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QSFP-100G-FR-S
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100G QSFP28 TRANS 100G-FR 2KM SMF DUPLEX LC
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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:
QSFP-100G-FR-S
- Description:
- 100G QSFP28 TRANS 100G-FR 2KM SMF DUPLEX LC
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 0889728031271
- 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:
$3,002.00
- Price:
$1,582.0047.3% off
Quantity:
1
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QSFP-100G-FR-S Overview
QSFP-100G-FR-S is a QSFP transceiver module engineered for 100G Ethernet applications in modern data centers, enterprise networks, and telecom environments. It features a compact QSFP form factor with precisely defined physical dimensions, and uses LC connectors to interface seamlessly with single-mode fiber infrastructures.
QSFP-100G-FR-S supports long-range transmission over single-mode fiber with distances up to 2000 meters, operating at a wavelength of 1310 nm. Designed for high-performance networking, it reliably handles critical protocols such as Ethernet, making it an ideal solution for dense networking deployments and high-speed interconnects.
QSFP-100G-FR-S price is $1,582.00, a 47.3% saving from the Cisco list price of $3,002.00. QSFP-100G-FR-S is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for QSFP-100G-FR-S for additional pricing. Browse the full Cisco 100G Optical Modules series or explore all Cisco products.
QSFP-100G-FR-S Specifications
- Product Type
- Transceiver
- Brand
- Cisco
- Form Factor
- QSFP28
- Data Rate
- 100G
- Connector Type
- LC
- Wavelength
- 1310 nm
- Transmission Distance
- Long-Range
- Fiber Type
- Single-mode
- Max Distance
- 2000 meters
- 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
- QSFP-100G-FR-S
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Product Comparison Table 
| QSFP-100G-FR-S |  CPAK-100G-LR4 |  CVR-CFP2-CPAK10 |  CFP2-100G-ER4 |  QSFP-100G-ER4L-S | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | QSFP28 | QSFP28 | CFP2 | CFP2 | QSFP |
| Data Rate | 100G | 100G | 100G | 100G | 100G |
| Connector Type | LC | LC | LC | LC | LC |
| Wavelength | 1310 nm | 1310 nm | 1550 nm | 1270-1330 nm | 1310 nm ±20 nm |
| Transmission Distance | Long-Range | Long-Range | Long-Range | Extended-Range | Extended-Range |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Max Distance | 2000 meters | 10 km | 80 km | 40 km | 40 km |
| Supported Protocols | Ethernet | Ethernet, Fibre Channel | Ethernet, Fibre Channel | Ethernet | Ethernet |
| Network Interface | Fiber | Ethernet | Fiber | 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 |
| Input Voltage | 3.3V | 3.3V | 3.3V | 3.3V | 3.3V |
| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista | Cisco, Juniper, Huawei, Arista |
| Product Name | QSFP-100G-FR-S | CPAK-100G-LR4 | CVR-CFP2-CPAK10 | CFP2-100G-ER4 | QSFP-100G-ER4L-S |
Compliance & Warranty
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
L
Luca Turner
5
Delivered reliable 2km SMF connectivity with stable 100G FR performance.
M
Mason Price
5
Strong optical output and predictable latency.
N
Nolan King
5
Seamless integration into our 100G backbone.
O
Owen Murphy
5
Maintained steady throughput across single mode fiber.
P
Peyton Brooks
4
Excellent short to mid-range 100G solution.
Q
Quinn Turner
5
Consistent performance during stress testing.
R
Ryder Hayes
4
High quality QSFP28 FR module for enterprise deployments.
Questions & Answers
What is the QSFP-100G-FR-S transceiver?
The QSFP-100G-FR-S is a 100 Gbps QSFP28 optical transceiver module designed for single-mode fiber over duplex LC, supporting up to 2 km reach.
Which fiber type does the QSFP-100G-FR-S support?
The module is optimized for single-mode fiber (SMF) with standard duplex LC connectors.
What is the maximum link distance of QSFP-100G-FR-S?
It delivers error-free transmission up to 2 kilometers over single-mode fiber.
What wavelength does the 100G-FR QSFP28 operate on?
The transceiver uses a 1310 nm coarse wavelength for 100 Gbps FR applications.
Is the QSFP-100G-FR-S hot-swappable?
Yes, the QSFP-100G-FR-S supports hot-plug capability, allowing insertion or removal without powering down the host system.
Which equipment is compatible with QSFP-100G-FR-S?
It is compatible with any QSFP28-compliant switch, router or server port supporting 100 Gbps FR link service.
Does QSFP-100G-FR-S support Digital Diagnostics Monitoring (DDM)?
Yes, the transceiver includes an integrated DDM interface for real-time monitoring of optical and electrical parameters.
What is the operating temperature range for QSFP-100G-FR-S?
Operating temperature spans 0 °C to 70 °C (32 °F to 158 °F) for standard commercial applications.
What power budget does the 100G-FR QSFP28 module offer?
It features a link power budget of up to 2.7 dB, ensuring reliable transmission over 2 km SMF.
Is the QSFP-100G-FR-S MSA compliant?
Yes, it fully complies with the QSFP28 MSA (Multi-Source Agreement) for 100 Gbps FR modules.
Can I mix this transceiver with other brands?
Yes, the module is interoperable with any third-party QSFP28 FR-capable host under IEEE and MSA standards.
What applications are ideal for QSFP-100G-FR-S?
Ideal for data center uplinks, metro aggregation and high-speed campus backbone links up to 2 km.
How do I install the QSFP-100G-FR-S in a switch or router?
Align the module’s ejector latch with the port, gently push until it clicks, and secure the LC duplex fiber connection.
Does the QSFP-100G-FR-S require manual configuration?
No manual configuration is needed; the module is auto-negotiated by the host for FR-mode operation.
What warranty is provided with QSFP-100G-FR-S?
It comes with a one-year limited warranty covering defects in materials and workmanship under normal use.
How can I verify my QSFP-100G-FR-S is genuine?
Check the serial number and label authenticity against the manufacturer’s database or request an OEM guarantee certificate.