Buy Cisco QSFP-100G-LR4-S 100GBASE-LR4 QSFP28 transceiver. Single-mode fiber, 10km reach. Fast quotes from Eldo Systems.
| Type | QSFP28 |
| Speed | 100 Gbps |
| Wavelength | 1295-1309nm (4x25G CWDM) |
| Distance | 10km |
| Connector | LC Duplex |
| Fiber Type | Single-Mode (OS2) |
| Speed | 100 Gbps (4x25G lanes) |
| Wavelength | 1295.56nm, 1300.05nm, 1304.58nm, 1309.14nm |
| Fiber Type | Single-Mode Fiber (OS2) |
| Connector | LC Duplex |
| Max Distance | 10km |
| DOM Support | Yes |
| Operating Temp | 0°C to 70°C |
| Power Consumption | 3.5W typical |
| Form Factor | QSFP28 |
| Protocol | 100GBASE-LR4 |
Yes, the Cisco QSFP-100G-LR4-S 100GBASE-LR4 QSFP28 Transceiver is currently in stock and available for immediate shipment from our Boulder, CO warehouse. Same-day shipping on orders placed before 2pm MT.
This QSFP-100G-LR4-S is professionally refurbished or new-surplus enterprise hardware. Every unit is fully tested, factory-reset, and inspected before shipping. Cosmetic blemishes (rack marks, minor scuffs) may be present but never affect functionality.
The QSFP-100G-LR4-S comes with the Eldo Systems Lifetime Warranty covering hardware defects. We are an independent reseller — manufacturer warranties do not apply, but our lifetime coverage matches or exceeds typical OEM terms.
Free ground shipping on every order, included in the price. Orders ship same-day if placed before 2pm MT (Mon–Fri). Expedited overnight and 2-day options are available at checkout for urgent deployments.
Yes — we ship worldwide. International orders are quoted individually so we can present accurate freight, duties, and lead time. Use the Request a Quote form or call (484) 630-1533 to start.
Absolutely. We offer volume discounts and project pricing for resellers, integrators, and end-users buying in quantity. Submit a quote with your target quantity and our team will respond within 15 minutes during business hours.
Get the QSFP-100G-LR4-S from Eldo Systems with lifetime warranty and free ground shipping.
Independent Reseller Notice: Eldo Systems is an independent reseller of refurbished and new-surplus enterprise networking equipment. We are not affiliated with, authorized by, or endorsed by Cisco, Juniper, Arista, HPE, Dell, Meraki, Fortinet, Mellanox, NVIDIA, Finisar, or any other manufacturer listed on this site. All product names, logos, and brands are property of their respective owners. All products sold are refurbished or new-surplus unless otherwise noted. Manufacturer warranties do not apply; all items are covered by the Eldo Systems Lifetime Warranty.
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