Transceivers & optics

Cisco QSFP-100G-LR4-S 100GBASE-LR4 QSFP28 Transceiver

Name: Cisco QSFP-100G-LR4-S 100GBASE-LR4 QSFP28 Transceiver
Brand: Cisco
SKU: QSFP-100G-LR4-S

SKU QSFP-100G-LR4-S · New

Request pricing

We confirm current pricing, stock, and lead time on request.

Request a quote

Free US shipping over $2,500.00
Government Purchase Card (GPC) accepted
Authorized Cisco partner, genuine warrantied hardware
TAA-compliant & DoDIN APL procurement paths
No payment up front, we confirm stock & final total

Overview

The Cisco QSFP-100G-LR4-S delivers 100 Gigabit Ethernet over a single pair of standard G.652 single-mode fiber, reaching up to 10km with a duplex LC connector. It multiplexes four LAN-WDM wavelengths onto one fiber pair, making it ideal for building-to-building, campus, and data center interconnect spans. The module supports digital diagnostics for proactive link monitoring and is fully standards compliant. Genuine Cisco hardware sourced through an authorized partner.

Highlights

100GBASE-LR4 over duplex single-mode fiber, LC connector
Reach up to 10km on G.652 SMF using LAN-WDM (4x 25G)
Hot-swappable QSFP28 with digital optical monitoring
Genuine Cisco, authorized-partner sourced for warranty integrity
TAA-compliant procurement path and Government Purchase Card (GPC) accepted
Government Purchase Card (GPC) accepted

Cisco Cisco QSFP-100G-LR4-S 100GBASE-LR4 QSFP28 Transceiver datasheet & specifications

Optical

Standard: 100GBASE-LR4
Form factor: QSFP28
Connector: Duplex LC
Fiber: G.652 single-mode (SMF)
Max reach: 10km

Operating

Data rate: 100 Gbps (4x 25G LAN-WDM)
DOM: Yes

Frequently asked questions

How much does the Cisco QSFP-100G-LR4-S 100GBASE-LR4 QSFP28 Transceiver (QSFP-100G-LR4-S) cost?

Pricing for the QSFP-100G-LR4-S is available on request. Send a quick quote request and a Uniqcli specialist will confirm the current price, stock, and lead time, usually within one business day. Lower pricing is available for volume, GPC, and emergency-acquisition orders.

Is the QSFP-100G-LR4-S TAA compliant and available for government and DoD buyers?

Yes. Uniqcli is an authorized Cisco partner and supports TAA-compliant, DoDIN APL-ready procurement of the QSFP-100G-LR4-S for US federal, DoD, state, local, education, healthcare, and enterprise buyers. We accept the Government Purchase Card (GPC) and can support FAR-based urgent and emergency acquisitions.

Can I buy the QSFP-100G-LR4-S as a single unit or in volume?

Both. Order a single QSFP-100G-LR4-S through the cart, or ask about lower pricing for volume orders, Government Purchase Card (GPC) purchases, and emergency or urgent (FAR-based) acquisitions. There is no payment up front: we confirm availability and the final total before invoicing.

Where can I find the QSFP-100G-LR4-S datasheet and specifications?

The official Cisco datasheet is available on this page (open the gated datasheet for the full PDF), and the Tech Specs section lists ports, power draw, dimensions, and licensing for the QSFP-100G-LR4-S.