When purchasing for 12 months
When purchasing for 2 years
When purchasing for 3 years
DigiCert Secure Site Pro, with SGC enabled and ECC support, is the most well-known and respected SSL in large enterprises, banks, e-commerce projects, and government agencies. 256-bit Secure Site Pro allows you to issue SSL with the SHA256 hash algorithm and ECC. You can order up to 250 SAN's to protect everything you own with the same certificate.
DigiCert CA, which issues DigiCert SSL certificates, is the most respected SSL provider on the planet. DigiCert manages RapidSSL, GeoTrust, Thawte, and DigiCert SSL certificates. More than 210,000 sites are protected worldwide, and their number is growing. Without a doubt, this is the best choice for your project.