2nd generation I series. Dell also offers a developer's version of the XPS 13 running Ubuntu Linux. XPS 13 (L322X, Early 2013) The slightly heavier, revised version of L321X. Difference with the previous version include: 4-8 DDR3L RAM, up to 1600 MHz, Mobile Intel 7 series express chipset QS77 (Panther Point, 3rd generation I series), Intel HD 4000 graphics instead of 3000, two USB 3.0 ports, an upgraded wireless card, and a 13.3-inch HD WLED, HD/FHD TrueLife with Gorilla glass LCD. XPS 13 (9333, Late 2013) Released in 2013. Includes a 13.3" LED backlit touch screen display with 1920×1080 resolution and Corning Gorilla Glass, Intel Core fourth generation i5-4200U or i7-4500U processor (with integrated chipset and Intel HD 4400 Graphics), Windows 8.1 (64-bit), 4 or 8 GiB Dual Channel DDR3 1600 MHz RAM, 128 or 256 GB mSATA SSD, Intel Dual Band Wireless-AC 7260 + Bluetooth wireless, and 55 WHr 6-Cell Battery. However, Dell has not fixed the issue with this generation – a high pitched noise emitting from the keyboard area to the right. XPS 13 (9343, Early 2015) Announced at CES and released in January 2015, the latest XPS 13 comes with the new Intel Broadwell processors and a renovated 3200×1800 touchscreen of 13.3" set in a very thin frame, and claims up to 15 hours of battery life and many other upgrades on the previous model. XPS 13 (9350, Late 2015) Released in October 2015, the 9350 is similar to the 9343 but with the new Intel Skylake processor (6th generation I series) and a Thunderbolt 3 (with USB 3.1 Gen 2 support) in lieu of the mini-DisplayPort. There was also another model with i7-6560 CPU and Iris 540 graphics released later for better graphics performance. One of the biggest improvements was an increase in available integrated RAM memory to 16 GiB DDR3L (in highest versions). It was criticized for the placement of the webcam in the bottom bezel. XPS 13 (9360, Late 2016 and Late 2017) Released in October 2016, the 9360 is similar to the 9350 but with the new Intel Kaby Lake processor (7th generation U series) or, in some models from late 2017 onwards, Intel's 8th generation (Kaby Lake-R) U series processors. The XPS 13 Developer Edition comes preloaded with Ubuntu 18.04 LTS. XPS 13 2-in-1 (9365, Early 2017) The 9365 is similar to the late 2016 XPS 13 (9360) but with a