Your search for "juniper qsfp-40g" revealed the following:

NEW Juniper EX4300-48T-DC-TAA 48x 1GB RJ45 4x 40GB QSFP+ F-B DC TAA Switch

SKU: NSN-3464
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper QFX5100-24Q-AA-AFO 24x 40GB QSFP+ 1x DW Slot F-B Airflow Switch

SKU: NSN-3776
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper EX3400-48T 48x 1GB RJ45 4x 1GB SFP+ 2x 40GB QSFP+ F-B Air Switch

SKU: NSN-3978
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper MPC5EQ-40G10G 24x 10GB SFP+ 6x 40GB QSFP+ Router Line Card

SKU: NSN-3556
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper EX4600-40F-DC-AFO 24x 10GB SFP+ 4x 40GB QSFP+ F-B Air (DC) Switch

SKU: NSN-3899
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper QFX5100-24Q-D-3AFO 24x 40GB QSFP+ 2x Mod Slots F-B Air (DC) Switch

SKU: NSH-8235
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper QFX5100-48T-DC-AFI 48x MultiGB RJ45 6x 40GB QSFP+ B-F (DC) Switch

SKU: NSN-4199
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper EX9200-6QS 6x 40GB QSFP+ Switch Line Card

SKU: NSN-3884
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper MPC5EQ-40G10G-IRB MX Series 6x 40GB QSFP+ Router Line Card

SKU: NSH-8695
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper QFX5100-48S-DC-AFO 48x 10GB SFP+ 6x 40GB QSFP+ F-B Air (DC) Switch

SKU: NSN-1570
Condition: New
Shipping: Overnight Options
Warranty: 365 days