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

NEW Juniper JNP-QSFP-40G-LX4 40GB BASE-LX4 1310nm MMF QSFP+ Transceiver

SKU: NSN-1716
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper QFX-QSFP-40G-LR4 40GB BASE-LR4 1310nm SMF QSFP+ Transceiver

SKU: NSB-5039
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper QFX-QSFP-40G-ESR4 40GB BASE-ESR4 850nm MMF QSFP+ Transceiver

SKU: NSN-3404
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper SRX-QSFP-40G-LR4 40GB BASE-LR4 850nm MMF QSFP+ Transceiver

SKU: NSB-4608
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

Juniper EX-QSFP-40GE-SR4 40GB BASE-SR4 850nm MMF QSFP+ Transceiver

SKU: NSH-9719
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper JNP-QSFP-DAC-7MA 7m 40G QSFP+ Direct Attach Copper Cable

SKU: NSN-6381
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper QSFPP-40GBASE-ER4 40GB BASE-ER4 1310nm SMF 40km QSFP+ Transceiver

SKU: NSB-3530
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper JNP-QSFP-40GE-ER4 40GB BASE-ER4 1310nm SMF QSFP+ Transceiver

SKU: NSN-6363
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper JNP-QSFP-40GE-IR4 40GB BASE-LR4 1310nm SMF LC QSFP+ Transceiver

SKU: NSN-5340
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper JNP-QSFP-4X10GE-IR 40GB BASE-LR4 1310nm SMF QSFP+ Transceiver

SKU: NSN-6362
Condition: New
Shipping: Overnight Options
Warranty: 365 days