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Compact black small-form-factor desktop tower with matte finish

Lenovo

Lenovo ThinkCentre neo 55s SFF Desktop PC AMD Ryzen 7 250 16GB DDR5 512GB SSD Wi-Fi 5 Windows 11 Pro Black

SKU CH-MSDD-DS3Q8

A compact business desktop with an 8-core Ryzen 7 250 processor, 16 GB DDR5 memory and a 512 GB SSD running Windows 11 Pro

  • ProcessorAMD Ryzen 7 200 Series
  • RAM capacity16 GB DDR5
  • SSD storage512 GB
  • GraphicsAMD Radeon Graphics
  • CPU modelAMD Ryzen 7 250
  • Wi-Fi standardWi-Fi 5

Sizename 16GB RAM · 512GB SSD

  • Powerful AI processing with AMD Ryzen 7 250 8-core CPU reaching 5.10 GHz turbo
  • Ultra-fast DDR5 4800 memory at 16 GB for responsive multitasking
  • Quick 512 GB PCIe M.2 SSD storage for rapid data access
  • Business-ready Windows 11 Pro with versatile USB 3.0, USB-C, HDMI and DP ports
  • Compact SFF chassis measuring 10.83 x 3.5 x 13.24 inches for space-saving deployment

Purpose-built SFF desktop

The Lenovo ThinkCentre neo 55s is a small form factor business desktop powered by an AMD Ryzen 7 250 processor with eight cores and a 5.10GHz turbo frequency. It ships with 16GB of DDR5 4800 memory and a 512GB PCIe M.2 SSD under Windows 11 Pro. The compact chassis uses air cooling and includes wired peripherals.

Suited for office multitasking, not GPU workloads

This system fits professional environments that need responsive CPU performance, fast DDR5 memory and dual-display support via HDMI and DisplayPort. It lacks discrete graphics, Bluetooth and a media card reader, so creative professionals needing GPU acceleration or wireless peripherals should consider other configurations.

DDR5 SODIMM with two open slots

The board provides two DDR5 SODIMM slots, both populated at 16GB, and supports up to 64GB total capacity. Buyers planning memory expansion must use DDR5 modules; earlier DDR generations are physically and electrically incompatible.

How it compares

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

Price $567.99
Pricier than about 55% of the 14,711 comparable items (median $494.99).
RAM capacity 16 GB DDR5
Typical for this category: the median of 13,125 items is 16 GB.
SSD storage 512 GB
Typical for this category: the median of 11,342 items is 512 GB.

Specifications

Product
Brand nameLenovo
Product lineThinkCentre
Model nameNeo 55s
Product typeBusiness Desktops & Workstations
Recommended useWork / Business
Product colorBlack
Processor
ProcessorAMD Ryzen 7 200 Series
CPU modelAMD Ryzen 7 250
Turbo clock speed5.1 GHz
Base clock speed3.3 GHz
L3 cache per CPU16 MB
Memory
RAM capacity16 GB DDR5
RAM type and speedDDR5 4800
Total memory slots2
Free memory slots2
Memory slots2
Max supported RAM128 GB
Storage
SSD storage512 GB
Graphics
GraphicsAMD Radeon Graphics
Audio & video
Audio chipIntegrated
Connectivity
Wi-Fi standardWi-Fi 5
Network speed10/100/1000 Mbit/s
Ethernet controllerIntegrated
Wi-Fi802.11ac Wireless LAN
Ports & slots
Front audio jacks2
Video connectors1 Display Port, 1 HDMI
Ethernet port1 port
Size & build
Overall dimensions10.83 in × 3.5 in × 13.24 in
Product weight9.55 lb (4.33 kg)
Compatibility
Windows 11 supportReady
In the box
Pointing deviceWired Mouse
Software
Operating systemWindows 11 Pro
More details
Cooling methodAir Cooling
Keyboard typeWired Keyboard

Other versions of this model

5 more in the same range

Questions about this item

What are the exact dimensions of the neo 55s SFF chassis so I can confirm it fits my desk space?

The chassis measures 10.83 inches wide, 3.5 inches high and 13.24 inches deep, weighing 9.55 lbs, so verify your shelf clearance against those figures before ordering.

How do I add more DDR5 memory and which slot should I populate first?

Power off, remove the side panel, insert the SODIMM module into the lower slot at a 30-degree angle until it clicks, then secure the retention clips; the system has two DDR5 slots and both are free.

When the 512 GB M.2 SSD fills up, what replacement drive format does the board accept?

The motherboard supports a single PCIe M.2 SSD up to 2 TB; swap the existing 512 GB module for a larger M.2 2280 drive and reinstall Windows 11 Pro to restore full capacity.

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