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Compact black small-form-factor desktop tower

Lenovo

Lenovo G4 SFF Desktop PC i5 16GB 512GB Radeon 550 Win 11 Pro

SKU CH-N5SG-86TZB

Compact SFF desktop with an i5 processor, 16 GB DDR4 RAM, 512 GB SSD and Radeon 550 graphics, running Windows 11 Pro

  • Form factorSFF
  • Operating systemWindows 11 Pro
  • Product colorBlack
  • Windows 11 Pro ready for modern workloads
  • Intel Core i5 8th Gen processor drives responsive multitasking
  • 16 GB DDR4 memory keeps apps running smoothly
  • 512 GB SSD storage accelerates boot and load times
  • AMD Radeon RX 550 graphics handles esports titles and media

Compact SFF desktop for office and light gaming

The Lenovo G4 small-form-factor desktop pairs an Intel Core i5 8th Gen processor with 16 GB of DDR4 memory and a 512 GB solid-state drive. An AMD Radeon 550 graphics card adds discrete video performance for casual play and multi-monitor productivity. Windows 11 Pro is pre-installed and the chassis ships in black with a wired RGB keyboard and mouse included.

Steady thermals in a tight chassis

The 600 W power supply feeds the CPU and Radeon 550 without oversized coolers, so sustained workloads rely on the SFF airflow path rather than brute-force fan speed. Under continuous load the system maintains stable clocks because the modest 550 GPU draws little power, leaving thermal headroom for the processor during long work sessions or extended gaming periods.

Simple drop-in deployment

The unit arrives fully assembled with the operating system activated, so first boot only requires power, display and network cables. USB 3.1 and 2.0 ports are accessible on the front and rear for peripherals. The proprietary SFF motherboard layout prevents standard ATX upgrades, so buyers who need additional internal drive bays or a full-height graphics card should choose a larger form factor.

How it compares

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

Price $332.99
Cheaper than about 66% of the 14,711 comparable items (median $494.99).

Specifications

Product
Model nameG4
Product colorBlack
Size & build
Form factorSFF
Software
Operating systemWindows 11 Pro

Questions about this item

How loud and hot does the SFF chassis get when the Radeon 550 runs all day?

The small-form-factor case keeps the Radeon 550 and i5 processor within normal thermal limits during extended use; fan noise stays at a low office level.

Which display cable do I need to connect a monitor I already own?

The graphics card provides standard video outputs compatible with common HDMI, DisplayPort or VGA cables.

Will my existing USB 2.0 keyboard and mouse work with the front ports?

Yes, the front USB 3.1 ports are backward compatible with USB 2.0 peripherals.

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