Your search for "QSFP28" revealed the following:
Cisco QSFP-100G-CU3M 3m 100GB QSFP28 Direct Attach Copper Twinax Cable
SKU: NSB-6562
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 89.99
• Only 2 remaining
Call if you need more
Cisco QSFP-100G-AOC25M 25m 100GB QSFP28 Active Optical Cable
SKU: NSH-8874
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 1,146.99
• 5 in stock
Call if you need more
Juniper QFX5120-48Y-AFO 48x 25GB SFP28 8x 100GB QSFP28 F-B Air Switch
SKU: NSH-8249
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 11,244.99
• Only 2 remaining
Call if you need more
Cisco N9K-C93180YC-FX 48x 25GB SFP28 6x 100GB QSFP28 MACsec B-F Airflow Switch
SKU: NSH-6790
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 1,052.99
• Only 2 remaining
Call if you need more
Cisco N9K-C9336C-FX2 Nexus 9300-FX 36x 100GB QSFP28 Back-to-Front Airflow Switch
SKU: NSH-8927
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 2,702.99
• Only 1 remaining
Call if you need more
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
HPE R0P79A SN2700M 32x 100GB QSFP28 ONIE Front-to-Back Airflow Switch
SKU: NSB-8912
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 4,719.99
• 5 in stock
Call if you need more
Dell S4148F-ON 210-ALSI 48x SFP+ 4x QSFP28 2x QSFP+ F-B Air (No OS10) Switch
SKU: NSB-9756
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 817.99
• Only 2 remaining
Call if you need more
NEW Juniper JNP-100G-AOC-1M 1m 100GB QSFP28 Active Optical Cable
SKU: NSN-4700
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 1,527.99
• Only 2 remaining
Call if you need more
Cisco N9K-C92300YC 48x 25GB SFP28 18x 100GB QSFP28 Front-to-Back Airflow Switch
SKU: NSB-6906
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 2,262.99
• Only 2 remaining
Call if you need more