: Integrated Blu-ray Disc Player (BD ROM) that also functions as a DVD±RW/±R DL/RAM writer. Connectivity & Ports Wireless : Supports IEEE 802.11 b/g/n for Wi-Fi.

: Features an ExpressCard/34 slot, an SD card slot, and a specialized Memory Stick Duo slot.

The is a 17.3-inch laptop from the early 2010s. It is important to note that "PCG-91112M" is actually a chassis number used for grouping similar hardware; the specific model name for support and drivers typically begins with VPC (e.g., VPCEC2S1E ) and can be found in the BIOS or on the display frame. Core Specifications