
Lenovo
The Lenovo ThinkCentre M900 Tiny is a ultra‑compact business desktop released in 2015, featuring 6th‑gen Intel Skylake CPUs, up to 32 GB DDR4 RAM, dual‑storage options and dual 4K DisplayPort output. It targets office, signage and homelab use with enterprise‑grade manageability and a VESA‑mountable chassis.
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Current
$170.61
Average
$160.00
Lowest
$148.89
Highest
$170.61
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From Expert Reviews
Praised by Experts
Criticized by Experts
From User Reviews
Users Love
Users Complain About
Best For
Office workers needing a compact, reliable PC for email, Office apps and web browsing; digital signage and kiosk deployments that benefit from VESA mounting; homelab enthusiasts repurposing the unit for edge computing.
Not Ideal For
Gaming or GPU‑intensive workloads; users requiring the latest OS support without workarounds; scenarios demanding modern ports like USB‑C, Thunderbolt or native HDMI; environments with sustained high‑CPU loads where cooling may throttle.
Expert Opinion
Professional reviewers such as ServeTheHome, Hardware Corner and ItechGuides commend the M900 Tiny for its enterprise‑grade build, vPro capabilities, dual‑4K support and easy upgrade path, while noting its outdated port selection, fragile Wi‑Fi antenna design and lack of a dedicated GPU as significant shortcomings.
What Users Say
Everyday users appreciate the tiny footprint, quiet operation, upgrade flexibility and VESA mounting, often using it for home offices and dual‑monitor setups. Recurring frustrations revolve around Wi‑Fi connectivity after hardware changes, the absence of official Windows 11 support, limited front‑panel ports and the need for adapters due to missing HDMI.
Common Complaints
Wi‑Fi antenna disconnects when the 2.5" drive is removed, Windows 11 not officially supported, limited modern ports (no USB‑C/HDMI), and lack of dedicated GPU capability.
What People Are Saying
“Perfect for my home office – small, quiet, and runs Windows 11 fine.”
“Upgraded to 16 GB RAM and 512 GB NVMe – feels like a new machine.”
“Mounted behind my monitor – saves so much desk space.”
“Dual monitors at 4K – great for multitasking.”
“Wi‑Fi stopped working after I replaced the SSD – turns out the antenna got disconnected.”
“Can’t run Windows 11 officially – had to bypass TPM check.”
“Only two front USB ports – wish there were more.”
“No HDMI – had to buy a DisplayPort to HDMI adapter.”
How It Compares
Compared to other mini PCs of its generation such as the Intel NUC or Dell OptiPlex 7070 Micro, the M900 Tiny offers a larger chassis that accommodates dual storage (2.5" + M.2) and dual 4K DisplayPort outputs, plus enterprise vPro support. However, it lags behind newer models with USB‑C, Thunderbolt and more efficient cooling, and its 6th‑gen CPU limits OS longevity.