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WS-C4948E-F
Cisco WS-C4948E-F Catalyst 4948E 48-Port Gigabit Switch, 4x1...
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WS-C4948E-F is a front-exhaust data center switch with 48 Gigabit copper access ports and four fixed 10G SFP+ uplinks. Rear-to-front cooling distinguishes this model for server cabinets that require exhaust at the network-port side, without side or top ventilation. The Catalyst 4948E-F uses a 1U chassis for top-of-rack server access, with non-PoE downlinks for independently powered equipment. Its uplink cages also accept supported 1G SFP optics, allowing upstream speed selection without replacing a network module. The discontinued WS-C4948E reverses the airflow direction, using front-to-back cooling instead. LAN Base provides the lowest software configuration, including static routing in supported releases; dynamic routing depends on the selected software entitlement.
WS-C4948E-F price for new stock is $1,795.50, a 88.4% saving from the Cisco list price of $15,525.00. WS-C4948E-F refurb price is $339.57. WS-C4948E-F is in stock and available for free next-day delivery. (terms applied)
Request bulk order quote for WS-C4948E-F for additional pricing. Browse the full Cisco 4900 Catalyst Switches series or explore all Cisco products.
176 Gbps switching capacity supports nonblocking traffic across the fixed port configuration. 131 Mpps IPv4 forwarding and 110 Mpps IPv6 forwarding distinguish packet-processing performance from aggregate switching bandwidth. A shared 17.5 MB packet buffer accommodates traffic bursts, while the 55000-entry MAC address capacity supports server environments carrying multiple endpoint addresses. WS-C4948E-F uses 1 GB of DRAM to run Cisco IOS and its control functions. Static IPv4/IPv6 routing is available with LAN Base; OSPF, EIGRP and BGP are not included in that tier. IP Base adds OSPF routed access with a 1000-route limit, while Enterprise Services enables enhanced routing. Management includes a web interface, console access, CLI over Telnet or SSHv2, and SNMP/SNMPv3. SSH access requires the appropriate cryptographic image. The dedicated Ethernet management interface provides out-of-band administration separately from server connections.
WS-C4948E-F is available new sealed or certified refurbished; specify condition and quantity on the PO. Certified refurbished units are inspected and bench-tested for power-on and POST, rated-speed links on every port, clean boot and optics bay recognition, with firmware verified and configuration wiped to factory default. ORM provides up to a 3-year extended warranty for new units and up to 1 year for certified refurbished units, plus 30-day returns on every condition; terms apply, and Cisco hardware warranty and service ended October 31, 2022. POs are accepted, with Net-30 for government, RMA with advance replacement and regional stock/RMA across the UK, EU, US and MEA for enterprise and volume orders.
| Key Specs | Key Spec Values |
|---|---|
Operating System | Cisco IOS |
Port Configuration | 48 x 1G copper / 4 x 10G SFP+ |
Max Power Draw | 275W |
Replaces | WS-C4948: August 1, 2013 / WS-C4948-10GE: February 28, 2013 |
Ships Without | Power supply |
Lifecycle Status | Cisco support ended October 31, 2022 |
Deploy the WS-C4948E-F Catalyst 4948E as a top-of-rack switch in VMware or Hyper-V clusters to aggregate 48 server ports and four 10 Gb SFP+ uplinks. This high-density, wire-rate solution delivers sub-microsecond latency and non-blocking throughput for East-West traffic, simplifying network virtualization. Benefit: Boosts application performance by up to 30 %, slashes inter-server latency, and streamlines data-center scalability.
Use the WS-C4948E-F Catalyst 4948E at the distribution layer of a corporate campus to power and manage 802.3at IP phones, Wi-Fi access points, and modern workstations. With 48 Gigabit PoE+ ports and four SFP+ uplinks, it enforces QoS, role-based access control, and seamless voice-data convergence. Benefit: Cuts wiring and UPS costs by 40 %, improves call quality with enterprise-grade QoS, and accelerates device deployments.
Implement the WS-C4948E-F Catalyst 4948E as the aggregation switch for 4K-capable IP cameras in smart-city or retail environments. Its 48 Gigabit ports and four dedicated 10 Gb uplinks deliver guaranteed bandwidth, hardware time-stamping, and robust security segmentation. Benefit: Ensures 100 % frame integrity under peak load, reduces video-storage latency by 50 %, and enforces CCTV network isolation.
When replacing an installed WS-C4948 or WS-C4948-10GE, this chassis follows an established migration path for those discontinued switches. Their end-of-sale dates were August 1, 2013 and February 28, 2013, respectively. Match the existing cabinet airflow and software requirements before specifying the replacement order.
When preparing recovered hardware for a lab or spare pool, the boot ROM version needs attention before loading the intended operating image. The Catalyst 4948E-F requires ROMMON 12.2(44r)SG9 at minimum, with 12.2(44r)SG10 recommended. Include boot-ROM verification in the staging requirements before releasing the PO.
When consolidating server connections carrying different traffic priorities, the switch provides eight queues per port and Dynamic Buffer Limiting for queue management. Existing QoS policies therefore need an explicit queue and classification plan rather than a port-count-only purchase decision. Specify the required policy configuration before ordering staged units.
10G copper server access
WS-C4948E-F copper access ports stop at 1GbE. Its 10G connections use SFP+ uplink cages, so the chassis does not provide native 10GBASE-T server downlinks.
PoE power for connected endpoints
WS-C4948E-F does not supply PoE from its access ports. Phones, cameras and access points requiring power through their network connection need a different power arrangement.
Active Cisco hardware service coverage
WS-C4948E-F passed its last date of support on October 31, 2022. Cisco hardware service is unavailable, regardless of whether the purchased unit is unused or refurbished.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| WS-C4948E-F |  4900M-BLK-CVR |  WS-C4948-10GE-S |  WS-X4908-10GE |  WS-C4948-10GE-E | |
|---|---|---|---|---|---|
| Ethernet Technology | Gigabit Ethernet | 10/100/1000 | Gigabit Ethernet | 10 Gigabit Ethernet | Gigabit Ethernet |
| Form Factor | Rack-Mount 1U | Rack-mount | Rack-Mount 1U | Chassis | Rack-Mount 1U |
| Manufacturer Part Number | WS-C4948E-F | 4900M-BLK-CVR | WS-C4948-10GE-S | WS-X4908-10GE | WS-C4948-10GE-E |
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 90 days, for dependable protection on every order. The exact term is confirmed on your quote, order confirmation and invoice.
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.
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Reviewed on the 20 October 2021
Front airflow made rack planning easier.
Reviewed on the 31 March 2019
Consistent uptime.
Reviewed on the 4 March 2021
Strong enterprise switch.
Reviewed on the 1 March 2020
Reliable operation.
Reviewed on the 10 April 2017
Happy with purchase.
WS-C4948E-F identifies Catalyst 4948E hardware with 48 Gigabit copper ports, four SFP+ uplinks and front exhaust, indicated by the final F. The unsuffixed hardware configuration excludes a power supply. WS-C4948E-F-S adds IP Base software and AC power; WS-C4948E-F-E adds Enterprise Services software and AC power.
WS-C4948E-F supports a web interface, console/serial access, CLI over Telnet or SSHv2, and SNMP/SNMPv3 management. A dedicated Ethernet management port supports out-of-band administration. SSHv2 requires a cryptographic software image, so the installed image and permitted management methods should be specified when arranging configuration or staging.
WS-C4948E-F is discontinued: end-of-sale was October 31, 2017, and Cisco support ended October 31, 2022. Software maintenance ended October 31, 2018, followed by vulnerability/security support on October 30, 2020. Unused inventory does not restart those milestones or make the hardware eligible for renewed Cisco service.
ORM Systems offers WS-C4948E-F 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. Returns are accepted for 30 days on every condition; terms apply. Cisco hardware warranty and service ended October 31, 2022.
WS-C4948E-F supports LAN Base, IP Base and Enterprise Services software images, with software selected separately for the base hardware. An IP Base upgrade license, WS-C4900-SW-LIC, provides an upgrade from LAN Base. Specify the required image and entitlement explicitly rather than treating the hardware condition as proof of licensing.
WS-C4948E-F was a replacement option for WS-C4948 and WS-C4948-10GE, both discontinued predecessors. WS-C4948 reached end-of-sale on August 1, 2013, while WS-C4948-10GE reached that milestone on February 28, 2013. The replacement relationship does not make WS-C4948E-F current; its own Cisco support has also ended.
The Catalyst 4948E provides four fixed uplink cages supporting 1G SFP or 10G SFP+ operation with compatible transceivers. These are built-in connections rather than a removable uplink-card bay. Select the transceiver speed, fiber type and reach to match the remote interface before finalizing the link accessories.
WS-C4948E-F accepts the front-exhaust PWR-C49E-300AC-F AC supply, while the base chassis ships without a power supply. PWR-C49E-300AC-F/2 is the redundant AC supply option, and PWR-C49-300DC-F provides DC power. Specify the input type and required supply quantity explicitly instead of assuming the chassis includes installed power.
WS-C4948E-F provides 176 Gbps switching capacity, with forwarding rates of 131 Mpps for IPv4 and 110 Mpps for IPv6. Its shared packet buffer is 17.5 MB. These figures describe different resources, so compare packet rate, aggregate bandwidth and buffering separately when assessing the intended server traffic.
WS-C4948E-F uses rear-to-front airflow, whereas WS-C4948E uses front-to-back airflow; both models are discontinued. Their fixed access and uplink configurations are otherwise equivalent. For legacy replacement, WS-C4948E-F matches cabinets needing front exhaust, while WS-C4948E matches cabinets needing rear exhaust; neither provides an active Cisco hardware support path.
WS-C4948E-F ships without a power supply, whereas WS-C4948E-F-S includes AC power; both configurations are discontinued. The base chassis requires a separate supply selection, while the suffixed configuration packages AC power with the chassis. Legacy buyers specifying power separately use the base form; bundled-configuration buyers use the suffixed form.
WS-C4948E-F-E includes Enterprise Services software, whereas WS-C4948E-F leaves the software selection separate; both configurations are discontinued. Enterprise Services enables enhanced routing, including BGP, OSPF, IS-IS and EIGRP. Legacy buyers needing that software bundle distinguish it from buyers specifying the base chassis and software entitlement separately.
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