operation.
WS-C3850-48U-E replaces WS-C3750X-48U-E, the discontinued Catalyst 3750-X 48-port UPOE IP Services model whose end-of-sale date was October 30, 2016. The replacement retains the 48-port UPOE configuration and advanced feature tier. The successor is itself discontinued, so this migration now belongs to legacy hardware procurement.
WS-C3850-48U-E provides an 800W shared UPOE budget with its standard PWR-C1-1100WAC supply, increasing to 1900W with a second PWR-C1-1100WAC. Individual ports support 60W, but the budget is not enough for all 48 ports at that draw. Two supplies support a maximum of 30 simultaneous 60W ports.
WS-C3850-48U-E accepts C3850-NM-4-1G for four 1G uplinks, C3850-NM-2-10G for two 10G uplinks and C3850-NM-4-10G for four 10G uplinks. The base switch ships without an uplink module. C3850-NM-2-10G and C3850-NM-4-10G also support 1G interface configurations, allowing the module choice to follow upstream requirements.
Catalyst 3850 StackWise-480 stacks nine members with 480 Gbps stacking bandwidth and a single management identity. STACK-T1-50CM=, STACK-T1-1M= and STACK-T1-3M= provide the available stacking cable lengths. Members must use matching software feature sets; the separate StackPower power-sharing connection is not a substitute for these data-stacking cables.
Yes, WS-C3850-48U-E supports full OSPF, EIGRP, BGPv4 and IS-ISv4 through IP Services, plus OSPFv3 and EIGRPv6 for IPv6 routing. Multicast options include PIM-SM, PIM-DM and SSM. The 24000-entry IPv4 route resource includes ARP and learned routes, so both must be considered when sizing the routing configuration.
No, WS-C3850-48U-E ships with one PWR-C1-1100WAC and an empty second power-supply bay. A second PWR-C1-1100WAC provides the optional dual-supply configuration. StackPower offers a separate power-sharing arrangement between members using CAB-SPWR-30CM= or CAB-SPWR-150CM=, so specify the internal supply configuration and power-stack cabling separately on the purchase order.
WS-C3850-48U-E consumes 127.7W in the 100% traffic test with C3850-NM-4-10G installed and no PoE loading. That figure excludes endpoint power and is not a fully loaded system maximum. Electrical circuit and UPS sizing must therefore account separately for the powered-device allocation and the actual installed configuration.
WS-C3850-48U-E supports 60W UPOE per port, whereas WS-C3850-48F-E supports 30W PoE+ per port. Both discontinued models provide 48 Gigabit access ports and IP Services. WS-C3850-48U-E addresses higher-draw compatible endpoints; WS-C3850-48F-E addresses PoE+ endpoint requirements, with aggregate power allocation still required for either configuration.
WS-C3850-48U-E includes IP Services, while WS-C3850-48U-S includes IP Base. IP Services enables full OSPF, EIGRP, BGPv4 and IS-ISv4; IP Base provides routed-access capabilities instead. Both models are discontinued. The E variant suits advanced routing requirements, while the S variant suits legacy configurations limited to IP Base features.
C9300-48U-A is the current replacement for the discontinued WS-C3850-48U-E, whose Cisco service ended October 31, 2025. Both carry 48 UPOE access ports. C9300-48U-A suits replacement projects requiring a current model; WS-C3850-48U-E suits legacy sparing where the buyer accepts ended Cisco support and arranges independent coverage.
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