Azure Archive Storage - Low cost, secure cloud storage for rarely accessed data.
AWS Storage Gateway - AWS Storage Gateway is a service connecting an on-premises software appliance with cloud-based storage.
Amazon Glacier - Amazon Glacier is a secure, durable, and extremely low-cost storage service for data archiving and long-term backup.
Minio - Minio is an open-source minimal cloud storage server.
Mimecast Cloud Archive - Reduce costs with Mimecast's cloud archive to move to the cloud with a single, secure archive for email, files and other content.
VMware vSAN - VMware vSAN is radically simple, enterprise-class software-defined storage powering VMware hyper-converged infrastructure.