What's the power consumption of this device?

The power consumption of the device is as follows: Max 500W, Data Transfer 251W, Idling 238W.

What is the usable storage capacity of this device out of the box?

The usable storage capacity of this device out of the box is 36 TB, as it ships in RAID 6 configuration.

The product features snapshots for instant data backup and recovery.

Yes, this device is equipped with four 10GbE ports, making it suitable for high-speed network environments.

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BUFFALO TeraStation TS71210RH8004 4-Bay NAS 80TB (4x20TB) with Enterprise-Grade Hard Drives Included Rackmount Network Attached Storage

80 TB CAPACITY – 4 pre-tested, NAS-grade hard drives included. Ships in RAID 6 for 36 TB usable capacity; can change to RAID 0 for full 80 TB.
Enterprise-level server performance to enable a powerful storage platform for modern IT environments
Four 10GbE ports for optimized network performance
Two PCIe Gen 4x8 slots for SSD caching and 25/40GbE network cards
Snapshots for instant data backup and recovery
Acclaimed features such as a closed system, snapshots and Btrfs file system, MFA, drive encryption, and more
5-year product warranty and US-based 24/7 support