What kind of warranty does this product come with?

This product comes with a 3-year warranty with 24/7 US-based support.

What is the maximum data transfer speed supported by this device?

The device features a native 10GbE port for high-speed file transfers.

Yes, the device includes NovaBACKUP software licenses for professional-level server and PC backups.

The system ships with 80TB (4 x 20TB hard drives) in RAID 5, providing 60TB of usable hard drive space.

Yes, you can manage multiple devices from a single console with this NAS system.

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BUFFALO TeraStation TS5420RN8004 4-Bay NAS 80TB (4x20TB) with NAS-Grade Hard Drives Included Rackmount Network Attached Storage

Pre-tested NAS-grade hard drives included and RAID pre-configured to save you time and money
Rackmountable High Performance Business Network Storage Solution
Cloud compatibility with 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 with 24/7 US-based support
Native 10GbE port for high speed file transfers with 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 80TB (4 x 20TB hard drives) in RAID 5, giving you 60TB of usable hard drive space
2.04 GHz Quad-Core Processor with 8GB ECC memory
Includes NovaBACKUP software licenses for professional-level server and PC backups
TAA compliant - Made in Japan