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.


D-Link DGS-1100-24P Certified Refurbished 24-Port Gigabit Smart Managed PoE Switch
The D-Link DGS-1100-24P features 24 x 10/100/1000 Mbps Gigabit Ethernet ports with 12 PoE+ enabled ports (IEEE 802.3af/at, 30W max per port, 100W total budget), 48 Gbps switching capacity, 35.71 Mpps forwarding rate, 358 x 329 x 102 mm dimensions, and 2.15 kg weight, delivering professional-grade network performance for small to medium businesses requiring reliable Power over Ethernet capabilities.
Practical Applications
Deploy this certified refurbished switch in office environments to power and connect IP surveillance cameras, VoIP phones, and wireless access points without additional power supplies. The intelligent time-based PoE scheduling automatically powers down devices during off-hours, reducing energy costs whilst the remote PoE port cycling capability enables troubleshooting without physical access. Perfect for businesses consolidating data and video surveillance traffic through Surveillance VLAN, ensuring smooth real-time video transmission alongside standard network operations.
Advanced Features and Benefits
- Power over Ethernet Excellence: 12 PoE+ ports supporting up to 30W per port with 100W total budget eliminates cable clutter and simplifies deployment of powered devices
- Enterprise-Grade Traffic Management: QoS with 4 queues per port, Voice VLAN for VoIP prioritisation, and 802.1Q VLAN support (128 groups) ensures critical traffic flows smoothly
- Network Resilience: Link Aggregation (802.3ad) with 12 groups supporting 8 ports each, Spanning Tree Protocol (STP/RSTP), and jumbo frames up to 9,216 bytes maximise bandwidth efficiency
- Robust Security: Static MAC filtering (64 entries), Storm Control, DoS attack prevention, and traffic segmentation protect your network infrastructure
- Energy Efficiency: IEEE 802.3az Energy Efficient Ethernet and D-Link Green Technology with link-based power saving, cable length detection, LED shut-off, and system hibernation reduce operational costs
- Simple Management: Intuitive web-based GUI and SmartConsole Utility streamline configuration without requiring Command Line Interface expertise
Essential Technical Specifications
- Ports: 24 x 10/100/1000 Mbps Gigabit Ethernet (ports 1–12 PoE/PoE+ enabled)
- Switching Capacity: 48 Gbps
- Packet Forwarding Rate: 35.71 Mpps
- PoE Budget: 100W total, 30W maximum per port (IEEE 802.3af/at)
- VLAN Support: 802.1Q Tagged VLAN (128 groups), Surveillance VLAN, Voice VLAN
- Dimensions: 358 x 329 x 102 mm (W x D x H)
- Weight: 2.15 kg
- Power Consumption: 21.2W (PoE off) to 128.3W (PoE active)
- Cooling: 1 fan
- Mounting Options: Desktop placement or 19" rack mounting
Cosmetic Condition Guide
Excellent Grade shows minimal signs of use with only barely noticeable marks, ideal for professional environments where appearance matters. Good Grade displays more visible cosmetic wear such as light scratches or scuffs but maintains full functionality and performance. Both grades undergo identical rigorous testing and deliver the same reliable operation.
Quality Assurance and Warranty
All units are verified refurb through Reboot IT's thorough testing process. We tested all features and functions using cutting-edge diagnostic software to ensure complete reliability. Reboot IT has been an expert in the refurbished technology industry since 2001, bringing over two decades of experience to every certified refurbished device. This switch is sold by Reboot IT with a comprehensive 1 year warranty, providing peace of mind and dependable after-sales support.
Invest in certified refurbished networking excellence—order your D-Link DGS-1100-24P Smart Managed PoE Switch today and experience professional-grade performance at exceptional value!
| Model | DGS-3100 |
| Brand | D-Link |
| Ports | 24 |
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












