BUFFALO LinkStation SoHo 220 2-Bay Desktop 4TB Home Office Private Cloud Data Storage with Hard Drives Included
Brand: BUFFALO
Small-Office Home-Office (SoHo) NAS: Reliably organize, share, and backup your important files.
HDDs included (Pre-tested, certified) – for reliability and easy setup. Saves you time and hassle.
USB ports with Direct-Copy for transfers, backups, or expansion to external drives. Great for creative professionals.
Connect to your router for storage for all your devices at the same time. More practical than an external HDD for each device.
Ships with HDDs included and with Automatic Backup (Data is copied on both disks – RAID 1).  This setup fully backs up your data with 2 TB of usable space. You also can simply turn off the auto back up to get the full 4 TB usable space (RAID 0).