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Compact SFP plus board that delivers solid 10G performance.
DES-85-4TE-SFP+-MPLSE
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D-Link 4-port 10 Gigabit optical service board (SFP+), enhan...
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DES-85-4TE-SFP+-MPLSE
- Description:
- D-Link 4-port 10 Gigabit optical service board (SFP+), enhanced board
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- Brand:
- D-Link
- GTIN:
- 735899036532
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DES-85-4TE-SFP+-MPLSE Overview
DES-85-4TE-SFP+-MPLSE is a high-performance, rack-mount managed switch engineered to deliver reliable Layer 2/Layer 3 connectivity with an optimized architecture designed for demanding enterprise and data center environments. It incorporates a fixed port configuration with integrated copper Ethernet ports for downlink connectivity and dedicated SFP+ ports for 10G uplink flexibility, ensuring a balanced mix of speed and scalability.
Designed with efficient power management using an AC power supply, the switch offers robust stacking capabilities that allow seamless scalability across network deployments. Its focused performance, streamlined interface, and versatile port options make it an ideal choice for enterprise campus networks, small-to-medium office environments, and edge data centers where reliability and simplified management are critical.
DES-85-4TE-SFP+-MPLSE price is is available on request. Get immediate quote.
Request bulk order quote for DES-85-4TE-SFP+-MPLSE for additional pricing. Browse the full D-Link Core Switches series or explore all D-Link products.
DES-85-4TE-SFP+-MPLSE Specifications
- Product Type
- Switch
- Power Source
- AC Power Supply
- Layer Supported
- Layer 2 / Layer 3
- Form Factor
- Rack-mount
- Power Consumption
- 55W
- Number of Ethernet Ports
- Under 12 Ports
- Number of Downlink Ports
- 8 Ports
- Manageable
- Managed
- Ethernet Technology
- 10/100/1000
- Media Type Supported
- Combo
- Redundant Power Supply Supported
- No
- Manufacturer Part Number
- DES-85-4TE-SFP+-MPLSE
- Uplink Configuration
- 10G
- IOS
- LAN Base
- POE Support
- Non POE
- SFP Ports
- 4 SFP Ports
- Memory
- 256 MB
- Rack Units
- 1 RU
- Interface Ports
- 10/100/1000
- Port/Expansion Slot Details
- Fixed port configuration
- Flash Memory
- 64 MB
- Switching Capacity
- 128 Gbps
- Switching Capacity with Stacking
- 256 Gbps
- Product Name
- DES-85-4TE SFP+ Managed Ethernet Switch MPLSE
- Height
- 1.75 inches
- Width
- 17.5 inches
- Depth
- 11 inches
- Weight
- 15 lbs
DES-85-4TE-SFP+-MPLSE Use Case
High-Density Data Center Spine-Leaf Interconnect
In hyperscale data centers, integrating the DES-85-4TE-SFP+-MPLSE board into spine switches aggregates four 10 GbE fibre links with hardware-accelerated MPLS-E forwarding. This delivers sub-microsecond latency, non-blocking throughput and deterministic QoS across virtualized workloads, reducing east-west bottlenecks by 60% and supporting rapid VM migrations with carrier-grade reliability.
Enterprise Campus Core Backbone Upgrade
Large enterprises deploy the 4-port 10 Gigabit SFP+ enhanced board in core campus distribution to segment voice, video and data VLANs over a single fibre ring. Built-in MPLS-E guarantees traffic isolation, streamlined provisioning and fast-fail protection in under 50 ms. The result is a 40% reduction in operational complexity, predictable SLA compliance and scalable bandwidth growth up to 40 Gbps per uplink.
Carrier-Grade Metro Ethernet Aggregation
Service providers use the DES-85-4TE-SFP+-MPLSE board in aggregation routers to deliver point-to-multipoint metro Ethernet services. Four independent 10 Gbps SFP+ ports with MPLS-E label stacking enable flexible bandwidth profiles, per-customer SLAs and automated service chaining. Outcomes include 99.999% network availability, 50% faster service turn-up and a 25% increase in average revenue per user (ARPU).
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| DES-85-4TE-SFP+-MPLSE |  DES-85-48GE-SFP-MPLSE |  DES-85-24GE-SFPE |  DES-85-12GE-TX/SFP |  DES-85-24GE-SFP | |
|---|---|---|---|---|---|
| Depth | 11 inches | 17 inches | 12 inches | 12 inches | 11 inches |
| Ethernet Technology | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 64 MB | 64 MB | 64 MB | 32 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 | 1.75 inches |
| IOS | LAN Base | IP Services | LAN Base | LAN Base | LAN Base |
| 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 3 | Layer 2 | Layer 2 | Layer 2 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | DES-85-4TE-SFP+-MPLSE | DES-85-48GE-SFP-MPLSE | DES-85-24GE-SFPE | DES-85-12GE-TX/SFP | DES-85-24GE-SFP |
| Media Type Supported | Combo | Twisted Pair / Fiber | Combo | Combo | Fiber |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB | 128 MB |
| Number of Downlink Ports | 8 Ports | 48 Ports | 24 Ports | N/A | 24 Ports |
| Number of Ethernet Ports | Under 12 Ports | 24–48 Ports | 12–24 Ports | 12–24 Ports | 12–24 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE | Non POE |
| Port/Expansion Slot Details | Fixed port configuration | 48 GE ports with 4 SFP uplink ports | N/A | 12 Combo Ports | N/A |
| Power Consumption | 55W | N/A | 48 W | 35 W | 33 W |
| Power Source | AC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply | Redundant Power Supply | AC Power Supply |
| Product Name | DES-85-4TE SFP+ Managed Ethernet Switch MPLSE | DES-85-48GE-SFP-MPLS Ethernet Switch | DES-85-24GE-SFPE Gigabit Managed Switch | DES-85-12GE-TX/SFP Managed Ethernet Switch | DES-85-24GE-SFP Gigabit Ethernet Switch |
| Product Type | Switch | Switch | Switch | Switch | Switch |
| Rack Units | 1 RU | 1 RU | 1 RU | 1 RU | 1 RU |
| Redundant Power Supply Supported | No | Yes | No | Yes | No |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | Combo | 24 SFP Ports |
| Switching Capacity | 128 Gbps | 104 Gbps | 48 Gbps | 24 Gbps | 48 Gbps |
| Switching Capacity with Stacking | 256 Gbps | 208 Gbps | 96 Gbps | 48 Gbps | 96 Gbps |
| Uplink Configuration | 10G | 1G | 1G | 1G | 1G |
| Weight | 15 lbs | 25 lbs | 15 lbs | 10 lbs | 15 lbs |
| Width | 17.5 inches | 19 inches | 17 inches | 17.5 inches | 17.5 inches |
Reviews & Ratings
M
Moin Akhtar
5
Installed quickly and runs reliably.
G
Gareth Hill
5
Good option for incremental bandwidth upgrades.
Z
Zubair Latif
5
Stable operation in production.
E
Eric Palmer
4
Dependable enhanced service board.
Questions & Answers
What is the D-Link DES-85-4TE-SFP+-MPLSE optical service board?
The D-Link DES-85-4TE-SFP+-MPLSE is a 4-port 10 Gigabit SFP+ optical service board that provides high-speed fiber connectivity and MPLS-enhanced switching for enterprise and data center environments.
What are the key features of the D-Link 4-port 10 Gigabit optical service board?
Key features include four SFP+ ports supporting up to 10 Gbps each, hardware-based MPLS acceleration, hot-swappable optical modules, low-latency forwarding, and seamless integration with D-Link switches.
Which D-Link switch models are compatible with DES-85-4TE-SFP+-MPLSE?
The DES-85-4TE-SFP+-MPLSE is compatible with D-Link DGS-3630 series and other multilayer switches that support SFP+ expansion modules.
What SFP+ optical modules are supported by this service board?
The board supports industry-standard SFP+ modules for both single-mode (10GBase-LR, ER) and multimode (10GBase-SR) fiber, enabling flexible reach from 300 meters to 80 kilometers.
How do I install the D-Link DES-85-4TE-SFP+-MPLSE board?
Power down the compatible switch, insert the service board into the designated expansion slot, secure it with mounting screws, and power on the switch to auto-recognize and initialize the module.
Is the DES-85-4TE-SFP+-MPLSE board hot-swappable?
Yes. The DES-85-4TE-SFP+-MPLSE board supports hot-swapping, allowing safe installation or removal without powering down the host switch.
What is the power consumption of the 4-port optical service board?
The DES-85-4TE-SFP+-MPLSE consumes approximately 15 watts under full load with all four SFP+ ports active at 10 Gbps.
What are the operating temperature and humidity ranges?
The board operates between 0°C and 50°C with 10%–90% non-condensing relative humidity, ensuring reliability in standard data center environments.
What is the maximum fiber reach supported by DES-85-4TE-SFP+-MPLSE?
Using 10GBase-LR single-mode modules, the board supports optical reaches up to 10 kilometers, while 10GBase-ER modules extend reach up to 40 or 80 kilometers.
Does the board support MPLS functionality?
Yes. The DES-85-4TE-SFP+-MPLSE provides hardware-based MPLS label switching for efficient traffic engineering and VPN services in carrier-grade networks.
What are the typical applications for this 10Gb optical service board?
Ideal applications include data center uplinks, core network aggregation, metro Ethernet, carrier networks, and high-performance campus connections requiring 10 Gigabit fiber links.
What is the maximum forwarding rate and throughput?
Each SFP+ port delivers up to 10 Gbps, with an aggregate throughput of 40 Gbps and a total forwarding rate of up to 59.5 Mpps (million packets per second).
Does the DES-85-4TE-SFP+-MPLSE support VLANs and Quality of Service (QoS)?
Yes. It supports 802.1Q VLAN tagging, port-based VLANs, and advanced QoS with traffic shaping and prioritization, ensuring optimal performance for critical applications.
Can I configure link aggregation with this service board?
Yes. The board supports IEEE 802.3ad LACP link aggregation, enabling port bundling for increased bandwidth and redundancy across multiple 10 Gbps ports.
What warranty does the D-Link DES-85-4TE-SFP+-MPLSE include?
D-Link provides a limited lifetime warranty on the DES-85-4TE-SFP+-MPLSE service board, covering hardware defects under standard terms and conditions.
Which IEEE standards are supported by this optical service board?
It supports IEEE 802.3ae 10GBase-SR/LR/ER, IEEE 802.1Q VLAN, IEEE 802.3ad LACP, and IEEE 802.1p QoS standards for full compliance and interoperability.