Lenovo

Lenovo 11DC0037US-3599-238545 ThinkCentre M70s Desktop, i5-10400, 16GB, 6TB HDD, Win 11 Pro

UHDi5-1040016GB DDR46TB HDD260W

A 6TB HDD and 16GB DDR4 give this compact i5-10400 SFF desktop the local storage depth most business workstations never see.

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Overview

The Lenovo ThinkCentre M70s is a Small Form Factor (SFF) desktop built around Intel's 10th Gen Comet Lake platform. The Core i5-10400 delivers 6 cores and 12 threads with a 2.9 GHz base and 4.3 GHz boost, backed by a 12MB L3 cache and a 65W TDP — a thermal envelope the M70s chassis handles comfortably without the noise levels of tower workstations. The 16GB DDR4 DIMM configuration keeps multitasking fluid, and the 6TB HDD is a notable outlier for this class of compact desktop, providing local storage depth typically found only in tower systems or NAS devices. Display output via integrated Intel UHD 630 covers up to three monitors simultaneously, making this viable for multi-display office setups without a discrete GPU.

This machine is targeted at business users and knowledge workers who need a reliable, space-efficient workstation with deep local storage — file-heavy professions like accounting, legal, photography (archiving RAWs), and general office administration benefit most from the 6TB capacity. IT managers deploying a fleet of low-maintenance endpoints will appreciate Lenovo's robust commercial driver and management ecosystem. The system is not positioned for GPU-accelerated or compute-intensive workloads, but for its intended use case — productivity, web, light data management, and multi-monitor office use — it covers the requirement set efficiently. The included M.2 slot makes a future SSD upgrade straightforward and worthwhile.

Key Features

Ethernet LAN (RJ-45), No Webcam, USB Keyboard, .

Intel Core i5-10400 Hexa Core 10th Gen Intel Core i5-10400 2.90GHz Processor (upto 4.3 GHz, 12MB Cache, 6-Core , 12-Threads, ) ; Intel UHD 630 Integrated Graphics, .

16GB DDR4 DIMM; 260W Power Supply, Air Cooling CPU Cooler; Black Color, .

6TB HDD; 2 USB 3.2 Gen1, 4 USB 2.0, 1 HDMI, 2 Display Port (DP), USB 3.2 Type-C Gen1, DVD/CD-RW Combo, 1 x Headphone/Microphone Combo Jack., Windows 11 Pro-64.,

Includes Microsoft 365 Personal 1 Year Subscription for 1 User

Specifications

Processor
Intel Core i5-10400 (6-Core, 2.9 GHz base / 4.3 GHz turbo, 12MB Cache)
Memory
16GB DDR4 DIMM
Storage
6TB HDD
Graphics
Intel UHD 630 (Integrated)
Operating System
Windows 11 Pro 64-bit
Connectivity
Ethernet LAN (RJ-45)
Ports
2x USB 3.2 Gen1, 4x USB 2.0, 1x HDMI, 2x DisplayPort, 1x USB 3.2 Type-C Gen1
Audio
1x Headphone/Microphone Combo Jack
Optical Drive
DVD/CD-RW Combo
Power Supply
260W
Dimensions
4" x 12" x 13.5"
Weight
13 lb
Color
Black

Pros & Cons

👍 Pros

  • 6TB of local HDD storage is unusually deep for a compact desktop, eliminating the need for external drives in document-heavy or media-rich office environments.
  • i5-10400's 4.3 GHz single-core turbo keeps latency-sensitive tasks snappy despite the modest TDP of the 65W chip.
  • Triple-display support via HDMI + dual DisplayPort from integrated UHD 630 covers most multi-monitor business setups without a discrete GPU.
  • USB 3.2 Type-C Gen1 port adds modern peripheral compatibility to the front I/O alongside the legacy USB 2.0 ports.
  • Includes Microsoft 365 Personal (1-year), reducing immediate software licensing costs.

👎 Cons

  • The 6TB storage is a spinning HDD — random access latency is orders of magnitude slower than NVMe; without an added SSD, OS and application load times will feel sluggish relative to current-gen SSD-equipped systems.
  • Intel UHD 630 integrated graphics cannot drive GPU-accelerated workloads — video encoding, 3D rendering, or any GPGPU task will be CPU-bound.
  • 260W power supply leaves minimal headroom if a discrete GPU is added later; upgrading the PSU in a SFF chassis is constrained by physical clearance.
  • 10th Gen Comet Lake architecture; no PCIe 4.0, no Thunderbolt 4 — connectivity ceiling is lower than 12th Gen and newer platforms.
  • DVD/CD-RW combo drive occupies a bay slot that could otherwise hold additional storage in configurations that don't require optical media.

Frequently Asked Questions

The Core i5-10400 runs at 2.9 GHz base and boosts to 4.3 GHz across its 6 cores and 12 threads. In practice, single-threaded tasks like spreadsheets and browser sessions run at or near 4.3 GHz, while multi-threaded workloads like file compression or background encoding distribute across all 12 threads — making this chip responsive for typical office workloads without thermal throttling under normal SFF cooling.
Yes. The ThinkCentre M70s has two DIMM slots supporting up to 64GB DDR4. The 16GB installed here leaves one slot open or uses two 8GB modules; confirm the exact configuration to determine whether upgrading requires replacing or adding a DIMM.
The M70s supports an additional M.2 SSD slot alongside the 3.5" HDD bay. Adding an M.2 NVMe drive and moving the OS to it would deliver substantially faster boot and application launch times while retaining the 6TB HDD for data storage.
The M70s includes 1 HDMI and 2 DisplayPort outputs from the integrated Intel UHD 630, supporting up to three simultaneous displays. Maximum resolution on each output depends on the monitor and cable, but 4K@60Hz is supported on DisplayPort.
A USB keyboard is included. The listing does not specify a mouse — plan to supply your own if needed.