United States$5,000,000+
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Graham Lewis
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Sturdy chassis with flexible expansion options. Build quality feels enterprise grade.
DES-8503
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D-Link DES-8503 final assembly chassis (including 1 fan tray...
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Name:
DES-8503
- Description:
- D-Link 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)
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- Brand:
- D-Link
- GTIN:
- 5053572206771
- Condition:
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DES-8503 Overview
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.
DES-8503 Specifications
- Product Type
- Switch
- Power Source
- AC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- 75W
- Number of Ethernet Ports
- 24–48 Ports
- Number of Downlink Ports
- 48 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Twisted Pair
- Redundant Power Supply Supported
- Yes
- Manufacturer Part Number
- DES-8503
- Uplink Configuration
- 10G
- IOS
- LAN Base
- POE Support
- POE+
- SFP Ports
- 4 SFP Ports
- Memory
- 512 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- 2 expansion slots available
- Flash Memory
- 256 MB
- Switching Capacity
- 640 Gbps
- Switching Capacity with Stacking
- 1,280 Gbps
- Product Name
- DES-8503 Enterprise Switch
- Height
- 1.75 inches
- Width
- 17.5 inches
- Depth
- 12 inches
- Weight
- 15 lbs
DES-8503 Use Case
High-Density Core Aggregation in Financial Data Centers
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.
Scalable Campus Distribution for University Networks
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.
Resilient Industrial Automation Backbone in Manufacturing
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.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| 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 |
Reviews & Ratings
I
Irfan Bashir
4
Chassis installation was straightforward. Supports modular growth well.
C
Colin Matthews
4
Reliable platform for large scale switching deployments.
A
Asad Munir
5
No hardware issues so far. Fans and slots perform as expected.
R
Roger Stanton
4
Solid foundation for scalable network design.
Questions & Answers
What is the D-Link DES-8503 final assembly chassis?
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.
What components are included in the DES-8503 standard configuration?
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.
How many power supply slots does the DES-8503 support?
The DES-8503 chassis supports two redundant and load-sharing AC or DC power supplies to ensure uninterrupted operation.
Are power supplies included with the DES-8503 chassis?
No, the DES-8503 is shipped without power supplies; compatible D-Link power modules must be ordered separately.
Which power supply models are compatible with the DES-8503?
The chassis is compatible with D-Link DPS-300AC and DPS-300DC power supplies, supporting redundant AC or DC operation with hot-swap capability.
How many module slots does the DES-8503 offer?
The DES-8503 provides one main control module slot and two business module slots, allowing flexible expansion of switching ports and services.
What cooling features does the DES-8503 chassis provide?
The chassis includes a front-to-back hot-swappable fan tray with temperature-controlled fans for efficient airflow and minimal noise.
What are the physical dimensions and weight of the DES-8503?
The DES-8503 measures 440 × 420 × 44 mm (W×D×H) and weighs approximately 8 kg without modules or power supplies.
Can the DES-8503 be installed in a standard 19-inch rack?
Yes, the DES-8503 is a 1U rack-mountable chassis that fits standard 19-inch data center and telecom racks with included mounting brackets.
What environmental conditions are required for the DES-8503?
The chassis operates reliably in 0 °C to 45 °C ambient temperature and 10 % to 90 % non-condensing relative humidity.
What types of modules can be installed in the business slots?
Business slots accept D-Link line cards offering 1 GbE, 10 GbE, PoE/PoE+ and specialized security or aggregation modules.
How do I install modules and power supplies in the DES-8503?
Power down the chassis, slide modules or PSUs into their respective slots until they click, secure with captive screws, and then restore power; fans remain hot-swappable.
What network management interfaces does the DES-8503 support?
The chassis supports SNMPv2/v3, CLI via console/SSH, and an embedded web GUI through the main control module for centralized management.
What is the power consumption of the DES-8503 chassis?
The chassis itself consumes under 30 W without power supplies; total power draw depends on installed PSUs and active line cards.
Which certifications and standards does the DES-8503 meet?
The DES-8503 complies with CE, FCC Part 15 Class A, UL/cUL, RoHS and NEBS Level 3 standards for enterprise deployments.
What warranty covers the DES-8503 chassis?
D-Link provides a five-year limited warranty on the DES-8503 chassis with next business day advance replacement service.