Business notebook models usually come with Windows 7 Professional installed (some higher models feature Windows 7 Ultimate. All business models have an XP downgrade option and full driver support).
* TT Series – Ultra portable 11.1" professional notebook. Successor of the TZ Series. The smallest notebook computer to accommodate a Blu-ray Disc drive at 11 inches.
* Z Series – 13.1" Ultra portable, featuring a 1600 x 900 display an optional 1920 x 1080 (Full High Definition) resolution upgrade and integrated WWAN. (Replaces the high-end models of the SZ Series.)
* SR Series – 13.3" ultraportable, for home and business use. (Replaces the low-end models of the SZ Series.)
* BZ Series – Robust business notebooks with Trusted Platform Module and biometric fingerprint security technology. (Replaces the BX Series.)
* G Series - 11.1" ultra portable notebook employing Trusted Platform Module technology and biometric fingerprint security features. Weighed only 1.1 kg and was made from CFRP and had an ultra thin LED backlit screen. This notebook brought many technologies that are now on mainstream notebooks to the consumer.
From the second quarter of 2008, all higher end models (AW, FW, Z, SR, TT and BZ) have incorporated a cylindrical spine, with no ports on the back of the computer. Generally, the AC adapter port is located on one end of the cylindrical spine, and the power button on the other.