Gigabit Ethernet, Wi-Fi 802.11b/g/n , and Bluetooth 2.1+EDR.
Originally came with a 2.5-inch SATA Hard Drive (typically 250GB to 500GB). Modern users often upgrade these to SSDs for significantly improved performance. Display and Multimedia sony vaio pcg-3j1m specs
Features dedicated mobile graphics, commonly the ATI Mobility Radeon HD 3470 or HD 3650 with 256MB to 512MB of VRAM. Gigabit Ethernet, Wi-Fi 802
For its era, the PCG-3J1M offered a robust selection of I/O for creative professionals and home users. sony vaio pcg-3j1m specs