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DES-85-2TE-SFP+E
D-Link 2-port 10 Gigabit optical service board (SFP+), enhan...
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DES-85-2TE-SFP+E is a high-performance rack‐mount switch built on a robust architecture that delivers enterprise‑grade connectivity, reliability, and scalable performance. It features an efficient design with dedicated 10/100/1000 Ethernet ports combined with multi‑gig combo ports supporting 10G SFP+ uplink capability, ensuring high‑speed data transfer and seamless stacking support for network expansion.
Designed for data‑intensive environments, DES-85-2TE-SFP+E offers flexible AC power supply options with redundancy, advanced traffic management, and a streamlined port configuration that meets the demanding use cases of campus networks, data centers, and branch offices. Its stacking capability and optimized switching capacity make it an ideal solution for scalable deployments and future‑proof network infrastructures.
DES-85-2TE-SFP+E price is is available on request. Get immediate quote.
Request bulk order quote for DES-85-2TE-SFP+E for additional pricing. Browse the full D-Link Core Switches series or explore all D-Link products.
In a global e-commerce data center, network engineers deploy the D-Link DES-85-2TE-SFP+E enhanced 2-port 10 GbE optical board on core aggregation switches to establish redundant fiber trunks to distribution layers. This implementation delivers line-rate 10 Gbps connectivity with SFP+ modules, reduces inter-switch latency by 35%, and supports seamless scale-out for virtualized workloads. Benefit: maximized throughput, lower jitter, and future-proofed infrastructure for peak shopping events.
A multinational investment firm integrates the DES-85-2TE-SFP+E board into its trading floor architecture to link matching engines and risk servers over dark-fiber. The board’s certified 10 GbE SFP+ ports and enhanced ASIC forwarding ensure sub-microsecond latency and deterministic packet delivery. Benefit: accelerated trade execution, tighter bid-ask spreads, and compliance with ultra-low-latency requirements for algorithmic strategies.
A research university upgrades its HPC cluster by installing DES-85-2TE-SFP+E modules in compute-node edge switches, creating a 10 Gbps optical mesh network for MPI traffic. The SFP+ ports deliver high-density fiber uplinks, while the enhanced board supports jumbo frames and QoS prioritization for scientific simulations. Benefit: reduced job completion times by up to 50%, improved data throughput for parallel workloads, and scalable expansion capability.
To get the detailed certification, please go to the Compliance Center.
| DES-85-2TE-SFP+E |  DES-85-12TE-SFP+-MPLSE |  DES-85-24GE-TXE |  DES-85-48GE-SFP-MPLSE |  DES-85-MSU-VI | |
|---|---|---|---|---|---|
| Depth | 14 inches | 12 inches | 10.5 inches | 17 inches | 11 inches |
| Ethernet Technology | 10/100/1000 | 10/100 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Flash Memory | 64 MB | 64 MB | 64 MB | 64 MB | 64 MB |
| Form Factor | Rack-mount | Rack-mount | Rack-mount | Rack-mount | Rack-mount |
| Height | 1 inches | 1.75 inches | 1.75 inches | 1.75 inches | 1.75 inches |
| IOS | LAN Base | LAN Base | LAN Base | IP Services | IP Services |
| Interface Ports | 10/100/1000 | 10/100 | 10/100/1000 | 10/100/1000 | 10/100/1000 |
| Layer Supported | Layer 2 | Layer 2 | Layer 2 | Layer 2 / Layer 3 | Layer 3 |
| Manageable | Managed | Managed | Managed | Managed | Managed |
| Manufacturer Part Number | DES-85-2TE-SFP+E | DES-85-12TE-SFP+-MPLSE | DES-85-24GE-TXE | DES-85-48GE-SFP-MPLSE | DES-85-MSU-VI |
| Media Type Supported | Combo | Combo | Twisted Pair | Twisted Pair / Fiber | Combo |
| Memory | 256 MB | 256 MB | 256 MB | 256 MB | 256 MB |
| Number of Downlink Ports | 12 Ports | 12 Ports | 24 Ports | 48 Ports | 24 Ports |
| Number of Ethernet Ports | 12–24 Ports | 12–24 Ports | 12–24 Ports | 24–48 Ports | 24–48 Ports |
| POE Support | Non POE | Non POE | Non POE | Non POE | POE+ |
| Port/Expansion Slot Details | 12 fixed 10/100/1000 Ethernet ports and 4 multi-gig combo ports with 10G SFP+ capability | 12 x 10/100 RJ45 ports, 4 x SFP+ uplink ports | 24 fixed 10/100/1000 Ethernet ports and 4 dedicated 1G SFP uplink slots with stacking capability | 48 GE ports with 4 SFP uplink ports | 24 Gigabit Ethernet ports, 4 SFP slots |
| Power Consumption | 32 W | 85 W | 50 W | N/A | 85W |
| Power Source | AC Power Supply | AC Power Supply | AC Power Supply | Redundant Power Supply / AC Power Supply | AC Power Supply |
| Product Name | DES-85-2TE-SFP+E High Performance Rack-Mount Switch | DES-85-12TE-SFP+-MPLSE Ethernet Switch | DES-85-24GE-TXE Gigabit Stackable Managed Switch | DES-85-48GE-SFP-MPLS Ethernet Switch | DES-85-MSU-VI High-Performance 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 | Yes | Yes |
| SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports | 4 SFP Ports |
| Switching Capacity | 128 Gbps | 85 Gbps | 52 Gbps | 104 Gbps | 320 Gbps |
| Switching Capacity with Stacking | 256 Gbps | 170 Gbps | 104 Gbps | 208 Gbps | 640 Gbps |
| Uplink Configuration | 10G | 10G | 1G | 1G | 10G |
| Weight | 12 lbs | 8 lbs | 9.5 lbs | 25 lbs | 10 lbs |
| Width | 17 inches | 17.5 inches | 17.5 inches | 19 inches | 17.5 inches |
Reliable service board with stable 10G connectivity. No compatibility issues encountered.
Installed easily and performed as expected.
Good optical performance and consistent throughput.
Works well in our existing chassis setup.
Dependable expansion board for enterprise networks.
The DES-85-2TE-SFP+E is a 2-port 10 Gigabit SFP+ enhanced optical service board designed for D-Link switches to add high-speed fiber connectivity.
This SFP+ board is compatible with select D-Link chassis switches that feature an expansion slot, including models in the DES-3600 and DGS-3630 series.
The board supports all industry-standard 10GBASE-SR, 10GBASE-LR, 10GBASE-ER and CWDM/DWDM SFP+ transceivers for multimode and single-mode fiber.
Power down the switch, insert the board into an available expansion slot, secure the captive screws, then power on the switch to auto-detect the module.
No. The DES-85-2TE-SFP+E requires switch power-off during insertion or removal to ensure proper initialization and avoid hardware damage.
Using 10GBASE-ER transceivers over single-mode fiber, the board supports links up to 40 km.
Yes. When paired with compatible SFP+ transceivers and fiber cabling, it enables high-speed stacking and uplinks between D-Link chassis switches.
The DES-85-2TE-SFP+E consumes a maximum of 5 W under full load, as specified in the product datasheet.
Yes. The switch’s firmware supports Link Aggregation Control Protocol (LACP) for active-active redundancy over the two SFP+ ports.
Operating temperature range is 0 °C to 50 °C, with relative humidity from 10 % to 90 % non-condensing.
Visit the D-Link support website, enter SKU DES-85-2TE-SFP+E, and download the firmware under the “Software & Driver” section.
The board is backed by D-Link’s limited lifetime warranty, conditional upon registration and proof of purchase.
Check the front-panel LEDs: a solid green LED indicates a valid 10 Gbps link; blinking green means traffic activity.
Yes. You can install both enhanced and standard SFP+ boards in different slots, but adhere to the chassis’ slot population guidelines.
Periodically inspect fiber connectors for dust and clean with recommended fiber cleaning tools to maintain optimal performance.
The enhanced edition offers extended temperature tolerance, lower jitter performance and improved EMI shielding for demanding environments.
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