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Black Dell Pro Tower desktop chassis with front USB and headset ports

DELL

DELL Pro Tower QCT1255 AMD Ryzen 7 Pro 8700G 64GB DDR5 512GB SSD desktop PC

SKU CH-BYF2-RE18Y

Business tower desktop with an 8-core Ryzen processor up to 5.10 GHz, 64 GB DDR5 and a 512 GB SSD running Windows 11 Pro

  • Screen sizeNo Screen
  • ProcessorAMD Ryzen 7
  • Memory size64 GB DDR5
  • Storage drive512 GB SSD
  • GraphicsAMD Radeon Graphics
  • CPUAMD Ryzen 7 Pro 8700G 8-Core Processor at 4.2 GHz up to 5.1
  • 8-core Ryzen 7 Pro 8700G reaches 5.10 GHz for demanding workloads
  • 64 GB DDR5 memory handles heavy multitasking without slowdowns
  • 512 GB SSD cuts boot and app load times
  • AMD Radeon graphics drives multiple displays via HDMI and DisplayPort
  • 180 W power supply runs the tower efficiently

Business Desktop for Professionals

The Dell Pro Tower QCT1255 is a business desktop powered by an AMD Ryzen 7 Pro 8700G 8-core processor running at 4.20GHz up to 5.10GHz. It comes with 64GB DDR5 memory and a 512GB SSD. Windows 11 Pro is pre-installed. The tower chassis includes AMD Radeon Graphics with multi-display support via HDMI and DisplayPort. A 180W power supply is fitted.

Suits Office Users Not Heavy GPU Work

This system suits professionals who need strong multi-core CPU performance and large memory capacity for multitasking, office applications, and multi-monitor setups. Buyers who require a discrete graphics card for 3D rendering, CAD, or gaming workloads should look elsewhere. The 180W power supply and integrated graphics limit expansion options for high-power add-in cards.

64GB DDR5 Memory Decides Fit

The single specification that decides fit is the 64GB DDR5 memory capacity. This amount supports heavy multitasking, large datasets, and virtual machines without paging. If your workflow needs more memory than 64GB, this desktop cannot meet that requirement. The DDR5 type also means only DDR5 modules are compatible for any future upgrades.

How it compares

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

Price $1,152.99
Pricier than about 81% of the 14,711 comparable items (median $494.99).
Memory size 64 GB DDR5
Higher than about 91% of the 5,840 comparable items (median 16 GB).
RAM capacity 64 GB DDR5
Higher than about 90% of the 13,125 comparable items (median 16 GB).

Specifications

Product
Brand nameDELL
Product lineDell Pro
Model nameQCT1255
Product typeBusiness Desktops & Workstations
Recommended useBusiness
Processor
ProcessorAMD Ryzen 7
CPUAMD Ryzen 7 Pro 8700G 8-Core Processor at 4.2 GHz up to 5.1 GHz
Processor cacheL3
L3 cache per CPU16 MB
Memory
Memory size64 GB DDR5
RAM capacity64 GB DDR5
RAM type and speedDDR5
Memory configuration64 GB DDR5
Storage
Storage drive512 GB SSD
SSD storage512 GB
Hard driveNo
Storage configuration512 GB SSD
Disc driveNo
Second disc driveNo
Optical driveNo
Display
Screen sizeNo Screen
Display capabilitiesSupports Multiple Displays
Graphics
GraphicsAMD Radeon Graphics
GPUAMD Radeon Graphics
GPU modelAMD Radeon Graphics
GPU interfaceIntegrated
Connectivity
Network speed10/100/1000 Mbit/s
Wired networkGigabit Ethernet
Wi-FiNo
Bluetooth supportNo
Ports & slots
Front USB ports2 x USB 2.0,1 x USB 3.2, 1 x USB Type-C 3.2
Front audio jacks1 x Headphone Jack
Memory card readerNo
Video connectors1 x DisplayPort, 1 x HDMI
Rear USB ports2 x USB 3.2, 2 x USB 2.0
Ethernet port1 port
Power
Power supply180 W
Size & build
Form factorTower
Overall dimensions18 × 16 × 10
In the box
Included monitorNot included
Pointing deviceDell Mouse
In the boxDesktop Tower, Power cord, Mouse, Keyboard
Software
Operating systemWindows 11 Pro
More details
Keyboard typeDell Keyboard

Questions about this item

How do I install additional DDR5 memory in the QCT1255 tower, and what step is often missed?

Power off, unplug, remove the side panel, align the notch on each DDR5 module with the slot key, press firmly until the retention clips click, then replace the panel before booting; the step often missed is fully seating both clips so the module does not sit slightly tilted.

Which component in the QCT1255 will most likely need replacement first, and what should I watch for?

The 180W power supply is the part most likely to need replacement; watch for unexpected shutdowns under load or a faint buzzing noise that signals capacitor aging.

What thermal or power limit appears first during sustained heavy workloads on the Ryzen 7 Pro 8700G in this chassis?

The 180W power supply ceiling is reached before the processor hits its thermal ceiling, so prolonged all-core work at 5.10GHz will throttle due to power delivery rather than temperature.

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