: Includes 802.11b/g/n Wi-Fi and Bluetooth (version 2.1 or 3.0).

| Specification | Detail | |---------------|--------| | | Intel Pentium Dual-Core (e.g., T2370, T2390, or T3200 – exact variant depends on sub-configuration ) | | Clock Speed | 1.73 GHz to 2.0 GHz | | Front Side Bus | 533 MHz or 667 MHz | | Cache | 1 MB L2 cache |

: Tipping the scales at roughly 3.23 lbs (1.46 kg) with the standard lithium-ion pack installed. This weight makes it easy to carry in standard messenger bags or backpacks.

Graphics, which handles standard 1080p video playback and light graphical tasks. : Standard models shipped with 2GB or 4GB of DDR3 RAM , with a maximum supported capacity of 4GB to 8GB depending on the specific sub-model. : Originally featured a 320GB or 500GB 5400rpm SATA Hard Drive : 11.6-inch LED-backlit screen with a 1366 x 768 (WXGA) resolution. Operating System : Originally shipped with Windows 7 Home Premium (32-bit or 64-bit). Design and Connectivity Portability : It is lightweight at approximately 1.46 kg (3.2 lbs) , making it highly portable for its era. 3x USB 2.0 ports. HDMI and VGA outputs for external displays. SD card reader and Memory Stick Duo slot. Ethernet (RJ-45) and standard headphone/microphone jacks.

The PCG-31311M was built on the , which was specifically designed to balance power efficiency with better integrated graphics than the Intel Atom processors of that time.

The display uses an energy-efficient . The display uses a 40-pin connector at the bottom right of the screen, which is crucial information if you ever need to replace a broken screen.

: Built-in "MOTION EYE" web camera (0.3 Mega pixels, 640x480 resolution) with integrated microphone.

320 GB SATA Hard Disk Drive (HDD) at 5400 rpm. Some refurbished models may feature a 500 GB HDD .

) is a classic ultraportable 11.6-inch mini-notebook. Released during the height of the highly portable "netbook plus" era, it combined Sony’s premium, structural build aesthetic with energy-efficient AMD Fusion processing architecture.

4 GB DDR3 SDRAM (standard on many configurations), often expandable up to 4 GB or 8 GB depending on the specific chassis. 320 GB or 500 GB Serial ATA Hard Drive (5400 rpm). Operating System: Originally shipped with Windows 7 Home Premium

To enhance its connectivity, the PCG-31311M is compatible with a dedicated USB 3.0 . This dock connects via a single USB cable and expands the laptop's capabilities significantly. It can support dual external monitors via HDMI and DVI-D ports and adds an additional Gigabit Ethernet port, two USB 3.0 ports, and four USB 2.0 ports, making it a powerful tool for a desktop workstation.

Despite its small size, the PCG-31311M provides a comprehensive set of I/O ports.

The 320GB/500GB 5400rpm drive is a potential bottleneck. Upgrading to a 2.5-inch Solid State Drive (SSD) significantly transforms the responsiveness of this machine. 4. Connectivity and Ports