The Lenovo ThinkCentre M90s Gen 5 is a small form factor (SFF) business desktop built around the 14th Gen Intel Core i5-14500 vPro processor. It handles office productivity, multitasking, accounting software and multi-monitor work from a compact 8.2-litre chassis. It suits offices, IT-managed fleets, schools and computer labs that need reliable, secure and serviceable PCs.
Key Features & Benefits
- 14-core Intel Core i5-14500 vPro processor: Six performance and eight efficient cores run heavy spreadsheets, browsers and video calls together without slowdowns. Additionally, vPro Enterprise lets IT teams manage and repair PCs remotely.
- Up to four independent displays: Two DisplayPort 1.4a outputs and one HDMI 2.1 drive three monitors out of the box. As a result, finance, admin and design staff see more data at once.
- Upgrade-friendly SFF design: Tool-less access to four DDR5 slots, two M.2 SSD slots and a 3.5″ drive bay. You can grow memory to 128GB and add storage without replacing the PC.
- Business-grade security: Discrete TPM 2.0, self-healing BIOS, USB port control and a padlock loop protect data and hardware. For instance, IT can block USB storage while allowing keyboards and mice.
- 3-year on-site warranty: A technician comes to your location for covered repairs. Consequently, downtime is shorter than with carry-in service.
Technical Specifications
Processor & Platform
- Processor: Intel Core i5-14500 vPro (14th Gen), 14 cores (6P + 8E), 20 threads
- Clock speed: P-cores 2.6 GHz base / up to 5.0 GHz; E-cores 1.9 GHz base / up to 3.7 GHz
- Cache: 24MB Intel Smart Cache
- Chipset: Intel Q670
- Manageability: Intel vPro Enterprise
Memory
- Installed: 16GB DDR5 UDIMM, running at 4400 MHz on this processor
- Slots: 4x DDR5 UDIMM, dual-channel capable
- Maximum: Up to 128GB DDR5
Storage
- SSD: 256GB M.2 2280 PCIe 4.0 x4 NVMe, TLC NAND, Opal 2.0 self-encrypting
- Expansion: 2x M.2 SSD slots (up to 2TB each), 1x 3.5″ bay (up to 2TB HDD), optional 2.5″ bay
- Optical drive: Slim 9.0 mm DVD burner (DVD±RW)
Graphics & Display
- Graphics: Intel UHD Graphics 770 (integrated, shared memory)
- Video outputs: 2x DisplayPort 1.4a, 1x HDMI 2.1 TMDS
- Maximum resolution: 4096 x 2304 @ 60 Hz (DisplayPort); 4096 x 2160 @ 60 Hz (HDMI)
- Multi-monitor: Up to 4 displays with an optional Flex IO port; 3 with standard ports
Connectivity
- Ethernet: Gigabit, Intel I219-LM, 1x RJ-45, Wake-on-LAN (onboard)
- Wireless: Intel Wi-Fi 6 AX201, 802.11ax 2×2
- Bluetooth: 5.2
Ports
Front:
- 1x USB-C (10 Gbps), data and 15W charging
- 2x USB-A (10 Gbps)
- 2x USB-A (5 Gbps)
- 1x headphone/mic combo jack (3.5 mm)
- 1x microphone jack (3.5 mm)
Rear:
- 4x USB-A (5 Gbps)
- 1x HDMI 2.1, 2x DisplayPort 1.4a
- 1x Ethernet (RJ-45)
- 1x line-out (3.5 mm)
- 1x serial port (via included serial port cable)
Expansion Slots
- 1x PCIe 4.0 x16, low-profile
- 1x PCIe 4.0 x16 (x4 signal), low-profile
- 1x PCIe 3.0 x1, low-profile
- Cards up to 155 mm long and 70 mm high
Security
- Discrete TPM 2.0 (FIPS 140-2 certified)
- Self-healing BIOS, Intel BIOS Guard, secure boot, secure wipe
- Smart USB protection and individual USB port disablement
- Kensington security slot and padlock loop
Audio
- Realtek ALC897 HD Audio codec
- Internal speaker, 1W
Input Devices
- Lenovo Calliope USB keyboard, black, English (UK) layout
- Lenovo Calliope USB mouse, black
Physical & Power
- Form factor: Small form factor (8.2 L)
- Dimensions (W x D x H): 92.5 x 297.7 x 339.5 mm
- Weight: Approx. 5.3 kg
- Power supply: Internal, 100–240 V, 50–60 Hz (258W–310W depending on build)
- Dust shield: Included — helps keep dust out of the chassis in busy or dusty rooms
Durability & Certifications
- MIL-STD-810H tested (temperature, humidity, dust, vibration, shock)
- TCO Certified Gen 9, ErP Lot 3, RoHS, GREENGUARD
Operating System & Warranty
- Operating system: None installed (supports Windows 11 Pro/Home and Ubuntu Linux)
- Warranty: 3-year limited on-site service
Who Is the ThinkCentre M90s Gen 5 For?
Business and Office Use
- Accounting, ERP and CRM software, large Excel models and multiple browser tabs
- Dual- or triple-monitor setups for finance, admin, logistics and customer service teams
- IT-managed fleets that need remote management via vPro and consistent hardware
Schools, Colleges and Computer Labs
- Student labs running office suites, programming tools and e-learning platforms
- The dust shield and MIL-STD-810H testing suit classrooms with heavy daily use
- USB port control helps administrators prevent unauthorised flash drives during exams
Students and Researchers
- Coding, data analysis, research writing and video lectures on a multi-screen setup
- The DVD burner helps with older course materials and archiving projects
Specialised Workplaces
- The serial port connects legacy equipment such as POS devices, barcode scanners and lab instruments
- Ideal for banks, SACCOs, pharmacies and retail back offices with older peripherals
Frequently Asked Questions
Does it come with Windows?
No. This configuration ships without an operating system. You will need a Windows 11 Pro or Home licence, or you can install Ubuntu Linux.
Can I upgrade the RAM and storage?
Yes. There are four DDR5 slots supporting up to 128GB. You can also add a second M.2 SSD and a 3.5″ hard drive.
Is the 16GB running in dual-channel mode?
It depends on whether the 16GB is one module or two. If it is a single stick, adding a matching 16GB module enables dual-channel and improves performance.
How many monitors can I connect?
Three monitors connect directly via 2x DisplayPort and 1x HDMI. A fourth requires the optional Flex IO port or a graphics card.
Can I add a graphics card?
Yes, but only low-profile cards up to 155 mm long. Check the card’s power draw against the system’s power supply before buying.
Does it work with older equipment?
Yes. The included serial port cable supports legacy devices. Additionally, the nine USB ports cover most modern peripherals.
How does it compare with the ThinkCentre M70s?
The M90s adds vPro Enterprise, more expansion slots and more front ports. Choose the M90s for IT-managed fleets or multi-monitor use.
Important Notes (Confirm Before Publishing)
- Memory configuration: Confirm whether 16GB is 1x 16GB or 2x 8GB. This affects dual-channel performance and upgrade advice.
- Memory speed: Lenovo installs DDR5-5600 modules that run at 4400 MHz on this platform. The listing states 4400 MHz to avoid confusion.
- Bluetooth version: Lenovo’s PSREF lists Bluetooth 5.2 with the AX201 card. The supplied configuration says “5.1 or above”; both are consistent.
- vPro over Wi-Fi: The AX201 card is not the vPro-enabled wireless option. Remote vPro management works over the wired Ethernet connection.
- Power supply rating: Confirm the exact PSU (258W, 260W or 310W) from the model’s PSREF entry or label.
- Serial port: Confirm the serial cable is pre-installed on the rear bracket, not loose in the box.
- Monitor and HDMI cables: Confirm whether any display cables or dongles are included.
- Warranty activation: Confirm 3-year on-site service is valid in Kenya and how customers register it.
- Product number: Add the Lenovo MTM (e.g. 12V8xxxx) once confirmed, for searchability and spec lookup.
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