BUFFALO USB hard drive for TV recording, capable of simultaneous recording of 6 channels. Regza Time Shift Machine Regza Server Time Shift Machine 6 channels, 80 hours - Brand: BUFFALO - Model Name: HDT-AV4.0TU3/V - Capacity: 4.0TB - Compatible Models: Z700X, Z20X, Z10X, Z9X, Z8X, Z8, Z7, J20X series, DBR-M590 - Connection Type: USB connection - Features: Simultaneous recording of 6 channels - Color: Black - Includes instruction manual Energy-saving, horizontal placement, compatible with PCs Uses a dedicated hard disk drive USB3.1/3.0/2.0, equipped with a cooling fan I was using this at home as a time shift device, but I am selling it because I have switched from a Regza TV to a different manufacturer's TV. Operation has been confirmed to be working, but please understand and acknowledge that I cannot provide support for any issues. Recycled cardboard will be used for shipping. Thank you for your understanding.