United StatesName:
Added to cart 28 times recently
In stock - Ready to Ship
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
DES-8503
D-Link DES-8503 final assembly chassis (including 1 fan tray...
TRUSTED, TRIED, PROVEN
Inventory Delivered By
& Verified By
Solutions Powered By
DES-8503 is a high-performance network switch designed with a modular architecture that supports seamless stacking and scalability. It features a robust design with diverse power options, comprehensive port configurations including Ethernet and SFP uplink ports, and is optimized for demanding use cases in enterprise and data center environments.
Leveraging both Layer 2 and Layer 3 capabilities, DES-8503 delivers consistent performance under heavy network loads while ensuring flexible connectivity and power management. Its durable rack-mount form factor and efficient architecture make it ideal for high-density network deployments and advanced data routing requirements.
DES-8503 price is is available on request. Get immediate quote.
Request bulk order quote for DES-8503 for additional pricing. Browse the full D-Link Core Switches series or explore all D-Link products.
In a global financial services data center, the DES-8503 final assembly chassis (including 1 fan tray, 2 power supply slots, standard configuration without power supply, 1 main control slot, 2 business slots) is deployed as the core aggregation switch. The 1 main control slot hosts a high-performance control module, while dual business slots carry 40 GbE line cards. Redundant PSUs and the dedicated fan tray ensure N+1 power and cooling resilience. Outcome: sub-50 μs latency, >99.999% uptime and seamless fail-over, meeting stringent SLAs for trading and risk systems.
A large university implements the DES-8503 final assembly chassis (including 1 fan tray, 2 power supply slots, standard configuration without power supply, 1 main control slot, 2 business slots) at each campus building distribution point. The modular chassis allows hot-swap power supplies and field-installable fan trays for on-demand upgrades. The 1 main control slot runs advanced routing protocols (VRRP, MSTP), while 2 business slots support 24×1 GbE and 4×10 GbE uplink modules. Outcome: flexible port scaling, centralized QoS, and simplified segmentation, delivering high-speed access for 30,000+ students and IoT devices.
An automotive assembly plant uses the DES-8503 final assembly chassis (including 1 fan tray, 2 power supply slots, standard configuration without power supply, 1 main control slot, 2 business slots) to build its mission-critical OT network backbone. The industrial-grade fan tray and redundant power supply slots (populated with diverse PSUs) maintain continuous operation in harsh environments. The main control slot runs deterministic L2/L3 switching, while business slots host TSN/QoS line cards for real-time control of PLCs and robotics. Outcome: zero unplanned downtime, deterministic latency below 2 ms, and 15% productivity uplift under Industry 4.0 standards.
To get the detailed certification, please go to the Compliance Center.
 DES-8503 |  DES-85-24GE-TX |  DES-85-48GE-TX-MPLSE |  DES-85-48GE-TX-MPLS-L |  DES-85-48GE-SFP-MPLS-L | |
|---|---|---|---|---|---|
| Depth | 12 inches | 11 inches | 18 inches | 18 inches | 18 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 256 MB | 64 MB | 64 MB | 32 MB | 64 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1.75 inches | 1.75 inches | 1.75 inches | 1.75 inches | 1 RU |
| IOS | LAN Base | LAN Lite | IP Lite | IP Services | N/A |
| Interface Ports | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 / Layer 3 | Layer 2 | Layer 2 | Layer 3 | Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | DES-8503 | DES-85-24GE-TX | DES-85-48GE-TX-MPLSE | DES-85-48GE-TX-MPLS-L | DES-85-48GE-SFP-MPLS-L |
| Media Type Supported | Twisted Pair | Twisted Pair | Twisted Pair | Twisted Pair | Combo |
| Memory | 512 MB | 128 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 48 Ports | 24 Ports | 48 Ports | 48 Ports | 48 Ports |
| Number of Ethernet Ports | 24–48 Ports | 12–24 Ports | 24–48 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | POE+ | Non POE | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | 2 expansion slots available | 24 10/100/1000 TX ports, 4 SFP ports | 48 Gigabit Ethernet ports, 4 SFP uplink ports | 48 GE ports, 4 SFP uplink ports | 48 Gigabit Ethernet ports with 4 dedicated SFP uplink slots |
| Power Consumption | 75W | 35 W | N/A | N/A | N/A |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply | AC Power Supply/Redundant Power Supply |
| Product Name | DES-8503 Enterprise Switch | DES-85-24GE-TX Ethernet Managed Switch | DES-85-48GE-TX-MPLSE Gigabit Managed Ethernet Switch | DES-85-48GE-TX-MPLS-L Network Switch | DES-85-48GE-SFP-MPLS-L Gigabit Ethernet Managed Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | Yes | No | No | No | Yes |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 640 Gbps | 48 Gbps | 176 Gbps | N/A | 176 Gbps |
| Switching Capacity with Stacking | 1,280 Gbps | 96 Gbps | 352 Gbps | N/A | 352 Gbps |
| Uplink Configuration | 10G | 1G | 1G | 1G | 1G/10G |
| Weight | 15 lbs | 10 lbs | 25 lbs | 15 lbs | 25 lbs |
| Width | 17.5 inches | 17.5 inches | 17.5 inches | 19 inches | 17 inches |
Sturdy chassis with flexible expansion options. Build quality feels enterprise grade.
Chassis installation was straightforward. Supports modular growth well.
Reliable platform for large scale switching deployments.
No hardware issues so far. Fans and slots perform as expected.
Solid foundation for scalable network design.
The D-Link DES-8503 is a 1U rack-mount chassis designed to house up to one main control module and two business modules for high-availability enterprise switching.
The standard DES-8503 chassis includes one hot-swappable fan tray, two empty power-supply bays, one main control slot and two business module slots; power supplies and line cards are sold separately.
The DES-8503 chassis supports two redundant and load-sharing AC or DC power supplies to ensure uninterrupted operation.
No, the DES-8503 is shipped without power supplies; compatible D-Link power modules must be ordered separately.