Your search for "SFP-1G" revealed the following:
Allied Telesis AT-x610-24SPs/X 20x 1GB SFP 4x 1GB Combo 2x 10GB SFP+ Switch
SKU: NSB-2326
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW HPE Aruba J9856A 2530-24G-SFP+ 24x 1GB RJ45 2x 10GB SFP+ Switch
SKU: NSN-2981
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Extreme 16703 24x 1GB PoE+ RJ45 8x 1GB SFP 4x 1GB SFP+ Switch
SKU: NSN-3973
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Extreme 16536 24x 1GB RJ45 4x 10GB SFP+ 4x 1GB Combo (DC) Switch
SKU: NSN-3950
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Juniper DPCE-X-40GE-SFP 40x 1GB SFP Enhanced Services DPC Module
SKU: NSN-4413
Condition: New
Shipping: Overnight Options
Warranty: 365 days
NEW Cisco C3850-NM-2-10G Catalyst 3850 4x 1GB SFP (2x 10GB SFP+) Switch Module
SKU: NSN-1789
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Cisco C1000-8T-2G-L Catalyst 1000 8x 1GB RJ45 2x 1GB Combo Switch
SKU: NSB-7647
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
Cisco N540X-16Z4G8Q2C-D 16x 10GB SFP+ 8x 25GB SFP28 2x 100GB QSFP28 Router
SKU: NSB-0638
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
NEW HPE Aruba JL624A 48x 25GB SFP28 8x 100GB QSFP28 Front-to-Back Airflow Switch
SKU: NSN-3639
Condition: New
Shipping: Overnight Options
Warranty: 365 days
Cisco ASR1001-2.5G-SECK9 4x 1GB SFP 1x SPA Slot 2x SIP Slot Router
SKU: NSH-8297
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days