Qualcomm® Gobi™ 3000 chipset 4000 - AT&T models PCI Express Bluetooth 4.0 Expansion Bays One 34mm slot or 4-in-1 Media Reader SmartCard slow (Optional) External ports Two USB 3.0, (one powered) eSATA/USB combo port Additional connector supports the optional Port Replicator, advanced dock, and mini-dock.

Lenovo T430 reviews: Audio High Definition (HD) Realtek ALC3202 codec/stereo speakers Volume up, down, mute buttons Dual array mic Mic button Combo audio/mic jack Camera HD720p resolution wide view angle low light-sensitive face tracking fixed focus processor Premiere performance two spindles Available processors are: Intel® Core™ i3-2370M (2.40GHz) processor with dual-cores DDR3 memory controller (up to 1333MHz), Hyper-Threading technology, 3MB cache i5-3210M (2.50GHz) 1600MHz), Intel Turbo Boost 2.0 (3.10GHz), i5-3320M (2.60GHz) (3.30GHz), i7-3520M (2.90GHz) (3.60GHz), 4MB Communications Network 82579LM Gigabit Connection 11 a/b/g/n Centrino® Advanced-N 6205 Wireless-N 2200 Ultimate-N 6300 PCIe Half Mini Card ThinkPad b/g/n Wireless WAN upgradable on selected models. Intel Centrino Ultimate - N6300 (3x3 AGN) Intel Centrino Advanced - N6205 (2x2 AGN) Intel Centrino Wireless - N2200 (2x2 BGN) (1) 4-in-1 SD Card Reader (SD/SDHC/SDXC/MMC slot) **Up to 30 hours with 9-cell and bottom slice battery

Lenovo t430 drivers