The Allied Telesis QSFP Series offers the latest industry-standard connectivity in a flexible, small form factor. These hot-swappable transceiver modules simply plug into any compatible Allied Telesis product.

Documentation
Datasheet: QSFP 40 Gigabit Series
Product information for the QSFP 40 Gigabit small form-factor pluggable modules.
SFP Compatibility
Instructions on how to use Allied Telesis SFPs with Cisco switches.
Applicable Products

SwitchBlade x908 GEN2
Support today’s bandwidth-hungry IoT and smart industry deployments, with the SwitchBlade x908 GEN2 high-capacity stackable Layer 3+ modular switch, with 8 high-speed expansion bays. Enable large Enterprise networks with a powerful feature-set, and integrated wired and wireless network device management.