I found something my family bought and lost over a year ago. Since I don't need it, I'm selling it on a first-come, first-served basis. I think the warranty has expired, so please consider purchasing with that in mind. Never used. Opened. BUFFALO network HDD with USB 3.0 connection, equipped with RAID function, ideal for data backup. - Brand: BUFFALO - Model: Network HDD - Connection Interface: USB 3.0 - Supported OS: Windows, Mac - Size: 210x125x50mm - RAID Function: RAID 0/1 - Usage: Data backup, folder sharing Thank you for viewing. [Features] With the mirroring function, you can protect important data such as family photos, music, and work files. [Recommended for] Those who are running out of storage on their smartphones or PCs. Those who don't want to lose important data if their HDD breaks. Those who want to enjoy TV programs more. [Capacity] 6TB (2 drives) * When mirroring, the usable capacity is 1/2. [Size/Weight] 87 x 128 x 205mm * Body only (excluding protrusions) Approximately 2.5kg