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WS-C3750X-48P-S
Cisco WS-C3750X-48P-S Catalyst 3750-X 48-Port Gigabit PoE+ S...
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WS-C3750X-48P-S is a managed Layer 3 enterprise access switch with 48 10/100/1000 PoE+ downlinks, an IP Base image, and a modular uplink bay that ships empty. The Catalyst 3750-X model uses Cisco StackWise Plus for stackable campus wiring closets, while C3KX-NM-1G=, C3KX-NM-10G=, C3KX-NM-10GT=, or C3KX-SM-10G= adds uplinks when ordered with the chassis. Its 1U rack form factor and Cisco IOS feature set suit phone, access point, and desktop edge ports that need routed access rather than Layer 2 only. WS-C3750X-48P-E keeps the same 48-port PoE+ hardware class but carries the IP Services feature set.
WS-C3750X-48P-S price for new stock is $2,047.50, a 86.4% saving from the Cisco list price of $15,000.00. WS-C3750X-48P-S refurb price is $134.38. WS-C3750X-48P-S is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for WS-C3750X-48P-S for additional pricing. Browse the full Cisco 3750X Catalyst Switches series or explore all Cisco products.
160 Gbps switching fabric and 101.2 Mpps forwarding with two 10GbE uplinks support high-density Gigabit access aggregation in a StackWise Plus stack. 435W of PoE is available from the shipped C3KX-PWR-715WAC supply, and the second supply bay accepts another modular supply for redundancy or higher PoE combinations. Static routing, RIPv1, RIPv2, RIPng, EIGRP Stub, and OSPF for routed access are available in IP Base; PBR, BGPv4, IS-ISv4, full OSPF, PIM, and VRF-Lite require IP Services. WS-C3750X-48P-S provides 256 MB DRAM, 64 MB flash, 1005 VLANs, 1K SVIs, 12000 MAC entries under the VLAN template, and 11000 unicast routes under the routing template. Management uses the console, out-of-band Ethernet, CLI over Telnet or SSH, and SNMPv3.
WS-C3750X-48P-S is available from ORM Systems as new sealed or certified refurbished. Refurbished managed units are inspected and bench-tested with power-on and POST, every port linked at rated speed, PoE output verified under load on every powered port, module bay recognition, stack adapter negotiation, PSU and fan status, firmware verified, and configuration wiped to factory default. Add the switch, selected C3KX-NM-1G=, C3KX-NM-10G=, C3KX-NM-10GT=, or C3KX-SM-10G=, power cord, and CAB-STACK-50CM=, CAB-STACK-1M=, or CAB-STACK-3M= to the purchase order. New hardware can include up to a 3-year extended warranty, certified refurbished units up to 1 year, returns are 30 days on every condition, and PO, Net-30 government, advance-replacement RMA, and UK, EU, US, and MEA stock and RMA options support volume orders.
| Key Specs | Key Spec Values |
|---|---|
Operating System | Cisco IOS |
License Tier | IP Base |
Port Configuration | 48 x 1G PoE+, modular uplink bay |
PoE Budget | 435W with C3KX-PWR-715WAC |
Stacking | StackWise Plus, 9 members |
Replacement PID | WS-C3850-48P-S discontinued / C9300-48P-A current |
In a 1,000-employee corporate campus deploying 200+ IP desk phones and 150 wireless access points across three floors, IT architects use the WS-C3750X-48P-S Catalyst 3750X 48 Port PoE IP Base to deliver 370W PoE power, advanced QoS and StackWise Plus high-availability. The result is seamless voice/video quality, simplified switch stacking, centralized management via Cisco IOS IP Base and a 40% reduction in network downtime.
A regional retail chain equips 10 stores with 48 PoE-powered HD cameras, door controllers and RFID readers per location. By deploying WS-C3750X-48P-S Catalyst 3750X 48 Port PoE IP Base at each site, security teams gain robust PoE power budgeting, Layer 3 SVI segmentation for secure VLANs and Cisco TrustSec device authentication. This delivers real-time video integrity, PCI-compliant access control and a 30% drop in investigative response time.
A multinational corporation consolidates 25 branch offices under a uniform network design. Each branch installs a WS-C3750X-48P-S Catalyst 3750X 48 Port PoE IP Base as the primary aggregation switch, supporting static/dynamic Layer 3 routing, DHCP snooping and 48 PoE endpoints (IP phones, APs). The deployment achieves under-5ms failover, automated port security and a 50% reduction in branch-level IT support tickets.
A campus still running Catalyst 3750-X stacks may need a like-for-like spare that preserves StackWise Plus operation and 48 PoE+ access ports. Match the existing feature set, specify the same C3KX uplink module family, and add the correct CAB-STACK cable length before issuing the PO.
A phone and access point refresh can exhaust shared PoE before all 48 ports reach their endpoint class. Use the 435W budget, endpoint draw list, and C3KX-PWR-1100WAC= combinations to size whether the purchase order needs an added power supply.
A wiring closet that needs baseline Layer 3 at the access layer can use IP Base for Static, RIPv1, RIPv2, RIPng, EIGRP Stub, and OSPF for routed access. If PBR or BGPv4 is required, include the IP Services upgrade license on the order.
Active Cisco support
Cisco support for this model ended 31 October 2021; use C9300-48P-A for the current successor in the replacement chain.
Full 48-port PoE+
The shipped 435W PoE budget is below 48 × 30W; the full-PoE chain for this family reaches C9300-48P-A.
Fixed uplinks
The base chassis ships without an uplink module, so C3KX-NM-1G=, C3KX-NM-10G=, C3KX-NM-10GT=, or C3KX-SM-10G= is required.
UPOE endpoint power
PoE+ is the port class, not UPOE; the UPOE successor chain for 48-port IP Base units reaches C9300-48U-A.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| WS-C3750X-48P-S |  WS-C3750X-48PF-S |  WS-C3750X-12S-S |  WS-C3750X-48P-E |  WS-C3750X-48U-L | |
|---|---|---|---|---|---|
| Depth | 495 mm | 495 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 | 128 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-48P-S | WS-C3750X-48PF-S | WS-C3750X-12S-S | WS-C3750X-48P-E | WS-C3750X-48U-L |
| Memory | 256 MB | 256 MB | 512 MB | 256 MB | 256 MB |
| Power Consumption | 715W PSU maximum / 170.36W no PoE load with C3KX-SM-10G= | 142.9W (C3KX-NM-10G installed / 100% traffic / no PoE load) | 130.3W with C3KX-SM-10G at 100% traffic | 134.9W (C3KX-NM-1G installed / no PoE load / 0% traffic) | 129.48W with C3KX-NM-10G installed / no PoE load |
| Switching Capacity | 160 Gbps | 160 Gbps | 160 Gbps | 160 Gbps | 160 Gbps |
| Weight | 7.5 kg | 7.6 kg | 6.8 kg. | 7.5 kg. | 7.6 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 22 October 2018
48-port PoE switch handles high-density device deployments reliably.
Reviewed on the 16 May 2023
Stable power delivery and predictable performance for IP phones and cameras.
Reviewed on the 8 May 2026
Well-suited for enterprise access layer deployments.
Reviewed on the 5 January 2022
Compact design, easy to configure, and dependable.
Reviewed on the 4 October 2018
Cisco reliability ensures minimal downtime.
WS-C3750X-48P-S is a Cisco Catalyst 3750-X stackable 48-port 10/100/1000 PoE+ access switch with the IP Base feature set. The base chassis ships with C3KX-PWR-715WAC, a modular uplink bay, StackWise Plus stacking, and 435W of available PoE power for connected endpoints.
WS-C3750X-48P-S means a Catalyst 3750-X switch in the 48-port PoE+ IP Base configuration. WS-C3750X identifies the switch family, 48P identifies 48 10/100/1000 Ethernet PoE+ ports, and S identifies the IP Base feature set on this product row.
WS-C3750X-48P-S is managed locally through the console or Ethernet management port and remotely with CLI over Telnet or SSH plus SNMP. StackWise Plus presents a stack as one logical unit with one primary switch, one IP address, one Telnet session, and one command-line interface.
WS-C3750X-48P-S is end of support; the last date of Cisco support was 31 October 2021. Cisco announced end of life on 31 October 2015 and end of sale on 30 October 2016, with WS-C3850-48P-S listed as the direct replacement.
WS-C3750X-48P-S is available from ORM Systems new sealed or certified refurbished, with new units eligible for up to a 3-year extended warranty and certified refurbished units up to 1 year. Cisco's enhanced limited lifetime hardware warranty was bounded by the 31 October 2021 last support date.
WS-C3750X-48P-S replaced WS-C3750E-48PD-S and WS-C3750G-48PS-S in the older Catalyst 3750-E and Catalyst 3750G migration path. Both predecessor rows carried 48-port Gigabit PoE descriptions, and their end-of-sale milestone was 30 January 2013.
WS-C3750X-48P-S ships with the IP Base feature set, and the 48-port IP Base to IP Services upgrade is available through C3750X-48-S-E or L-C3750X-48-S-E. IP Base includes baseline Layer 3 services; IP Services adds full OSPF, EIGRP, BGPv4, IS-ISv4, PIM, PBR, and VRF-Lite.
Yes, WS-C3750X-48P-S has 48 PoE+ ports and 435W of available PoE power with the shipped C3KX-PWR-715WAC. PoE+ can deliver up to 30W per port, so a full 48-port PoE+ load requires C3KX-PWR-1100WAC= supply combinations.
WS-C3750X-48P-S uses a modular uplink bay and does not include an uplink module in the default configuration. Supported modules are C3KX-NM-1G=, C3KX-NM-10G=, C3KX-NM-10GT=, and C3KX-SM-10G=; order optics or copper cabling separately for the selected module.
Catalyst 3750-X StackWise Plus stacks up to nine switches as one logical unit. The stack provides 64 Gbps of StackWise Plus throughput, uses CAB-STACK-50CM=, CAB-STACK-1M=, or CAB-STACK-3M= cables, and can mix individual 10/100/1000 units in supported combinations.
WS-C3750X-48P-S provides 48 PoE+ ports and 435W PoE, while WS-C3750X-48T-S provides 48 10/100/1000 Ethernet ports with a 350W AC power supply and no PoE budget. Choose WS-C3750X-48P-S for powered endpoints and WS-C3750X-48T-S for data-only access ports.
WS-C3750X-48P-E carries the IP Services feature set where WS-C3750X-48P-S carries IP Base. Both are 48-port PoE+ Catalyst 3750-X models with C3KX-PWR-715WAC; WS-C3750X-48P-E fits designs needing advanced Layer 3 features, while WS-C3750X-48P-S fits baseline routed access.
C9300-48P-A is the current successor in the lifecycle chain, while WS-C3750X-48P-S reached last support on 31 October 2021. C9300-48P-A suits new standardized Catalyst 9300 access builds; WS-C3750X-48P-S suits sparing or matching existing Catalyst 3750-X stacks.
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