Your search for "QSFP-100G-DR" revealed the following:
Cisco QSFP-100G-DR-S 100GB SMF Duplex LC 500m QSFP28 Transceiver
SKU: NSB-2194
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 293.99
• 13 in stock
Call if you need more
NEW Arista QDD-400G-DR4 400GBASE-DR4 500m parallel SMF QSFP-DD Transceiver
SKU: NSN-2257
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 619.99
• Only 1 remaining
Call if you need more
Arista QDD-400G-DR4 400GBASE-DR4 500m parallel SMF QSFP-DD Transceiver
SKU: NSB-5243
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 606.99
• Only 2 remaining
Call if you need more
Arista QSFP-100G-DR 100GB BASE-DR 500m SMF QSFP28 Transceiver
SKU: NSB-5286
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Arista OSFP-400G-DR4 400GB BASE-DR4 500m Over Parallel SMF OSFP Transceiver
SKU: NSB-5209
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days