Your search for "SFP-25G" revealed the following:

NEW Dell S5212F-ON-RA 12x 25GB SFP28 3x 100GB QSFP28 B-F Air OS10 Switch

SKU: NSN-8133
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Cisco N540-ACC-SYS NCS 540 24x 10GB SFP+ 8x 25GB SFP28 2x 100GB QSFP28 Router

SKU: NSB-8197
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Arista DCS-7060SX2-48YC6-F 48x 25GB SFP25 6x 100GB QSFP F-B Airflow Switch

SKU: NSN-3765
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Arista HPE DCS-7260CX-64-R JH800A 64x 100GB QSFP100 2x 10GB SFP+ B-F Switch

SKU: NSN-2353
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Dell S5296F-ON-RA 96x 25GB SFP28 8x 100GB QSFP28 B-F Air (No OS10) Switch

SKU: NSN-9939
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Arista DCS-7260CX3-64-R 64x 100GB QSFP28 2x 10GB SFP+ B-F Airflow Switch

SKU: NSN-0676
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper QFX5120-48Y-AFI 48x 25GB SFP28 8x 100GB QSFP28 B-F Airflow Switch

SKU: NSN-3626
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper QFX5200-48Y-AFI 48x 25GB SFP28 6x 100GB QSFP28 B-F Airflow Switch

SKU: NSN-3632
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper QFX5200-48Y-AFO 48x 25GB SFP28 6x 100GB QSFP28 F-B Air Switch

SKU: NSN-3538
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Cisco C9600-LC-48YL C9600 Series 48x 25GB SFP28 Switch Line Card

SKU: NSH-9256
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days