Dell 019-078-056
$ 177.00 Price excluding tax
The Dell 019-078-056 SFP28-25G-SR-85C is a 25GbE SFP28 SR optical transceiver designed for high-speed data-center and enterprise networking. It operates at 850nm over multimode fiber and uses an LC duplex connector, providing reliable short-range 25Gbps connectivity between compatible network devices. The part is also identified with the optical module Finisar FTLF8536P4BNL-E5.
Description
The Dell 019-078-056 is a high-speed 25 Gigabit Ethernet SFP28 optical transceiver designed for compatible Dell networking and data-center equipment.
The module uses 850nm short-range (SR) optical technology and is designed for multimode fiber connectivity. Its compact SFP28 form factor allows it to be installed directly into compatible 25GbE SFP28 ports, providing a high-density solution for modern server and network infrastructure.
The transceiver is identified as SFP28-25G-SR-85C and is associated with the FTLF8536P4BNL-E5 optical module. Listings for the Dell part identify it as a 25Gb Ethernet transceiver with an LC fiber interface.
It is well suited for server-to-switch connections, switch-to-switch links, data-center networking, storage infrastructure, and high-bandwidth enterprise applications.
Key Specifications
| Feature | Specification |
|---|---|
| Brand | Dell |
| Part Number | 019-078-056 |
| Model | SFP28-25G-SR-85C |
| Optical Module | FTLF8536P4BNL-E5 |
| Product Type | SFP28 Optical Transceiver |
| Data Rate | 25Gbps |
| Optical Type | SR — Short Range |
| Wavelength | 850nm |
| Form Factor | SFP28 |
| Fiber Type | Multimode Fiber (MMF) |
| Connector | Duplex LC |
| Application | 25GbE Networking |
| Primary Use | Data Center / Enterprise Network |
The 850nm SR and LC/MMF characteristics are supported by multiple listings for this exact Dell part number.
Key Features & Benefits
- 25Gbps Ethernet connectivity
- SFP28 compact form factor
- 850nm SR optical technology
- Designed for multimode fiber
- Duplex LC fiber connector
- Suitable for high-density network deployments
- Ideal for modern data-center infrastructure
- Supports high-bandwidth server connectivity
- Suitable for switch-to-switch connections
- Plug-in optical module design
- Dell-compatible enterprise networking component
Typical Applications
The transceiver can be used for:
- Server-to-Switch Connections
- Switch-to-Switch Links
- Data Center Networks
- Enterprise Core/Distribution Networks
- High-Speed Storage Networks
- 25GbE Server Connectivity
- Virtualization Infrastructure
- High-Performance Computing
A typical deployment is:
25GbE Server → SFP28-25G-SR-85C → Multimode Fiber → SFP28 Switch Port
Fiber Connectivity
The SR designation indicates short-range optical operation, while the 850nm wavelength is commonly used with multimode fiber for high-speed data-center links.
The exact maximum transmission distance depends on the fiber grade, optical budget, transceiver specifications, and connected equipment, so a specific distance should be confirmed from the module’s detailed datasheet before publishing it as a fixed specification.
Compatibility
The 019-078-056 is a Dell-branded transceiver intended for compatible Dell networking equipment. Before installation, verify compatibility with the target switch, server network adapter, storage system, firmware, and SFP28 port.
This is especially important for vendor-coded optical modules, as some network platforms require approved or specifically coded transceivers.
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