ExaGrid announced its new line of Tiered Backup Storage appliances. The EX6, EX10, EX18, EX27, EX36, EX52, and EX84 are the EX84 models. The new appliances can be mixed and matched with any of Exa Grid’s previous appliance models in the same scale-out system. The Ex84 system can take in up to a 2.69PB full backup with 43PB of logical data, making it the largest system in the industry.
Source: https://www.helpnetsecurity.com/2021/01/18/exagrid-tiered-backup-storage/