Your search for "SFP-1G" revealed the following:

NEW Extreme 16405 X460-24x 24x 1GB SFP 4x 1GB Combo 2x Module Slot Switch

SKU: NSN-5045
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW Ruckus ICX6610-24F-PE 24x 1GB FC SFP 8x 1GB SFP F-B Air (Premium) Switch

SKU: NSN-0202
Condition: New
Shipping: Overnight Options
Warranty: 365 days

NEW HPE JG838A 5900CP-48XG-4QSFP+ 48x 10GB SFP+ 4x 40GB QSFP+ Switch

SKU: NSN-2688
Condition: New
Shipping: Overnight Options
Warranty: 365 days

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