Your search for "QFX5100-24Q" revealed the following:
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
Juniper QFX5100-24Q-DC-AFI 24x 40GB QSFP+ 2x Mod Slots B-F Airflow (DC) Switch
SKU: NSH-8214
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper QFX5100-24Q-DC-AFO 24x 40GB QSFP+ 2x Mod Slots F-B Air (DC) Switch
SKU: NSN-3903
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper QFX5100-24Q-D-3AFI 24x 40GB QSFP+ 2x Mod Slots B-F Air (DC) Switch
SKU: NSN-3777
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper QFX5100-24Q-D-3AFO 24x 40GB QSFP+ 2x Mod Slots F-B Air (DC) Switch
SKU: NSN-3779
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Juniper QFX5100-24Q-AA-AFI 24x 40GB QSFP+ 1x DW Slot Back-to-Front Air Switch
SKU: NSH-8216
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper QFX5100-24Q-AA-AFI 24x 40GB QSFP+ 1x DW Slot B-F Airflow Switch
SKU: NSN-3775
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
Juniper QFX5100-24Q-AA-AFO 24x 40GB QSFP+ 1x DW Slot Front-to-Back Air Switch
SKU: NSH-8233
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper QFX-PFA-4Q 4x 40GB QSFP+ Packet Flow Accelerator Switch Module
SKU: NSN-4856
Condition: New
Shipping: Overnight Options
Warranty: 365 days