BUFFALO External HDD 640GB

● Contents
・HD-ES640U2 (Main unit, built-in power supply)
・USB cable (included with main unit)

● Specifications
・Brand: BUFFALO
・Model Name: HD-ES640U2
・Storage Capacity: 640GB
・Interface: USB2.0/1.1
・Drive Rotation Speed: 7200rpm
・Cooling Function: Fanless
・Compatible with Windows & Mac, TV recording
・Power switch, access lamp: Yes
・Equipped with Power Saving Mode that stops HDD rotation after a certain period of inactivity, reducing standby power consumption by up to approximately 75%.
・PC Interlocking AUTO Power function that automatically switches the HDD power on/off in conjunction with the PC's power.
・Slim case compatible with both vertical and horizontal placement, heat dissipation function with airflow design, and quiet/vibration-proof design.

● Product Condition
・Exterior
No noticeable scratches or dirt.
・Operation
Used for approximately 2 years for data backup, then stored. For this listing, after transferring stored data, all data was overwritten with zeros and formatted with exFAT (no errors at this point). Ready to use immediately with Windows and macOS. Can also be used for TV recording by formatting with the target device.

Used only for data storage, with infrequent read/write operations. Normal operation has been confirmed at the time of listing, but please purchase only if you understand that this is a used item.