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

NEW Arista SFP-1G-LX Optical 1 Gigabit BASE-LX Transceiver SFP

SKU: NSN-6609
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Juniper EX-SFP-1GE-SX-ET 1GB BASE-SX 850nm MMF LC SFP Transceiver

SKU: NSH-6952
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Juniper RX-550M-SFP 1GB BASE-SX 850nm MMF LC SFP Transceiver

SKU: NSN-7095
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Fortinet FN-TRAN-SX 1GB BASE-SX 850nm 500m MMF LC SFP Transceiver

SKU: NSB-1533
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days

NEW Extreme 10051H 1GB BASE-SX 850nm MMF LC SFP Transceiver

SKU: NSN-7132
Condition: New
Shipping: Overnight Options
Warranty: 365 days

Arista DCS-7368-SUP-D 7368X4 Quad core CPU, 16GB w/SSD Switch Supervisor Module

SKU: NSB-5435
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days