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SFP-25G-SR-S
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25GBASE-SR SFP MOD
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Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
SFP-25G-SR-S
- Description:
- 25GBASE-SR SFP MOD
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 100417540288
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
- Warranty:
- 3
- List Price:
$1,174.00
- Price:
$293.0075% off
Quantity:
1
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SFP-25G-SR-S Overview
The SFP-25G-SR-S is a high-performance Cisco SFP28 transceiver designed to deliver reliable 25-Gigabit Ethernet connectivity over short-range multimode fiber. This Cisco SFP-25G-SR-S module supports 25GBASE-SR applications, enabling seamless deployment across enterprise switching, data center networks, and high-density aggregation environments. With strong optical performance, it supports distances up to 70 meters on OM3 fiber and 100 meters on OM4 fiber, making it ideal for short-range, high-bandwidth 25G connectivity.
Engineered for consistent signal integrity and broad compatibility across Cisco platforms, the SFP 25G SR S module provides low-latency performance, high throughput, and simple plug-and-play installation. Its hot-swappable design allows fast deployment or replacement without service interruption, offering an efficient and cost-effective option for organizations adopting next-generation 25G infrastructure.
Capabilities
Short-Range 25G Fiber Connectivity
Supports up to 70m on OM3 and 100m on OM4 multimode fiber.
25GBASE-SR Performance
Optimized for short-distance 25-Gigabit Ethernet links in enterprise and data center environments.
Hot-Swappable Design
Allows installation or replacement without impacting network operations.
Low-Latency Optical Transmission
Delivers stable, high-throughput performance for advanced workloads.
Multimode Fiber Support
Ensures flexible deployment across various multimode cabling infrastructures.
Supported Hardware Models
The SFP-25G-SR-S module is compatible with major Cisco switching platforms, including:
- Cisco Catalyst 9300 Series
- Cisco Catalyst 9400 Series
- Cisco Catalyst 9500 Series
- Cisco Nexus 3000 Series
- Cisco Nexus 5000 Series
- Cisco Nexus 7000 Series
- Other Cisco SFP28-enabled devices
This broad compatibility ensures seamless integration across enterprise, cloud, and high-performance data center environments.
Why Choose the SFP-25G-SR-S
- Ideal for short-range 25G multimode fiber connections
- Compatible with Cisco Catalyst and Cisco Nexus switches
- Provides stable, high-performance 25G optical connectivity
- Supports plug-and-play deployment for simplified scaling
- A cost-efficient solution for expanding 25G network capacity
SFP-25G-SR-S price is $293.00, a 75% saving from the Cisco list price of $1,174.00. SFP-25G-SR-S is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for SFP-25G-SR-S for additional pricing. Browse the full Cisco 25G Optical Modules series or explore all Cisco products.
SFP-25G-SR-S Specifications
- Product Type
- Transceiver
- Brand
- Cisco
- Form Factor
- SFP
- Data Rate
- 25G
- Connector Type
- LC
- Wavelength
- 850nm
- Transmission Distance
- Short-Range
- Fiber Type
- Multi-mode
- Max Distance
- 100m
- Supported Protocols
- Ethernet
- Network Interface
- Fiber
- Operating Temperature
- 0 to 70°C
- Storage Temperature
- -40 to 85°C
- Input Voltage
- 3.3V
- Compatibility
- Cisco, Juniper, Huawei, Arista
- Product Name
- SFP-25G-SR-S
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Product Comparison Table 
| SFP-25G-SR-S |  QSFP-4SFP25G-CU3M |  SFP-10/25G-LR-S |  SFP-10/25G-CSR-S |  SFP-25G-AOC10M | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | SFP | QSFP | SFP | SFP | SFP |
| Data Rate | 25G | 25G | 10G/25G | 10G/25G | 25G |
| Transmission Distance | Short-Range | Short-Range | Long-Range | Short-Range | Short-Range |
| Max Distance | 100m | 3 meters | 10 km | 10 km | 10 m |
| Supported Protocols | Ethernet | Ethernet, Fibre Channel | Ethernet | Ethernet | Ethernet |
| Network Interface | Fiber | Ethernet | Ethernet | Ethernet | Fiber |
| Operating Temperature | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C | -40 to 85°C |
| Compatibility | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista |
| Product Name | SFP-25G-SR-S | QSFP-4SFP25G-CU3M | SFP-10/25G-LR-S | SFP-10/25G-CSR-S | SFP-25G-AOC10M |
Compliance & Coverage
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
M
Mason Reed
5
Delivered reliable 25G SR performance over MMF with low latency.
N
Noah Foster
5
Strong signal integrity and seamless compatibility.
O
Oliver Bennett
5
Stable 25G throughput in production workloads.
P
Parker Hayes
5
Excellent short-range optics for server uplinks.
Q
Quentin Reed
4
Consistent performance across multiple deployments.
R
Ryan Foster
5
Easy installation and dependable bandwidth.
S
Spencer Bennett
5
High-quality 25G SFP module for data centers.
Questions & Answers
What is the SFP-25G-SR-S module?
The SFP-25G-SR-S is a 25GBASE-SR SFP28 transceiver module designed for short-range 25 Gigabit Ethernet over multimode fiber.
What data transfer rate does the SFP-25G-SR-S support?
It supports a line rate of 25.78 Gbps, fully compliant with IEEE 802.3by 25 Gigabit Ethernet standards.
What is the maximum transmission distance of the SFP-25G-SR-S?
It transmits up to 100 m over OM4 and 70 m over OM3 multimode fiber at 25 Gbps.
What type of fiber and connector does the SFP-25G-SR-S require?
It requires duplex OM3/OM4 multimode fiber terminated with LC connectors.
What operating wavelength does the SFP-25G-SR-S use?
The module operates at an 850 nm wavelength optimized for short-range multimode fiber links.
Is the SFP-25G-SR-S hot-pluggable?
Yes, it is fully hot-pluggable, allowing live insertion and removal without powering down devices.
What form factor is the SFP-25G-SR-S?
It uses the SFP28 form factor, offering backward compatibility with traditional SFP ports.
Which industry standards does the SFP-25G-SR-S comply with?
It complies with IEEE 802.3by, SFP28 MSA, SFF-8402 and RoHS-6 environmental standards.
What operating temperature range does the SFP-25G-SR-S support?
Operating temperature: 0°C to 70°C; storage temperature: –40°C to 85°C.
What is the power consumption of the SFP-25G-SR-S?
Typical power consumption is 1.0 W, with a maximum of 1.5 W.
Which devices are compatible with the SFP-25G-SR-S?
It is compatible with Cisco Nexus, Catalyst, UCS platforms and any 25GBASE-SR-compliant switch or router.
Does the SFP-25G-SR-S support FCoE?
Yes, it supports Fibre Channel over Ethernet (FCoE) and other high-speed data protocols over multimode fiber.
How do I install the SFP-25G-SR-S?
Remove protective caps, insert the module into the SFP port until it clicks, then connect LC fiber cables.
How can I verify the SFP-25G-SR-S is functioning correctly?
Check link status LEDs and run your device’s transceiver diagnostics (e.g., show interfaces transceiver details).
What should I do if the SFP-25G-SR-S fails to establish a link?
Verify fiber type and polarity, clean LC connectors, confirm module compatibility and correct port configuration.
What warranty is provided with the SFP-25G-SR-S?
Cisco provides a one-year limited hardware warranty covering replacement and software maintenance.