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Black small-form-factor desktop tower with wired keyboard and mouse

Lenovo

Lenovo ThinkCentre M70S G3 SFF i5-12400 16GB 256GB SSD desktop PC

SKU CH-MB3B-MBPDY

Compact small-form-factor desktop with a 12th Gen Intel Core i5-12400, 16 GB RAM and a 256 GB SSD, ready for business or home-office use

  • Screen sizeNo Screen
  • ProcessorIntel Core i5
  • RAM capacity16 GB
  • SSD storage256 GB
  • CPU modelIntel Core i5-12400
  • Form factorSlim/Small Form Factor
  • Compact SFF design fits tight workspaces
  • 12th Gen Intel Core i5-12400 handles daily workloads
  • 16 GB memory keeps multitasking smooth
  • 256 GB SSD boots Windows 11 Pro fast
  • Includes wired keyboard and mouse ready to use

Compact Business Desktop

The Lenovo ThinkCentre M70S G3 is a small form factor desktop designed for professional environments. It ships with Windows 11 Pro installed and includes a wired keyboard and mouse. The compact black chassis measures 20x19x9 and weighs 20 units, making it suitable for constrained workspaces.

Office Workers Not Gamers

This system suits office staff, remote workers, and home office users who need reliable productivity performance. The integrated graphics and modest 256GB SSD limit its appeal for creative professionals, gamers, or anyone requiring large local storage or discrete GPU power.

12th Gen Core i5-12400 Processor

The six-core Intel processor provides the compute foundation for everyday business applications and multitasking. Paired with 16GB of memory, it handles standard office workloads smoothly. Buyers needing higher core counts or faster single-thread speeds should consider other options.

How it compares

Measured against everything we stock in Tower & Compact Desktop PCs, at today’s prices. Recalculated every night.

Price $383.99
Cheaper than about 59% of the 14,711 comparable items (median $494.99).
RAM capacity 16 GB
Typical for this category: the median of 13,125 items is 16 GB.
SSD storage 256 GB
Lower than about 80% of the 11,342 comparable items (median 512 GB).

Specifications

Product
Brand nameLenovo
Product lineThinkCentre
Model nameM70S G3
Product colorBlack
Processor
ProcessorIntel Core i5
CPU modelIntel Core i5-12400
Memory
RAM capacity16 GB
Storage
SSD storage256 GB
Display
Screen sizeNo Screen
Ports & slots
Video connectors2 x DisplayPort 1.4a
Ethernet port1 port
Size & build
Form factorSlim/Small Form Factor
Overall dimensions20 × 19 × 9
Compatibility
Windows 11 supportReady
In the box
Pointing deviceWired Mouse
In the boxDesktop, Power Cord, Keyboard and Mouse Combo
More details
Keyboard typeWired Keyboard

Questions about this item

Does the package include a monitor or do I need to buy one separately?

The box contains the desktop, a power cord, and a wired keyboard and mouse combo; a monitor is not included and must be purchased separately.

Is the 256 GB SSD the only storage option or can I choose a larger drive?

The listing specifies a single configuration with a 256 GB SSD; no other capacity is offered for this model.

Can the Intel Core i5-12400 and 16 GB RAM handle everyday office multitasking?

Yes, the 12th Gen Intel Core i5-12400 paired with 16 GB RAM delivers smooth performance for typical business applications and multitasking.

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