
Why buy from us?
HardwareJet is built for professionals who need dependable hardware without delays or guesswork. Our curated network of manufacturers ensures quality parts, fair pricing, and responsive service.
Ask a Question About This Product
Ships next business day.
- In Stock: 224
- Manufacturer: Cisco
- Model or Part: QSFP-100G-LR4-S
- Condition: Refurbished
- Weight: 0.20lb
- Dimensions: 1.00in x 1.00in x 0.50in
United States Shipping
Orders over $200 qualify for Free Super-Saver Shipping! We ship at our discretion via the most cost-effective method using FedEx, UPS, or USPS.To ensure your order is processed efficiently, all shipping charges must be pre-paid at checkout. We are unable to bill directly to third-party shipper accounts or use customer-provided labels for domestic shipments.
International Shipping
International orders begin processing as soon as payment is confirmed.- Pre-paid Shipping: For your convenience, you can select and pay for international shipping directly at checkout.
- Carrier Accounts: Alternatively, we can bill transport costs directly to your FedEx account number. (Note: We cannot bill to DHL, TNT, or UPS accounts).
- Customer Labels: We are also happy to ship internationally using pre-paid labels provided by you for any carrier.
Expedited and Rush Shipping
Need it faster? HardwareJet.com offers 1 or 2-day expedited shipping options during checkout for eligible items.To get your order to the front of the line, expedited orders include a small rush fee in addition to the carrier's shipping charges. If an item is not available for expedited shipping, these options will not appear in your cart.
Item Condition
New - Sealed or Open Box ConditionExcellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item
To bring you an even wider selection, some of our items are shipped directly from our trusted partners. Delivery times may vary for these items.
Product Overview
The Cisco QSFP-100G-LR4-S is a high-performance 100 Gigabit Ethernet transceiver designed for long-reach applications over single-mode fiber (SMF). It delivers reliable, low-latency connectivity up to 10 kilometers using an LC connector. This module is ideal for data center interconnects, campus backbones, and metro networks where bandwidth demands are increasing rapidly.
Key Features
- 100 Gigabit Ethernet (100GBase LR4) support
- 10 kilometer reach over standard SMF with LC connector
- Power consumption 1.5 watts, enabling efficient power budgets
- Compact QSFP+ form factor for dense rack deployments
- Auto-negotiation and link integrity monitoring for simplified operations
- Compatible with Cisco Nexus and UCS platforms
- Robust thermal design with max 70 degrees C operating temperature
Technical Specifications
- Operating wavelength: 1550 nm ± 1.5 nm
- Data rate: 100 Gbps (4 x 25 Gbps lanes)
- Connector type: LC, single mode fiber
- Reach: up to 10 km over SMF
- Power consumption: 1.5 W
- Operating temperature range: -20 to 70 degrees C
- Mechanical dimensions (mm): 19.7 x 25.3 x 13.8
- Weight: 0.35 kg
Applications
- Data center interconnects between aggregation and core switches
- Cable plant upgrades for high-speed backbone links
- Metro network spine-leaf architectures requiring long reach
- Enterprise campus expansion with future-proof 100 Gbps connectivity
- High-performance computing clusters needing low latency, high bandwidth
With its combination of speed, reach, and power efficiency, the Cisco QSFP-100G-LR4-S empowers network operators to meet today's bandwidth challenges while preparing for tomorrow's demands.