What kind of backup and recovery options does this device offer?

The device offers Snapshot backup and recovery options.

What is the maximum storage capacity this NAS system can support?

This NAS system can support a maximum storage capacity of 80TB.

Yes, this device is optimized for small to medium-sized businesses, supporting 30 to 100 concurrent users.

Yes, this device is compatible with cloud storage services such as Amazon S3, Dropbox/Dropbox Business, Microsoft Azure, and OneDrive.

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BUFFALO TeraStation TS5420DN4002 2-Bay NAS 40TB (2x20TB) with NAS-Grade Hard Drives Included Desktop Network Attached Storage

Pre-tested NAS-grade hard drives included and RAID pre-configured to save you time and money.
High Performance Business Network Storage Solution
Cloud compatibility w/ Amazon S3, Dropbox/Dropbox Business, Microsoft Azure and OneDrive
Enhanced security: Closed system, AES-256 encryption, 2-factor authentication, Snapshot backup and recovery
3-year warranty w/ 24/7 US-based support
Native 10GbE port for high speed file transfers w/ no cable upgrades needed
Vmware- and Windows Server 2022-certified for virtualization solutions
Remote Management System: Manage multiple devices from a single console to save time/resources
Optimized performance for SMB (30 - 100 concurrent users)
Unit ships with 40TB (2 x 20TB hard drives) in RAID 1, giving you 20TB of usable hard drive space and 2 open bays for future expansion up to 80TB
2.04 GHz Quad-Core Processor w/ 8GB ECC memory
Includes NovaBACKUP software licenses for professional-level server and PC backups
TAA compliant - Made in Japan