Please allow ~2-3 weeks to dispatch for quality control. Product images are for illustrative purposes only and may contain AI-generated content; they may not represent the final product you receive. Products are subject to the cosmetic grading policy detailed here.
If you are ordering a device that does not include a Windows 11 licence as standard, please check Microsoft's minimum system requirements to confirm if it can be upgraded later should you wish to do so.
Certified Refurbished Cisco Catalyst WS-C3750X-48P-S 48-Port Gigabit PoE+ Layer 3 Managed Switch
The Cisco Catalyst WS-C3750X-48P-S is a certified refurbished enterprise-grade Layer 3 stackable managed switch featuring 48 x 10/100/1000 Gigabit Ethernet PoE+ ports, 256 MB RAM, 128 MB Flash memory, 160 Gbps switching capacity, IP Base feature set with advanced routing capabilities, four optional uplink network module slots supporting GigE or 10GigE connectivity, 715W PoE power budget delivering up to 30W per port, and rack-mountable design measuring 44.45 cm (W) x 45.72 cm (D) x 4.45 cm (H), making it ideal for high-density enterprise deployments requiring reliable power delivery and comprehensive network management.
Practical Applications
This versatile switch excels in medium to large enterprise environments where Power over Ethernet is essential for VoIP phones, wireless access points, IP cameras, and IoT devices. The StackWise Plus technology enables stacking up to nine switches as a single logical unit, providing 432 total Ethernet ports with 18 10GbE ports for campus networks, data centres, and distributed office locations. Layer 3 routing capabilities with the IP Base feature set support routed access configurations, reducing complexity and improving network segmentation.
Key Features and Benefits
- High-Density PoE+ Connectivity: 48 Gigabit Ethernet ports with Power over Ethernet Plus, each delivering up to 30W for powering modern IP devices
- Advanced Layer 3 Switching: IP Base feature set includes routing protocols, 1,000 VLANs, routed access, and StackPower support for enterprise-grade networking
- Exceptional Performance: 160 Gbps switching capacity with 65.5 Mpps forwarding rate ensures low-latency data transmission during peak usage
- Stackable Architecture: StackWise Plus technology creates unified management of up to nine switches with 480 Gbps stack bandwidth
- Energy Efficiency: EnergyWise technology and Energy Efficient Ethernet (EEE) support reduce operational costs whilst maintaining performance
- Comprehensive Security: Advanced access control lists, Private VLANs, Unicast RPF, and IGMP snooping protect against internal and external threats
- Flexible Uplink Options: Four network module slots support optional 1GbE or 10GbE uplinks for high-speed connectivity to distribution layers
- Enterprise Management: SNMP, RMON, and NTP support enable centralised monitoring, troubleshooting, and time synchronisation across the network
- Redundant Power Options: Supports optional C3KX-PWR-350WAC redundant power supply and StackPower for enhanced availability
- Quality of Service: Advanced QoS features prioritise critical applications including voice and video traffic
Technical Specifications
- Switching Capacity: 160 Gbps
- Forwarding Rate: 65.5 Mpps (million packets per second)
- Total PoE Power Budget: 715W across all 48 ports
- Available PoE Power: 435W with default power supply
- Operating Temperature Range: 0°C to 40°C
- Humidity Tolerance: 10% to 95% non-condensing
- Physical Dimensions: 44.45 cm (W) x 45.72 cm (D) x 4.45 cm (H)
- Default Power Supply: 715W AC
- LED Indicators: Status, Link, Speed, and Activity monitoring
- Mounting Type: 19-inch rack-mountable (1U)
Cisco IOS Operating System
The switch runs Cisco IOS, offering deep control over network behaviour through a command-line interface that exposes comprehensive configuration options for routing policies, security parameters, and interface customisation. Cisco IOS excels in standardisation and interoperability, following industry protocols that enable seamless integration with multi-vendor environments whilst providing enhanced features within Cisco-centric infrastructures. The operating system includes robust security tools such as integrated firewall functionality, intrusion prevention, IPsec VPN support, and Rapid Threat Containment for network defence. However, Cisco IOS presents a steeper learning curve compared to graphical interfaces due to its CLI-based configuration requiring familiarity with networking theory and device-specific syntax. The system's complexity demands rigorous planning and documentation to prevent unintended configuration impacts.
Cosmetic Grading Standards
Excellent Grade units show evidence of very light previous use with minor scuffing or abrasions associated with minimal standard use. The housing and external surfaces carry only very minor wear that is barely noticeable, and the switch body will not feature deep scratches, cracks, paint chips, or broken/missing pieces.
Good Grade units are fully tested and fully functional but may have light scratches on the external body with more excessive housing or external case wear than Excellent grade units. Good grade switches may feature one or several small dings, dents on covers, or small paint chips on the surface.
Quality Assurance and Warranty
Every Cisco Catalyst WS-C3750X-48P-S undergoes Reboot IT's Verified Refurb certification process, ensuring all features and functions have been thoroughly tested using cutting-edge diagnostic software. Since 2001, Reboot IT has been an industry expert in certified refurbished network equipment, delivering enterprise-grade switches verified through comprehensive testing protocols. This unit is backed by a 1-year warranty from Reboot IT, providing peace of mind and long-term reliability for your network infrastructure investment.
Upgrade your enterprise network with this certified refurbished Cisco Catalyst switch—delivering professional-grade performance, comprehensive PoE support, and proven reliability at exceptional value. Order now from Reboot IT.
| Network Connectivity | Wired-Ethernet (RJ-45) |
| Condition | A |
| Ethernet Technology | Gigabit Ethernet (1000-Mbit/s) |
| Model | WS-C3750X-48P-S |
| Type | Catalyst Switch |
| Network Management Type | Fully Managed |
| Brand | Cisco |
| Form Factor | Rack Mountable |
| Number Of Lan Ports | 48 |
| Maximum Lan Data Rate | 1000 Mbps/1 Gbps |
| Maximum Data Transfer Rate | 1 Gbps |
| Network Type | ATA over Ethernet |
| Warranty | 3 months |
| Interface | Ethernet (RJ-45) |
| Product Line | Catalyst |
Refurbished Computers - Cosmetic Grading Guide
Our supplier's refurbished hardware is typically graded either "Excellent" or "Good", however, some legacy products were graded under a letter grading system (A, B, C). Please find the definitions for each grade below and contact us if you're uncertain of a device's grade.
Used Smartphone / Refurbished Mobile Phones
"Excellent" Grade
Devices in this category appear like new, with very minor wear. Expect light or fine scratches on the screen that are shallow enough not to catch on a fingernail. The edge around the glass is virtually flawless, save for possible light scratching around the power port. The back plate may show light/fine scratches, including on the Apple logo, with any discoloration being minimal.
"Good" Grade
These devices are characterized by being fully tested and functional even if they have body scratches, minor paint chips, or a small hairline crack on the screen. Screens are free from dead pixels but may exhibit slight scratching from moderate use.
Refurbished Desktops, Laptops and Monitors
"Excellent" Grade - Laptops
Reserved for units that show barely any signs of previous use, these laptops may exhibit very minor scuffing or abrasions, associated only with minimal standard use. The keyboards show light wear, and importantly, the screens are pristine, free from any scratches, cracks, chips, dead pixels, dark spots, discoloration, or blemishes.
"Excellent" Grade - Desktops
Desktop PCs in the "Excellent" grade category are free from deep scratches, cracks, paint chips, or any broken/missing pieces, ensuring a sleek and almost-new aesthetic.
"Excellent" Grade - Monitors
"Excellent" grade is reserved for units that show evidence of very little to no previous use. Any wear on an "Excellent" Display, including housing/frame and/or external surfaces (i.e. Frame) is associated with standard minimal use. "Excellent" units may have minor scuffing and / or minor abrasions on plastics with from standard light previous use."Excellent" Displays will feature no scratches, cracks, chips, dead pixels, dark spots, discoloration or blemishes. Units will only feature the standard minimal wear and tear that is associated with a used unit.
"Good" Grade - Laptops
"Good" laptops may feature one or several small dings or dents on covers and / or small paint chips on the surface or small hairline cracks in the bezel. Laptop screens may feature uneven light diffusion in screen and may feature subtle blemishes. "Good" Laptops will not feature cracks screens but may feature slight scratching, dead pixels or white spots on the screen.
"Good" Grade - Desktops
"Good" grade desktops may have light scratches on external body and may feature more excessive unit housing and/or external case wear than "Excellent" units, including wear on case / lid. "Good" PCs may feature one or several small dings or dents on covers and / or small paint chips on the surface.
"Good" Grade - Monitors
Displays in the "Good" grade have been fully tested and are functional but may include scratches on body, small paint chips, minor cracks on body, loose and/or wobbly bases. "Good" Display screens may feature uneven light diffusion in screen and may feature subtle to moderate blemishes. "Good" Displays will not feature cracks on screens but may feature slight scratching on screen surfaces from moderate use or wear, dead pixels or white spots on the screen.
Legacy letter grading
Used Smartphone / Refurbished Mobile Phones
A Grade
- No chips, scratches or cracks on the front glass and housing
- No missing or alternative parts
- No sign of liquid damage
- Battery cannot be swollen
B Grade – Same as A Grade except:
- May have light scuffs but no chips or cracks
- Light scratches on housing or front glass
C-Grade – Same as B Grade except:
- Unlimited long shallow scratches on the front glass
- No chips or cracks on the front glass
- Unlimited scratches, chips/dents on back cover housing and corners
- Minor cracks allowed
- Customized housing and aftermarket covers allowed
Refurbished Desktops, Laptops and Monitors
A-Grade
- Overall excellent to very good cosmetic condition. Some may be pristine, others may have light scratches or minor blemishes
- Laptops may have some shiny areas around the keyboard such as the space bar, touchpad or touchpad buttons
- Keyboard keys will be in excellent condition
- Laptop and monitor screens will be blemish free
- Cosmetic blemishes will not impact the overall functionality or performance of the device
B-Grade
- Will have some cosmetic blemishes that include scratches and/or other imperfections
- Minor scratches and dents on the housing
- Laptops may have shiny keys or shiny surfaces around the keyboard however all characters will be legible
- Laptop and monitors screens will have imperfections such as minor scratches, minor chips and/or white spots. There will be no cracking on the screen
- Have the same warranty as A Grade
- Pricing will be cheaper than A Grade
C-Grade
- Same as B-Grade except may have unlimited scratches/blemishes on the screen
- May have cracks/chips or dents on the housing
- Have the same warranty as A Grade
- Pricing will be cheaper than B Grade
