Your search for "Juniper QSFP-100G" revealed the following:

NEW Nvidia Mellanox MCP1600-C003E30L 3m 100GB QSFP28 Direct Attach Copper Cable

SKU: NSN-8336
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Arista DCS-7280QR-C36-F 24x 40G QSFP+ 12x 100G QSFP F-R Airflow Switch

SKU: NSN-2371
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Arista DCS-7280SRA-48C6-F 7280R 48x 10G SFP+ 6x 100G QSFP F-B Air Switch

SKU: NSN-4309
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Arista DCS-7060CX-32S-F HPE JH576A 32x 100GB QSFP28 2x 10GB SFP+ F-B Air Switch

SKU: NSH-7470
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Nvidia Mellanox MCP1600-C02AE26N 2.5m 100GB QSFP28 Direct Attach Cable

SKU: NSN-8965
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Nvidia Mellanox MMA1L10-CR 100GB BASE-LR4 1310nm SMF LC QSFP28 Transceiver

SKU: NSB-3079
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days