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WS-C3750X-48U-E
Cisco WS-C3750X-48U-E Catalyst 3750-X 48-Port Gigabit UPOE S...
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WS-C3750X-48U-E combines 60W UPOE-capable access ports with the IP Services feature set in a managed, Layer 3 stackable switch. Its 48 fixed RJ-45 connections support 10/100/1000 Ethernet, serving enterprise access networks with phones, wireless access points, and higher-draw powered devices. The Cisco Catalyst 3750-X Series uses a 1U rack chassis and a removable uplink architecture. The base configuration leaves the network-module bay empty: C3KX-NM-1G provides four Gigabit SFP connections, while C3KX-NM-10G supports two 10G SFP+ connections in its 10G configuration. Fiber connections require the selected module and compatible optics. The discontinued WS-C3750X-48PF-E provides PoE+ rather than UPOE, with a 30W per-port limit instead of 60W. Lower-power PoE and PoE+ endpoints are also supported on the UPOE model.
WS-C3750X-48U-E price for new stock is is available on request. Get immediate quote. WS-C3750X-48U-E refurb price is $462.00.
Request bulk order quote for WS-C3750X-48U-E for additional pricing. Browse the full Cisco 3750X Catalyst Switches series or explore all Cisco products.
160 Gbps switching capacity provides the fabric for access traffic and the selected uplink configuration. 101.2 Mpps forwarding performance applies with two 10GbE uplinks, making the installed uplink configuration relevant when comparing throughput. 800W of shared PoE budget allocates power across connected endpoints rather than guaranteeing maximum output on every port. OSPF, EIGRP, and BGP support dynamic IPv4 routing; OSPFv3 and EIGRPv6 extend routing to IPv6, while PIM-SM supports multicast distribution. WS-C3750X-48U-E carries 256 MB of DRAM and 64 MB of flash for running Cisco IOS and retaining software. Catalyst 3750-X resource allocation depends on the selected SDM template: the routing template supports 11000 total unicast routes, while the VLAN template provides the 12000-address MAC maximum. These maxima belong to different allocation profiles. LACP groups Ethernet links into channels, and MACsec supports downlink encryption with an appropriate cryptographic image. StackWise Plus carries inter-member traffic over a 64 Gbps ring.
WS-C3750X-48U-E is offered new sealed or certified refurbished, with up to a 3-year extended warranty on new units, up to 1 year on refurbished units, and 30-day returns on either condition; terms apply. Certified refurbished units are inspected and bench-tested for power-on and POST, rated-speed port links, clean boot, and PoE output under load on every powered port; firmware is verified and configurations are wiped to factory default. Specify condition, accessories, and quantity on the purchase order; Cisco warranty and service ended October 31, 2021. PO accepted, Net-30 for government, and RMA with advance replacement support enterprise and volume orders, with regional stock and RMA across UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Operating System | Cisco IOS |
License Tier | IP Services |
Port Configuration | 48 x 1G UPOE / modular 1G or 10G uplinks |
PoE Budget | 800W single / 1800W with dual C3KX-PWR-1100WAC |
Lifecycle Status | Cisco support ended October 31, 2021 |
Replacement PID | C9300-48U-A via discontinued WS-C3850-48U-E |
In a 1,000-user enterprise headquarters, the WS-C3750X-48U-E powers 48 VoIP handsets and 30 802.11ac access points via uPoE while running dynamic routing (OSPF/EIGRP) and QoS under the IP Services license. StackWise Plus clustering and StackPower redundancy deliver sub-100 ms failover and unified voice/data convergence. Outcome: cuts rack footprint by 50%, ensures consistent HD voice and wireless performance, and reduces operational expense by 30%.
In a multi-building university campus, the Catalyst 3750X 48-Port uPoE switch aggregates edge switches, powers IP cameras and digital signage, and enforces VRF-based segmentation for research, administration, and guest networks. Nine-switch StackWise Plus provides 80 Gbps of stacking bandwidth and active-active uplink resiliency. Outcome: simplifies management, delivers 99.999% uptime, and scales to 200% user growth without additional rack space.
On the plant floor of a precision manufacturing facility, the WS-C3750X-48U-E supplies uPoE to IP cameras, sensor gateways, and barcode scanners while using advanced ACLs, NetFlow, and SVI routing to isolate production, QA, and guest VLANs. 10 GbE SFP+ uplinks ensure low-latency data feeds into the control system. Outcome: enhances IIoT visibility, maintains sub-5 ms failover for automated processes, and enforces end-to-end security for industry compliance.
When a legacy installation adds higher-draw endpoints, size demand against the available allocation rather than port count alone. Two C3KX-PWR-1100WAC supplies support 30 UPOE connections at their full 60W allocation. Inventory endpoint requirements and specify the second C3KX-PWR-1100WAC before issuing the purchase order.
When an access replacement must preserve separate routed domains, IP Services supports VRF Lite and multiple VPN routing/forwarding instances. Those features make entitlement verification part of the staging checklist. Specify the required routing-domain configuration and confirm the active feature set before accepting the quoted unit.
For a staging purchase, confirm the management connection before scheduling configuration work. The USB console and rear RJ-45 console cannot be used simultaneously. Decide which connection the bench will use, include the required connection hardware on the order, and specify the configuration workflow before issuing the purchase order.
Cisco-backed support for new deployments
Cisco service ended October 31, 2021. For a current 48-port UPOE migration, consider C9300-48U-A rather than the also-discontinued direct replacement, WS-C3850-48U-E.
60W power on every access port
WS-C3750X-48U-E cannot supply 60W simultaneously across all 48 ports. Two C3KX-PWR-1100WAC supplies provide 1800W, supporting 30 full-power UPOE connections rather than 48.
Multigigabit copper access connections
The 48 fixed RJ-45 access ports support 10/100/1000 Ethernet only. Optional faster uplinks do not change the native speed of those fixed access connections.
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| WS-C3750X-48U-E |  WS-C3750X-48T-E |  WS-C3750X-24U-S |  WS-C3750X-48P-L |  WS-C3750X-24P-E | |
|---|---|---|---|---|---|
| Depth | 495 mm | 460 mm | 495 mm | 460 mm | 460 mm |
| Ethernet Technology | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet | Gigabit Ethernet |
| Flash Memory | 64 MB | 64 MB | 64 MB | 64 MB | 64 MB |
| Form Factor | Rack-Mount 1U | 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 | 44.5 mm |
| Manufacturer Part Number | WS-C3750X-48U-E | WS-C3750X-48T-E | WS-C3750X-24U-S | WS-C3750X-48P-L | WS-C3750X-24P-E |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Switching Capacity | 160 Gbps | 160 Gbps | 160 Gbps | 160 Gbps | 160 Gbps |
| Weight | 7.6 kg | 7.4 kg | 7.3 kg | 7.5 kg | 7.2 kg |
| Width | 445 mm | 445 mm | 445 mm | 445 mm | 445 mm |
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dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviewed on the 13 June 2021
48-port UPOE IP Services switch delivers stable and consistent performance.
Reviewed on the 23 March 2021
Handles enterprise workloads reliably and efficiently.
Reviewed on the 10 March 2025
Easy configuration and predictable operation.
Reviewed on the 5 July 2020
Cisco quality ensures minimal downtime and high reliability.
Reviewed on the 10 February 2026
Compact design with strong enterprise-grade performance.
WS-C3750X-48U-E identifies a stackable Catalyst 3750-X switch: WS-C3750X names the switch family, 48 identifies the Ethernet port count, U identifies UPOE ports, and E identifies IP Services. The configuration includes C3KX-PWR-1100WAC and uses a 1U chassis with a separately selected uplink module.
The Catalyst 3750-X supports Device Manager web access, Cisco IOS CLI through console connections or SSH/Telnet, Cisco Network Assistant, SNMP management including CiscoWorks LMS, and Cisco IOS Configuration Engine. USB and RJ-45 consoles provide local access; cryptographic software enables SSH, while the Configuration Engine automates configuration delivery.
WS-C3750X-48U-E provides an 800W shared PoE budget with its default C3KX-PWR-1100WAC, with UPOE supporting 60W per port. Two C3KX-PWR-1100WAC supplies increase the available budget to 1800W. That dual-supply configuration supports 30 full-power UPOE connections, not simultaneous 60W delivery across all 48 ports.
WS-C3750X-48U-E accepts C3KX-NM-1G for four 1G SFP ports, C3KX-NM-10G for two 10G SFP+ ports, C3KX-NM-10GT for two 10GBASE-T ports, or C3KX-SM-10G for two 10G SFP+ service ports. The base configuration excludes the uplink module. Fiber connections additionally require compatible optics selected for the module and link.
Nine switches form a Catalyst 3750-X StackWise Plus stack using a 64 Gbps ring. Approved cables include CAB-STACK-50CM=, CAB-STACK-1M=, and CAB-STACK-3M=. LAN Base members cannot mix with IP Base or IP Services members; identify the software feature sets and required cable lengths before adding hardware.
WS-C3750X-48U-E supports full OSPF, EIGRP, BGP, static routing, RIP, and PBR through IP Services, plus PIM-SM and PIM-DM for multicast. IPv6 capabilities include OSPFv3 and EIGRPv6. The 11000-route maximum is a total unicast scale under the routing SDM template, not an indirect-route subset.
The Catalyst 3750-X uses Cisco IOS software activation for LAN Base, IP Base, and IP Services, with permanent and temporary license types supported. Paper and electronic licenses provide feature-upgrade paths. WS-C3750X-48U-E specifies IP Services; confirm permanent entitlement rather than relying on the installed universal software image alone.
Yes, WS-C3750X-48U-E reached end of sale on October 30, 2016, and Cisco support ended October 31, 2021. Its direct replacement, WS-C3850-48U-E, is also discontinued and passed its last support date on October 31, 2025. The forward migration chain reaches C9300-48U-A.
ORM Systems offers WS-C3750X-48U-E new sealed with up to a 3-year extended warranty or certified refurbished with up to 1 year. Both conditions include 30-day returns; terms apply. Cisco's original Enhanced Limited Lifetime hardware warranty and Cisco service ended October 31, 2021, so ORM's warranty is separate.
WS-C3750X-48U-E supports 60W UPOE per port, while WS-C3750X-48PF-E supports 30W PoE+ per port. Both models are discontinued. The UPOE configuration suits legacy higher-draw powered endpoints; the PoE+ configuration suits existing endpoint inventories that do not require power beyond the PoE+ per-port limit.
WS-C3750X-48U-E carries IP Services, while WS-C3750X-48U-S carries IP Base; both are discontinued. IP Services enables full OSPF, EIGRP, and BGP. The E variant suits legacy networks requiring those advanced routing features, while the S variant suits baseline routed access within the IP Base feature set.
WS-C3750X-48U-E is discontinued and past Cisco's last support date, while C9300-48U-A is the current migration-chain destination. The intervening WS-C3850-48U-E is also discontinued, with support ending October 31, 2025. The older switch suits legacy sparing; C9300-48U-A suits buyers replacing unsupported hardware with a current 48-port UPOE model.
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