Supports external HDDs. It's a dual tuner, so you can record two programs simultaneously. There is no instruction manual. There are scratches and stains on the top panel. HDD capacity is 500GB (the HDD is the smaller 2.5-inch type). Operation was confirmed using the remote control and the main unit buttons. Reception of terrestrial digital and BS broadcasts → ○ Simultaneous recording of two programs → ○ Initialization of BD/DVD discs → ○ Dubbing recorded programs to BD-RE and DVD-RW → ○ Playback of dubbed discs → ○ Playback of commercial BD/DVD/CD discs → ○ There were no problems with the above operation checks. Accessories include a power cord, remote control (with batteries), HDMI cable, and B-CAS card. Blu-ray recorder BD-W550 equipped with a 500GB HDD. - Model name: BD-W550 - HDD capacity: 500GB - Brand: Sharp - Connection terminals: HDMI - Functions: Blu-ray playback/recording - Color: Black Thank you for viewing. The region setting is set to Nara Prefecture, so please change the setting to your region. Made by Sharp in 2014.