Based on this product's specifications, here are some alternatives and similar models
SFP Module DELL 1GB-SX 01-SSC-9789
Summary description:
The DELL 1GB-SX SFP module is designed for short haul fiber connections, providing reliable data transmission over multimode fiber. It supports a data rate of 1 Gbps and operates at a wavelength of 850 nm. This module is compatible with various DELL networking devices, ensuring seamless integration and enhanced network performance. Its compact design allows for easy installation in any SFP slot, making it an ideal choice for expanding your network capabilities.