# STARTECH Cisco QSFP-40G-LR4 Compatible QSFP+ Module - 40GBASE-LR4 - 40GbE SMF Optic Transceiver - 40GE Gigabit Ethernet LC 10km - 1270nm-1330nm - DDM Cisco Firepower | ASR1000 (QSFP40GLR4ST) (QSFP40GLR4ST)

40 Gbps | Single Mode Fiber | LC | 10 km (6.2 mi) | Lifetime WarrantyThe QSFP40GLR4ST is a Cisco QSFP-40G-LR4 compatible fiber transceiver module that has been designed, programmed and tested to work with Cisco™ brand switches and routers. It delivers dependable 40 GbE connectivity over fiber cable, for 40GBASE-LR4 compliant networks, with a maximum distance of up to 10 km (6.2 mi).Technical Specifications:• Wavelength: 1270nm to 1330nm• Maximum Data Transfer Rate: 40 Gbps• Type: Single Mode Fiber• Connection Type: LC Connector• Maximum Transfer Distance: 10 km (6.2 mi)• MTBF: 1,489,426 hours• Power Consumption: Less than 2.5 Watts• Digital Diagnostics Monitoring (DDM): YesThis QSFP+ fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions.StarTech.com SFPsAll StarTech.com SFP & SFP+ transceiver modules are backed by a lifetime warranty and free lifetime multilingual technical support. StarTech.com offers a wide variety of SFP modules and direct-attach SFP cables, providing the convenience and reliability you need to ensure dependable network performance.The StarTech.com Advantage

## Details

- **Price:** 1717.31 AUD
- **Vendor:** STARTECH
- **Type:** Network Transceiver Modules
- **Tags:** Ingram, Network Transceiver Modules, Repeaters & Transceivers, UPOELXCBS763

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 1717.31 AUD | In stock |

## Images

- STARTECH Cisco QSFP-40G-LR4 Compatible QSFP+ Module - 40GBASE-LR4 - 40GbE SMF Optic Transceiver - 40GE Gigabit Ethernet LC 10km - 1270nm-1330nm - DDM Cisco Firepower | ASR1000 (QSFP40GLR4ST) (QSFP40GLR4ST)
- STARTECH Cisco QSFP-40G-LR4 Compatible QSFP+ Module - 40GBASE-LR4 - 40GbE SMF Optic Transceiver - 40GE Gigabit Ethernet LC 10km - 1270nm-1330nm - DDM Cisco Firepower | ASR1000 (QSFP40GLR4ST) (QSFP40GLR4ST)
- STARTECH Cisco QSFP-40G-LR4 Compatible QSFP+ Module - 40GBASE-LR4 - 40GbE SMF Optic Transceiver - 40GE Gigabit Ethernet LC 10km - 1270nm-1330nm - DDM Cisco Firepower | ASR1000 (QSFP40GLR4ST) (QSFP40GLR4ST)
- STARTECH Cisco QSFP-40G-LR4 Compatible QSFP+ Module - 40GBASE-LR4 - 40GbE SMF Optic Transceiver - 40GE Gigabit Ethernet LC 10km - 1270nm-1330nm - DDM Cisco Firepower | ASR1000 (QSFP40GLR4ST) (QSFP40GLR4ST)

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> Source: [TechForGood](https://techforgood.com.au/products/startech-com-cisco-qsfp-40g-lr4-compatible-qsfp-transceiver-module-40gbase-lr4-cisco-qsfp-40g-lr4-co)
> Updated: 2026-05-12