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ThinkCentre M series

model series of desktop computers by IBM and Lenovo

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionSep 23, 2026
Entity authorityQ7784439
Source-derived summary

The M-series of desktops are part of Lenovo's ThinkCentre product line. Lenovo has released M-series desktops in multiple form factors, ranging from traditional tower, small form factor, to ultra small form factor, and all-in-ones (AIOs). Formerly an IBM brand, Lenovo acquired the ThinkCentre desktop brand following its purchase of IBM's Personal Computing Division (PCD) in 2005.

2003

In 2003, IBM redesigned and re-launched their ThinkCentre product line. The first desktop released was an M-series desktop – the M50.

M50

The first desktop in IBM's redesigned ThinkCentre line was the M50, announced in 2003. The desktop offered the following specifications:

Processor: Intel Pentium 4 3.0 GHz

RAM: 256 MB PC2700 DDR

Storage: 40 GB 7200 RPM

Graphics: Intel Extreme 2 (integrated, 64MB of shared video RAM)

Optical drive: 48x CD-ROM

Audio: SoundMAX Cadenza audio without speakers

Operating system: Microsoft Windows XP Professional

USB ports: eight USB 2.0 Ports

While the desktop was made available as a consumer PC, it was more suited to a corporate environment, with the limited storage and graphics capabilities.

2005

The ThinkCentre desktop released by Lenovo in 2005, following its acquisition of IBM's PCD was the M52.

M52

The ThinkCentre M52 desktop was announced in May 2005 following Lenovo's acquisition of IBM's Personal Computing Division. PC World called the M52 desktop, "A corporate machine for the security conscious business user looking for stability and reliability".

Editorial summary

Begin with the source’s own compact description: “ThinkCentre M series” is model series of desktop computers by IBM and Lenovo. The dossier treats that line as a proposition to test through ThinkCentre, series and model, not as a finished interpretation.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current lead gives the account dated anchors—2005, 2003—that can be checked directly. The selected authority fields contribute no independent date. For this dossier, ThinkCentre, series and model is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “model series of desktop computers by IBM and Lenovo” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Sep 23, 2026. The linked authority identifier is Q7784439. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2005 and 2003.

Critical limits

Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.

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  2. Expand the search: follow ThinkCentre M series primary sources, ThinkCentre M series archive and ThinkCentre research across catalogues and specialist indexes.
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Source & attribution

This entry incorporates text from ThinkCentre M series” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.