Comodo Standard SSL Wildcard - Certificate encrypts sensitive information and remains private. This cert is designed for encrypting web sites with multiple sub-domains for low volume online transactions.
Secures main domain, and unlimited sub-domains.
Provides a $100,000 Identification Guarantee and come with free re-issues for the life of the certificate.
Comodo Standard SSL - Single domain name security, 128/256 encryption strength, 2048-4096 bit key length, Site Seal included, unlimited reissue period.
Comodo EV SSL - Secures domain with and without 'www' prefix (www.example.com and example.com), single domain name security, 128/256 bit encryption strength, 2048-4096 bit key length, full business validated certificate, Corner of Trust trustmark, turns address bar green (signals EV to your customers).