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Small black desktop tower, compact SFF shape, matte finish

Lenovo

Lenovo ThinkCentre Neo 55s SFF AMD Ryzen 5 220 64GB DDR5 2TB SSD Windows 11 Pro

SKU CH-5997-HZMB4

A small-form-factor desktop with a six-core Ryzen 5 220 up to 4.9 GHz, 64 GB DDR5, 2 TB SSD and Windows 11 Pro

  • TypeBusiness Desktops & Workstations
  • Form FactorSlim/Small Form Factor
  • UsageWork / Business
  • ColorBlack
  • Cooling SystemAir Cooling
  • Operating SystemWindows 11 Pro

Configuration 64GB RAM · 2TB SSD

  • 6-core Ryzen 5 220 reaches 4.90 GHz for responsive multitasking
  • 64 GB DDR5 4800 memory handles heavy workloads without slowdown
  • 2 TB SSD provides ample space for projects and fast boot
  • Small form factor fits tight desks while keeping 200 W cooling
  • Windows 11 Pro adds business-grade security and management tools

Purpose-built SFF workstation

The Lenovo ThinkCentre Neo 55s is a small form factor desktop built for professional workloads. It pairs a six-core AMD Ryzen 5 220 processor with 64GB of DDR5 memory and a 2TB solid-state drive. Windows 11 Pro is pre-installed for business-grade security and management.

Included peripherals and connectivity

A wired keyboard and mouse are supplied in the box along with a 64GB USB flash drive. Video outputs comprise one HDMI 2.1 port and one DisplayPort connector, supporting dual 4K displays at 60Hz. The front panel adds a USB-C port with 10Gbps data, power delivery and DisplayPort alt mode, plus four USB-A ports at 5Gbps.

Verify your environment before purchase

The chassis measures 10.83 by 3.5 by 13.24 inches and weighs 9.55 pounds, so confirm desk or mount clearance. The internal power supply is rated at 200W, which limits future graphics card upgrades. Memory uses DDR5 SODIMM modules; the board is populated with two 32GB sticks, leaving no free slots for expansion without replacement.

Highlights

  • 6-core Ryzen 5 220 reaches 4.90 GHz for responsive multitasking
  • 64 GB DDR5 4800 memory handles heavy workloads without slowdown
  • 2 TB SSD provides ample space for projects and fast boot
  • Small form factor fits tight desks while keeping 200 W cooling
  • Windows 11 Pro adds business-grade security and management tools

Specifications

BrandLenovo
SeriesThinkCentre
ModelNeo
TypeBusiness Desktops & Workstations
Form FactorSlim/Small Form Factor
UsageWork / Business
ColorBlack
Cooling SystemAir Cooling
Operating SystemWindows 11 Pro
Windows 11Ready
CPU TypeAMD Ryzen 5
CPU NameAMD Ryzen 5 220
CPU Base Frequency3.20GHz
Turbo Frequency4.90GHz
L3 Cache Per CPU16 MB
CPU Main Features64 bit 6-Core Processor
GPU/VGA TypeAMD Radeon Graphics
Memory Capacity64GB DDR5
Memory SpeedDDR5 4800
Memory Spec32 GB x 2
Memory Slot (Total)2
Memory Slot (Available)2
Memory Slots (Available/Total)2 total
Maximum Memory Supported128 GB
SSD2TB PCIe
Audio ChipsetIntegrated
LAN ChipsetIntegrated
LAN Speed10/100/1000Mbps
WLAN802.11ax Wireless LAN
WiFi GenerationWi-Fi 6
BluetoothYes
Front USB3
Front Audio Ports2
Video Ports1 Display Port, 1 HDMI
Rear USB4
RJ451 port
Rear Audio Ports1 port
Keyboard TypeWired Keyboard
Mouse TypeWired Mouse
Dimensions (H x W x D)13.24" x 10.87" x 3.5"
Weight9.55 LBs
Package TypeRetail

Other versions of this model

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Same family, different memory, cooler or clock — compare before you commit.

Questions about this item

Will the 64 GB DDR5 memory need to be replaced or expanded later?

The system ships with 64 GB DDR5 4800 configured as two 32 GB modules, filling both SODIMM slots, so any future increase would require replacing the existing sticks rather than adding to them.

What limits sustained performance first during long workloads?

The 200 W power supply caps total system draw, so under continuous heavy load the CPU will hit its power ceiling before thermal throttling becomes the primary constraint.

How much fan noise and heat should I expect when the PC runs all day?

Air cooling in the 10.83 x 3.5 x 13.24 inch SFF chassis keeps the Ryzen 5 220 and Radeon graphics at safe temperatures with low acoustic output during typical business use.

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