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Small black desktop tower standing upright, compact rectangular shape with smooth matte finish

Lenovo

Lenovo ThinkCentre neo 55s SFF Desktop PC, Ryzen 7 250, 64GB DDR5, 1TB, Wi-Fi 5, Windows 11 Pro, Black

SKU CH-4MWH-EZYRC

Compact business desktop with 8-core Ryzen 7 250 processor, 64GB DDR5 memory and 1TB PCIe M.2 storage for demanding multitasking

  • TypeBusiness Desktops & Workstations
  • UsageWork / Business
  • ColorBlack
  • Cooling SystemAir Cooling
  • Operating SystemWindows 11 Pro
  • Windows 11Ready

Sizename 64GB RAM · 1TB SSD

  • 8-core Ryzen 7 250 CPU reaches 5.10 GHz turbo for demanding workloads
  • 64 GB DDR5 4800 memory keeps heavy multitasking responsive
  • 1 TB PCIe M.2 SSD provides fast boot and file access
  • Wi-Fi 5 plus HDMI and DisplayPort support multi-monitor setups
  • Compact 10.83 x 3.5 x 13.24 in chassis fits tight desk spaces

ThinkCentre neo 55s SFF Business Desktop

The Lenovo ThinkCentre neo 55s is a small-form-factor desktop built for office multitasking and creative workflows. It ships with an AMD Ryzen 7 250 eight-core processor, 64GB of DDR5 4800 memory and a 1TB PCIe M.2 SSD running Windows 11 Pro. The compact black chassis uses air cooling and includes a wired keyboard and mouse.

Installation and Common Issues

The unit arrives fully assembled so setup only requires connecting power, display and peripherals. Both memory slots are already populated with the 64GB DDR5 configuration, leaving no free slots for further RAM upgrades. The M.2 drive bay is occupied by the installed 1TB SSD, so additional internal storage would need an external solution. Wi-Fi 5 and Gigabit Ethernet are integrated; note that Bluetooth is not included.

DDR5 Memory and Wi-Fi 5 Limits

DDR5 4800 SODIMM modules operate at the rated speed with the installed processor; mixing different speeds or generations is not supported by the platform. Wi-Fi 5 provides wireless connectivity up to its standard throughput, which may be lower than newer Wi-Fi revisions in congested environments. The small form factor restricts internal expansion to the existing M.2 slot and memory sockets only.

Highlights

  • 8-core Ryzen 7 250 CPU reaches 5.10 GHz turbo for demanding workloads
  • 64 GB DDR5 4800 memory keeps heavy multitasking responsive
  • 1 TB PCIe M.2 SSD provides fast boot and file access
  • Wi-Fi 5 plus HDMI and DisplayPort support multi-monitor setups
  • Compact 10.83 x 3.5 x 13.24 in chassis fits tight desk spaces

Specifications

BrandLenovo
SeriesThinkCentre
Modelneo 55s
TypeBusiness Desktops & Workstations
UsageWork / Business
ColorBlack
Cooling SystemAir Cooling
Operating SystemWindows 11 Pro
Windows 11Ready
CPU TypeAMD Ryzen 7 200 Series
CPU NameAMD Ryzen 7 250
CPU Base Frequency3.30GHz
Turbo Frequency5.10GHz
L3 Cache Per CPU16 MB
CPU Main Features64 bit 8-Core Processor
GPU/VGA TypeAMD Radeon Graphics
Memory Capacity64GB DDR5
Memory SpeedDDR5 4800
Memory Slot (Total)2
Memory Slot (Available)2
Memory Slots (Available/Total)2
Maximum Memory Supported128 GB
SSD1TB
Audio ChipsetIntegrated
LAN ChipsetIntegrated
LAN Speed10/100/1000Mbps
WLAN802.11ac Wireless LAN
WiFi GenerationWi-Fi 5
Front Audio Ports2
Video Ports1 Display Port, 1 HDMI
RJ451 port
Keyboard TypeWired Keyboard
Mouse TypeWired Mouse
Dimensions (H x W x D)10.83" x 3.5" x 13.24"
Weight9.55 lbs
Package TypeRetail

Other versions of this model

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Questions about this item

How can I confirm the AMD Ryzen 7 250 is running at its 4.90GHz turbo speed after setup?

Open Task Manager’s Performance tab and watch the CPU clock while running a heavy workload; it should climb toward the 4.90GHz turbo figure listed for this processor.

What comes in the box and what must I purchase separately?

The desktop includes a US wired keyboard, wired mouse and Windows 11 Pro; no monitor, card reader or optical drive are supplied, so add those if required.

Which memory capacity should I choose for this configuration?

This unit already ships with the maximum 64GB DDR5 SODIMM installed across both slots, so no further capacity choice is needed.

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