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Gray Lenovo ThinkBook 13s G4 ARB 13.3 inch laptop with aluminum finish

Lenovo

Lenovo ThinkBook 13s G4 ARB 21AS003FUS laptop AMD Ryzen 5 6600U 2.90 GHz 8 GB 256 GB SSD 13.3" 1920 x 1200

SKU CH-M39D-SWZZR MPN 21AS003FUS

A lightweight 13.3-inch business laptop with a 1920 x 1200 display, AMD Ryzen 5 6600U processor, 8 GB LPDDR5 memory and a 256 GB SSD

  • Screen sizeNo
  • ProcessorAMD Ryzen 5
  • Memory size8 GB
  • SSD storage256 GB
  • Display resolution1920 × 1200
  • Graphics typeIntegrated Card
  • Sharp 13.3" WUXGA display shows detail at 1920 x 1200
  • Ryzen 5 6600U hexa-core CPU handles multitasking at 2.90 GHz
  • 256 GB M.2 PCIe SSD gives fast boot and load times
  • 8 GB LPDDR5 on-board memory keeps apps responsive
  • Fingerprint power button enables quick, secure login

Lightweight 13.3" business laptop

The ThinkBook 13s G4 ARB is a 13.3" notebook built for mobile professionals who value a compact aluminium chassis. It runs Windows 10 Pro on an AMD Ryzen 5 6600U hexa-core processor clocked at 2.90 GHz. The 8 GB of onboard LPDDR5 memory and 256 GB M.2 PCIe SSD are fixed, so the specification suits users who need a ready-to-work device without internal upgrades.

Integrated graphics and fixed memory

The integrated GPU handles everyday productivity and video playback but is not intended for heavy 3D rendering or modern gaming workloads. System memory is soldered to the board, preventing any capacity increase after purchase. The single HDMI output supports one external display, limiting multi-monitor setups to a single additional screen.

Aluminium build with fingerprint power button

The grey aluminium body keeps weight low while resisting daily flex. A fingerprint reader integrated into the power button enables fast, secure sign-in without a separate sensor. The 13.3" WUXGA non-touch panel delivers a 1920 x 1200 workspace in a footprint that fits small bags and airline trays.

How it compares

Measured against everything we stock in Standard Laptops & Notebooks, at today’s prices. Recalculated every night.

Price $641.99
Typical for this category: the median of 32,549 items is $599.99.
Memory size 8 GB
Lower than about 80% of the 30,127 comparable items (median 16 GB).
SSD storage 256 GB
Lower than about 70% of the 28,746 comparable items (median 512 GB).

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Specifications

Product
Brand nameLenovo
Model name21AS003FUS
Part number21AS003FUS
Product colorGray
Product typeWork / Business
Processor
ProcessorAMD Ryzen 5
CPU coresSingle-core Processor
Memory
Memory size8 GB
Storage
SSD storage256 GB
Hard driveNo
Display
Screen sizeNo
Display resolution1920 × 1200
Refresh frequencyVision Hz
Touch inputNon-Touch Screen
Graphics
Graphics typeIntegrated Card
Audio & video
Web cameraYes
Connectivity
Bluetooth supportYes
Ports & slots
HDMI ports1 x HDMI
Size & build
Product weightLbs
Shipping weight3.96 kg
Package size464 × 305 × 288 mm
Software
Operating systemWindows 10 Pro
More details
Keyboard backlightNo

Questions about this item

Should I choose the 8 GB on-board configuration or look for a model with more memory?

The 8 GB on-board LPDDR5 is soldered and cannot be upgraded, so if your workload regularly exceeds that capacity you will need a different model.

What does the 2.90 GHz base clock on the Ryzen 5 6600U mean for everyday performance?

It is the guaranteed minimum frequency across all six cores under sustained load; the processor will boost higher when thermal headroom allows.

Which USB standard does the single HDMI port rely on for video output?

Video over USB-C uses the laptop’s USB 3.2 Gen 2 connection, which caps external display bandwidth at 10 Gbps.

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