The ThinkCentre M52 desktop was announced in May 2005 following Lenovo's acquisition of IBM's Personal Computing Division.
[3] PC World called the M52 desktop, "A corporate machine for the security conscious business user looking for stability and reliability".
[4] The M52 desktop was equipped with a 3 GHz Pentium 4 processors, an 80 GB hard disk drive, up to 4 GB of RAM, eight USB 2.0 ports, two serial ports, a Gigabit Ethernet connection, VGA output, and a chassis that did not require tools to open − a toolless chassis.
Its design and functions are well-suited to an office environment and we think it's a good choice for any business searching for a uniformed PC roll-out.
[6] While the chassis was similar to previous ThinkCentre desktops, it was made smaller to fit better in office spaces.
[6] The ThinkCentre M55p desktop offered the following specifications: It was described by About.com as being "a very solid system for business users" and a "general purpose PC" for consumers.
[7] The ThinkCentre M55e desktop was equipped with: PCMag listed the pros as being the dual-core processor, small form factor, enterprise-class hardware, ThinkVantage Technologies, and the three year on-site warranty.
[8] The price, the 90-day subscription to Symantec client security, and the lack of a DVD writer were listed as the cons of the desktop.
[12] The desktops were dubbed "eco" and had an ultra-small form factor with low power consumption.
[13][14] The desktop offered the following specifications: The M58p was received by Desktop Review in a manner similar to the M58, with the reviewer stating, "The M58p is designed to meet all the stringent requirements commercial organizations have while still providing that Lenovo touch through OEM software, warranties and support.
[20] The desktop was summarized as, "Expensive but, thanks to superb design and power, worth the cash for demanding business users".
The AIO desktop offered the following specifications: PCMag listed the pros of the desktop as the compact design, HD display, support for two monitors, simple multi-touch interface, good component mix, stand options, and easy servicing.
[21] The cons were listed as the dull colors on videos because of the matte screen, the lack of an eSATA port, and the need for an adapter when using external DVI.
[21] Computer Shopper summarized the capabilities of the M90z with the statement, "In our test configuration, the business-oriented M90z is overkill for most office tasks.
"[22] The ThinkCentre M71e desktop was described by PCWorld as being "a basic PC designed for small and medium-sized businesses".
[23] The DVD bay was powered by a strong motor; the drive tray would eject and close almost as soon as the button was pressed with very little lag.
[25] Detailed specifications of the M71z all-in-one are as follows:[26] The ThinkCentre M75e desktop was praised by SlashGear for its processing power and small form factor.
[27] The desktop was indicated by Lenovo to be "multi-monitor friendly", with the capacity to power two displays even with the basic configuration.
[27] An optional half-height graphics card also allowed two additional monitors to be powered, for a total of four independent displays.
[27] The PC's fan would only run for a short duration at a high speed, making it louder than some desktops and workstations.
[28] The desktop optionally included AMD Radeon discrete graphics, with support for up to four independent displays.