Featured Deal
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:
Added to cart 28 times recently
2 In stock - Ready to Ship
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
3 Year Extended Warranty
Same-day Shipping
30-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
30-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
QSFP-100G-LR4-S-C
100GBASE-LR4 QSFP Transceiver LC 10km Cisco Compatible
Trusted by the Highest-Stakes Buyers
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
Built Global. Stocked Local.
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
Buyer Protection on Every Order
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
Verified By Federal Bodies
Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.
Since 2016, Enterprise-Trusted
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
QSFP-100G-LR4-S-C is a QSFP optical transceiver module that delivers 100G data rate and is engineered with LC duplex connectors for long-range transmission. It supports Ethernet protocol and is designed in a QSFP28 form factor with compact physical dimensions, making it ideally suited for high-density data centers, enterprise networks, and telecom applications.
This transceiver module leverages single-mode fiber to achieve an optical reach of up to 10 km while maintaining efficient power consumption and reliable performance. Its design meets industry standards for integration and compatibility, ensuring seamless deployment in various network environments where speed and distance are critical factors.
QSFP-100G-LR4-S-C price is is available on request. Get immediate quote.
Request bulk order quote for QSFP-100G-LR4-S-C for additional pricing. Browse the full Cisco Compatible Qsfp28 series or explore all Orm products.
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
| QSFP-100G-LR4-S-C |  QSFP-100G-DR-S-C |  Q100-ZR4-S-EA-C |  QSFP-100G-ER4L-S-C |  QSFP-100G-FR-S-C | |
|---|---|---|---|---|---|
| Product Type | Transceiver | Transceiver | Transceiver | Transceiver | Transceiver |
| Form Factor | QSFP28 | QSFP | QSFP | QSFP | QSFP |
| Data Rate | 100G | 100G | 100G | 100G | 100G |
| Connector Type | LC Duplex | LC | LC | LC | LC |
| Wavelength | 1310 nm | 1310nm | 1310nm | 1310 nm | 1310 nm |
| Transmission Distance | Long-Range | Short-Range | Long-Range | Extended-Range | Long-Range |
| Fiber Type | Single-mode | Single-mode | Single-mode | Single-mode | Single-mode |
| Max Distance | 10 km | 100 meters | 80 km | 40 km | 10 km |
| Supported Protocols | Ethernet | Ethernet | Ethernet | 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 |
| Product Name | QSFP-100G-LR4-S-C | QSFP-100G-DR-S-C | Q100-ZR4-S-EA-C | QSFP-100G-ER4L-S-C | QSFP-100G-FR-S-C |
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.
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.
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.
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.
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Outstanding 10km reach. These LR4 modules are essential for our long-range 100G spans. Strong power budgets and flawless Cisco integration. Highly recommended for enterprise.
Consistent and high-performing. The 10km range is rock-solid on single-mode fiber. Our Cisco core gear had zero issues with these transceivers. Exceptional reliability.
Professional 100G LR4 performance. Signal integrity is superb over long distances. A dependable solution for our transport layer with zero packet loss detected.
High-quality long-reach optics. They deliver stable 100Gbps speeds and were recognized immediately. Very impressed with the build and long-term durability.
Reliable long-haul connectivity. These LR4 transceivers handle our backbone traffic with ease, offering perfect compatibility and steady performance across our 10km spans.
The QSFP-100G-LR4-S-C is a Cisco-compatible 100GBASE-LR4 QSFP+ transceiver featuring LC duplex connectors and a 10 km single-mode fiber reach.
This module supports 100 Gigabit Ethernet (100GBASE-LR4) and is fully compliant with IEEE 802.3ba and the QSFP MSA standard.
The transceiver delivers reliable 100 Gb/s transmission over single-mode fiber up to 10 kilometers.
It employs LC duplex connectors for simplified duplex single-mode fiber cabling.
Yes. The QSFP-100G-LR4-S-C is hot-pluggable, allowing insertion and removal without powering down your equipment.
It uses four CWDM channels around 1310 nm to multiplex 25 Gbps lanes for a total of 100 Gbps.
This module is Cisco-compatible and tested on Catalyst, Nexus and ASR series switches and routers.
Typical power consumption is 3.5 W, ensuring energy-efficient 100 Gigabit connectivity.
Operational temperature range is 0 °C to 70 °C (32 °F to 158 °F), suitable for standard data center environments.
Confirm your switch’s firmware release and review Cisco’s compatibility matrix; our part number QSFP-100G-LR4-S-C is listed as a supported third-party module.
Yes. It includes a 1-year limited warranty covering factory defects and performance compliance.
It supports Digital Optical Monitoring (DOM) for real-time statistics on temperature, voltage, and optical power levels via an I2C interface.
Yes. It conforms to MSA standards and can interoperate with any MSA-compliant QSFP+ port or chassis.
Use ITU-G.652 compliant single-mode fiber to achieve the full 10 km reach at 100 Gbps.
Align the module with the QSFP+ port, insert until the latch clicks, then secure with the built-in bail-latch mechanism.
Yes. It supports both RS-FEC and Firecode FEC for improved link reliability at 100 Gb/s.
United States
