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WS-C3750X-24U-S
Cisco WS-C3750X-24U-S Catalyst 3750-X 24-Port Gigabit UPOE S...
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WS-C3750X-24U-S is a managed Layer 3 access switch with 24 Gigabit copper ports supporting UPOE. Its 1U rack-mount chassis has an empty modular uplink bay for separately ordered 1G or 10G uplinks, rather than built-in fiber uplinks. The Catalyst 3750-X combines enterprise access switching with the IP Base feature set, including routed-access capabilities. UPOE extends endpoint power beyond PoE+ while retaining compatibility with lower-power PoE equipment. The discontinued WS-C3750X-24P-S provides PoE+ instead, distinguishing the two models by endpoint power requirements. This 24-port Gigabit UPOE access switch accommodates equipment such as wireless access points, IP phones, and UPOE-powered desktop endpoints. The base configuration includes one internal power supply, with a second supply bay available for an additional unit.
WS-C3750X-24U-S price for new stock is $10,741.50, a 50% saving from the Cisco list price of $21,483.00. WS-C3750X-24U-S refurb price is $1,256.72. WS-C3750X-24U-S is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for WS-C3750X-24U-S for additional pricing. Browse the full Cisco 3750X Catalyst Switches series or explore all Cisco products.
160 Gbps switching capacity handles local switching traffic, while 65.5 Mpps forwarding applies to a configuration equipped with two 10GbE uplinks. 800W of shared PoE allocation accompanies the standard C3KX-PWR-1100WAC; two C3KX-PWR-1100WAC supplies provide an 1800W UPOE budget. OSPF for routed access, Static routing, RIPv1, RIPv2, RIPng, and EIGRP Stub belong to IP Base; full OSPF, EIGRP, BGPv4, and IS-ISv4 require IP Services. WS-C3750X-24U-S pairs 256 MB of DRAM with 64 MB of flash for its Cisco IOS software and saved configuration. Forwarding-resource allocation changes with the selected template, so maximum MAC capacity and maximum route capacity are not simultaneous allocations. RSTP and MSTP control Layer 2 topology, while host-facing MACsec provides Ethernet confidentiality and integrity. The Cisco Catalyst 3750-X also supports modular fan cooling, with C3KX-FAN-23CFM= available as a fan-module spare.
New sealed and certified refurbished WS-C3750X-24U-S units carry ORM coverage: up to a 3-year extended warranty for new hardware and up to 1 year for certified refurbished hardware, with 30-day returns in every condition; terms apply. Cisco's enhanced limited lifetime coverage ended October 31, 2021; 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, with firmware verified and configuration wiped to factory default. Specify the condition and included hardware before issuing the purchase order. POs are accepted, government buyers receive Net-30 terms, and RMA includes advance replacement; confirm quantities and configuration for enterprise and volume orders.
| Key Specs | Key Spec Values |
|---|---|
Operating System | Cisco IOS. |
License Tier | IP Base. |
Port Configuration | 24 x 1G UPOE / modular uplink bay. |
PoE Budget | 800W standard / 1800W with dual C3KX-PWR-1100WAC. |
Lifecycle Status | Cisco support ended October 31, 2021. |
Replacement PID | C9300-24U-A; intermediate WS-C3850-24U-S discontinued. |
In a 1,000-user corporate campus, IT teams deploy the WS-C3750X-24U-S Catalyst 3750X 24-Port UPOE IP Base to power 200 IP phones and 50 802.11ac access points over a single switch. Centralized UPOE provisioning eliminates separate power injectors, reduces rack space by 40%, and enforces QoS policies for crystal-clear voice and wireless performance.
A global headquarters integrates 35 HD video endpoints and 20 digital signage displays using the WS-C3750X-24U-S. Its 60W UPOE per port drives cameras and LED screens directly, removing external power bricks. The switch’s resilient Cisco StackWise Plus architecture ensures 99.999% uptime for real-time collaboration and dynamic content delivery.
A healthcare facility implements smart HVAC sensors, IP door controllers, and environmental monitors at campus edges. The WS-C3750X-24U-S provides secure VLAN segmentation and up to 24 UPOE ports to power all devices, simplifying cabling and enabling remote monitoring via IP Base features. Outcome: 30% lower deployment cost and enhanced operational visibility.
An existing installation that pools switch power needs a StackPower layout planned separately from its data stack. A StackPower group contains four switches, and CAB-SPWR-30CM= or CAB-SPWR-150CM= provides the dedicated connection. Identify each group's power-sharing or redundancy mode, cable reach, and member placement before issuing the purchase order.
A staging location that starts equipment from cold needs an ambient temperature of at least 0°C for startup. The installed C3KX-PWR-1100WAC also extends beyond the chassis, so rack depth alone does not establish rear clearance. Confirm startup conditions and space for the supply and power connection before ordering.
A distributed WS-C3750X-24U-S estate can specify replacement inventory against ORM's regional stock and RMA coverage in the UK, EU, US, and MEA. Keep the requested condition, installed-license requirement, and included hardware explicit for each spare. Specify the destination region and required configuration on the purchase order.
Continued Cisco service coverage
Cisco service for WS-C3750X-24U-S ended October 31, 2021. C9300-24U-A is the current migration destination after the discontinued WS-C3850-24U-S.
Full dynamic routing under IP Base
IP Base limits OSPF to routed access and EIGRP to stub operation; full OSPF, EIGRP, BGPv4, and IS-ISv4 require IP Services rather than the as-shipped license.
Uplinks faster than 10G
WS-C3750X-24U-S accepts uplink modules rated for 1G or 10G operation. Requirements beyond 10G cannot be met through its modular uplink bay.
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| WS-C3750X-24U-S |  WS-C3750X-48P-L |  WS-C3750X-24T-S |  WS-C3750X-48T-E |  WS-C3750X-48PF-L | |
|---|---|---|---|---|---|
| Depth | 495 mm | 460 mm | 460 mm | 460 mm | 495 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-24U-S | WS-C3750X-48P-L | WS-C3750X-24T-S | WS-C3750X-48T-E | WS-C3750X-48PF-L |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Power Consumption | 137.21W (100% traffic / no PoE load / C3KX-SM-10G installed) | 134.9W at 0% traffic without PoE load using C3KX-NM-1G | 130.45W | 126W at 100% traffic with C3KX-NM-10G | 137.2W / C3KX-NM-1G installed / 100% traffic / no PoE load |
| Switching Capacity | 160 Gbps | 160 Gbps | 160 Gbps | 160 Gbps | 160 Gbps |
| Weight | 7.3 kg | 7.5 kg | 7.1 kg | 7.4 kg | 7.6 kg |
| Width | 445 mm | 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 2 November 2021
24-port UPOE IP Services switch performs consistently and is easy to deploy.
Reviewed on the 7 June 2018
Stable throughput and predictable operation.
Reviewed on the 24 February 2022
Handles PoE devices efficiently in small branch networks.
Reviewed on the 18 January 2020
Reliable Cisco switch, minimal downtime.
Reviewed on the 28 September 2022
Compact design with enterprise-quality performance.
WS-C3750X-24U-S identifies a stackable Catalyst 3750-X with 24 UPOE Ethernet ports and IP Base software. WS-C3750X identifies the switch family, 24 indicates the access-port count, U identifies UPOE, and S identifies IP Base. The configuration also includes one C3KX-PWR-1100WAC and an empty modular uplink bay.
WS-C3750X-24U-S provides an 800W shared PoE budget with its standard C3KX-PWR-1100WAC, and UPOE supports 60W per port. Two C3KX-PWR-1100WAC supplies increase the available budget to 1800W. The per-port capability and shared allocation are separate limits, so size the supply configuration against the simultaneous endpoint demand.
No, WS-C3750X-24U-S ships without an uplink module. C3KX-NM-1G provides four 1G SFP ports, C3KX-NM-10G supports two 10G SFP+ links, and C3KX-NM-10GT provides two 10G copper links. C3KX-SM-10G adds two 10G SFP+ interfaces with Flexible NetFlow and MACsec. Specify compatible optics separately for fiber connections.
Yes, Catalyst 3750-X switches support StackWise Plus stacks of nine members with 64 Gbps stacking throughput. Data-stack connections use CAB-STACK-50CM=, CAB-STACK-1M=, or CAB-STACK-3M=. LAN Base members cannot mix with IP Base or IP Services members. StackPower uses different connectors and cables, so specify data-stack and power-stack connections separately.
The Catalyst 3750-X supports CLI management over Telnet or SSH, SNMP management, PC-based configuration, and CiscoWorks LAN Management Solution. SSH and encrypted SNMPv3 require a cryptographic software image. A hardware stack is managed as one logical switching system through its elected primary member and shared management address.
WS-C3750X-24U-S supports 11000 total unicast routes with the routing template, comprising 3000 directly connected hosts and 8000 indirect routes. The default template provides 8000 total routes instead. Template selection reallocates forwarding resources between routing and MAC entries, so the maximum MAC and route figures are not simultaneous allocations.
WS-C3750X-24U-S includes IP Base, activated through an on-device license file; IP Services requires a feature-set upgrade. The 24-port paths include C3750X-24-IOS-S-E for factory activation, C3750X-24-S-E for paper licensing, and L-C3750X-24-S-E for electronic licensing. Confirm the activated feature set on the supplied unit before placing the order.
Yes, WS-C3750X-24U-S reached end of sale on October 30, 2016, and its last date of Cisco support was October 31, 2021. Software maintenance ended October 30, 2017, and vulnerability support ended October 30, 2019. Cisco service has ended, so an order cannot restore active Cisco support eligibility.
WS-C3750X-24U-S supports 60W UPOE per access port, whereas WS-C3750X-24P-S supports 30W PoE+. Both models have 24 Gigabit access ports and are discontinued. The UPOE model addresses endpoints that exceed PoE+ power requirements; the PoE+ model addresses lower-power equipment. Neither model is a current Cisco migration destination.
WS-C3750X-24U-S includes IP Base, while WS-C3750X-24U-E includes IP Services. IP Base supports routed-access OSPF and EIGRP Stub; IP Services adds full OSPF, EIGRP, BGPv4, and IS-ISv4. Both are discontinued. The IP Base configuration addresses routed-access requirements, while the IP Services configuration addresses advanced routing requirements.
WS-C3750X-24U-S is past its October 31, 2021 support deadline, whereas C9300-24U-A is the current migration destination. The intervening WS-C3850-24U-S is discontinued and passed its October 31, 2025 support deadline. The older model serves legacy replacement requirements; C9300-24U-A serves buyers migrating to a current Cisco product.
WS-C3750X-24U-S ships with one C3KX-PWR-1100WAC, rated for 1100W output, and an empty second supply bay. A second C3KX-PWR-1100WAC is optional rather than standard equipment. The supplied AC configuration accepts 115-240V AC; specify any additional supply and the required regional power cord explicitly on the purchase order.
New sealed and certified refurbished WS-C3750X-24U-S units carry ORM warranties: new hardware receives up to a 3-year extended warranty; certified refurbished hardware receives up to 1 year. Returns are accepted within 30 days in every condition; terms apply. Cisco's enhanced limited lifetime hardware warranty coverage ended October 31, 2021.
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