Lenovo ThinkStation E20, 2.53 GHz, Intel® Xeon® 3000 Sequence, X3440, 4 GB, DVD-ROM, Windows 7 Professional Lenovo ThinkStation E20. Processor frequency: 2.53 GHz, Processor family: Intel® Xeon® 3000 Sequence, Processor model: X3440. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM, Memory clock speed: 1333 MHz. Optical drive type: DVD-ROM. Operating system installed: Windows 7 Professional. Power supply: 280 W. Chassis type: Tower. Product type: Workstation. Weight: 11.2 kg https://www.pcworld.com/article/204776/lenovo_thinkstation_e20.html The Lenovo ThinkStation E20 is one of the more capable PCs in the business desktop category, delivering strong performance at a fair price ($1179 as configured, as of August 31, 2010). Nevertheless, the ThinkStation E20 ultimately falls short of machin... Screwless contraptions hold interior devices in place, DisplayPort connectivity, Biometric scanner on keyboard Limited upgradability, Poor diversity in external connections Although the ThinkStation E20 is a solid desktop PC, it fails to unseat its business-class competition. Shop for the ThinkStation E20 MerchantPriceMerchant Rating $758.61 Learn More » 3 Reviews » $786.51 Learn More » 5 Reviews » See more from 2 vendo... https://www.pcmag.com/review/252751/lenovo-thinkstation-e20 Many workstation desktops have the same components found in mainstream and high end PCs, yet workstations can cost two to three times the price of a business- or consumer-class PC. For the same $1,200 that you were considering for a Dell Studio XPS ... Great price for a workstation. Very good benchmark numbers. ISV certified. Core i5 power for high end graphics. Tool-less upgrades. Media card reader. Lots of expansion room. Green Tech Approved. No eSATA. No FireWire. A couple of trialware packages. The Lenovo ThinkStation E20 comes in at a price point that used to be unheard of for workstation PCs: under $1,200. It's has the power to rival systems costing almost twice as much, and it's a good fit for the Digital Content Creation business as well ... https://www.silentpcreview.com/lenovo-thinkstation-e20 The Lenovo ThinkStation E20 is micro-ATX entry-level workstation with relatively modest processing power and expandability. On the bright side, it's affordable, energy efficient, well-built, EPEAT Gold certified, cool and surprisingly quiet. Overall we enjoyed our experience with the ThinkStation E20. It is plenty fast, thrifty in power consumption, and runs cool. It's also surprisingly quiet, though this might not hold as true if a hotter processor and/or video card is specified. We're n...