Your search for "qsfp-100g-sr4" revealed the following:
Cisco QSFP-100G-SR4-S 100GB BASE-SR4 860nm MMF Optical QSFP Transceiver
SKU: NSH-6531
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 56.99
• 7 in stock
Call if you need more
Arista QSFP-100G-SR4 100GB BASE-SR4 850nm Short Reach MMF QSFP28 Transceiver
SKU: NSB-5273
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 84.99
• 65 in stock
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NEW Arista QSFP-100G-SR4 100GB BASE-SR4 850nm Short Reach MMF QSFP28 Transceiver
SKU: NSN-6661
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 168.99
• Only 1 remaining
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NEW Juniper JNP-QSFP-100G-SR4 100GB BASE-SR4 850nm MMF QSFP28 Transceiver
SKU: NSN-5135
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 78.99
• 19 in stock
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Juniper EX-QSFP-100G-SR4 100GB BASE-SR4 850nm MMF QSFP28 Transceiver
SKU: NSB-5040
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 48.99
• 6 in stock
Call if you need more
NEW Juniper EX-QSFP-100G-SR4 100GB BASE-SR4 850nm MMF QSFP28 Transceiver
SKU: NSN-6368
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 249.99
• Only 2 remaining
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Juniper JNP-QSFP-100G-SR4 100GB BASE-SR4 850nm MMF QSFP28 Transceiver
SKU: NSH-5853
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 48.99
• 6 in stock
Call if you need more
Juniper QSFP-100GBASE-SR4 100GB BASE-SR4 850nm MMF QSFP28 Transceiver
SKU: NSH-5660
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 47.99
• Only 2 remaining
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Dell Q28-100G-SR4-85C 4WGYD 100GB BASE-SR4 QSFP-100G Transceiver
SKU: NSB-4116
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 56.99
• Only 2 remaining
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NEW Dell Q28-100G-SR4-85C 4WGYD 100GB BASE-SR4 QSFP-100G Transceiver
SKU: NSN-1159
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 59.99
• Only 2 remaining
Call if you need more