Your search for "QSFP28" revealed the following:
Fiberstore QSFP28-4X25G-DAC 2m 100GB QSFP28 to 4x 25GB SFP28 DA Breakout Cable
SKU: NSB-1323
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Mellanox MCP7H00-G003RP 3m 100GB QSFP28 to 2x 50GB QSFP28 Breakout Cable
SKU: NSN-8630
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Arista CAB-Q-4S-100G-1M 1m 100GB QSFP to 4x 25GB SFP28 DA Breakout Cable
SKU: NSN-7153
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Juniper QFX5200-48Y-AFO 48x 25GB SFP28 6x 100GB QSFP28 F-B Air Switch
SKU: NSH-8257
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Dell S4148FE-ON-RA 48x 10GB SFP+ 2x 40GB QSFP+ 4x 100GB QSFP28 B-F OS10 Switch
SKU: NSB-6543
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Juniper JNP-100G-DAC-3M 3m 100GB QSFP28 Direct Attach Copper Cable
SKU: NSH-9322
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Mellanox MCP7H00-G003RP 3m 100GB QSFP28 to 2x 50GB QSFP28 Breakout Cable
SKU: NSB-3213
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW Dell S5224F-ON-RA 24x 25GB SFP28 4x 100GB QSFP28 B-F Air No OS10 Switch
SKU: NSN-9949
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper JNP-100G-4X25G-1M 1m 100 Gigabit QSFP28 to 4x 25 Gigabit SFP+
SKU: NSN-7154
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Dell S5212F-ON EMC S 12x 25GB SFP28 3x 100GB QSFP28 F-B Air OS10 Switch
SKU: NSN-4145
Condition: New
Shipping: Overnight Options
Warranty: 365 days