United StatesName:
Added to cart 28 times recently
In stock - Ready to Ship
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
14-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
QSFP-4X10G-LR-S-C
4x10GBASE-LR QSFP+ Module SMF Cisco Compatible
TRUSTED, TRIED, PROVEN
Inventory Delivered By
& Verified By
Solutions Powered By
QSFP-4X10G-LR-S-C is a QSFP optical transceiver designed to support four independent 10G data lanes aggregated into a 40G data rate, making it ideal for high-performance, long-range networking applications. It features single-mode operation with LC connectors, utilizes a 1310nm wavelength, and is targeted at Ethernet protocols used in data centers, enterprise networks, and telecom settings.
This compact module adheres to industry-standard QSFP form factors with dimensions and power characteristics aligned to optimize deployment in space-constrained environments. Engineered for long-range performance—extending up to 10 km—QSFP-4X10G-LR-S-C meets the rigorous demands of next-generation optical transmission systems while ensuring reliable connectivity and interoperability with leading network infrastructures.
QSFP-4X10G-LR-S-C price is is available on request. Get immediate quote.
Request bulk order quote for QSFP-4X10G-LR-S-C for additional pricing. Browse the full Cisco Compatible Qsfp+ series or explore all Orm products.
To get the detailed certification, please go to the Compliance Center.
 QSFP-4X10G-LR-S-C |  WSP-Q40GLR4L-C |  QSFP-40G-SR-BD-C |  FET-40G-C |  QSFP-40G-SR4-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | QSFP | QSFP+ | QSFP | QSFP+ | QSFP |
| Data Rate | 40G (4x10G) | 40G | 40G | 40G | 40G |
| Connector Type | LC | LC | LC | LC | MPO |
| Wavelength | 1310nm | 1310nm | 850 nm | 1310 nm | 850nm |
| Transmission Distance | Long-Range | Long-Range | Short-Range | Long-Range | Short-Range |
| Fiber Type | Single-mode | Single-mode | Multi-mode | Single-mode | Multi-mode |
| Max Distance | 10 km | 10 km | 100 m | 10 km | 100m (OM3)/150m (OM4) |
| Supported Protocols | Ethernet | Ethernet | Ethernet | Ethernet, Fibre Channel | Ethernet |
| Network Interface | Optical Ethernet | Fiber | Fiber | Fiber | Ethernet |
| Power Consumption | N/A | 6.5W | N/A | 3.8 W | 4.2W |
| 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 | N/A | 3.3V | 3.3V |
| Compatibility | Cisco, Juniper, Arista | Cisco / Juniper / Huawei / Arista | N/A | Cisco, Juniper, Huawei, Arista | Cisco / Juniper / Huawei / Arista |
| Product Name | QSFP-4X10G-LR-S-C | WSP-Q40GLR4L-C 40G QSFP+ Long-Range Transceiver | QSFP-40G-SR-BD-C | FET-40G-C | QSFP-40G-SR4-C |
| Height | N/A | 0.7 inches | N/A | 0.73 inches | N/A |
| Width | N/A | 0.9 inches | N/A | 2.85 inches | N/A |
| Depth | N/A | 1.2 inches | N/A | 1.48 inches | N/A |
| Weight | N/A | 0.12 lbs | N/A | 0.11 lbs | N/A |
Perfect 4x10G performance over SMF. This LR module is stable, easy to install, and fully compatible with our Cisco infrastructure. Highly reliable breakout solution.
Exceptional signal integrity on all four lanes. This 4x10G LR module provides the professional-grade stability we need for our transport links. Very pleased with quality.
Consistent 10G throughput across the breakout. This LR module is robust and was recognized instantly. A dependable solution for our long-range fiber backbone.
Reliable and high-performing LR breakout module. It delivers steady signals on SMF with great power budgets. Excellent value for high-density networking applications.
Professional grade 4x10G LR module. It provides a rock-solid breakout link for our transport layer. Full Cisco compatibility and flawless performance ensured.
The QSFP-4X10G-LR-S-C is a Cisco-compatible 4x10GBASE-LR QSFP+ transceiver that delivers four independent 10Gbps channels over single-mode fiber for up to 10km reach at 1310nm.
It is ideal for data center uplinks, campus and metro connectivity, and backbone aggregation in enterprise and service provider networks.
This module supports transmission distances of up to 10 kilometers over OS2 single-mode fiber.
It operates at a wavelength of 1310 nm, standard for 10GBASE-LR single-mode links.