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Small black Dell Pro Micro 1255 desktop tower with keyboard and mouse

DELL

DELL Pro Micro 1255 AMD Ryzen 7 Pro 8700GE 16GB DDR5 1TB SSD desktop PC

SKU CH-9QCW-PB04S

Micro-form-factor desktop with an 8-core Ryzen 7 Pro 8700GE, 16 GB DDR5, 1 TB SSD and Windows 11 Pro

  • TypeBusiness Desktops & Workstations
  • Form FactorMicro Form Factor
  • UsageBusiness
  • ProcessorAMD Ryzen 7 Pro 8700GE 8-Core Processor 3.60GHz Up to 5.10GH
  • Processor Main Features64 bit 8-Core Processor
  • Cache Per ProcessorL3
  • AMD Ryzen 7 Pro 8700GE 8-core processor up to 5.10GHz for fast multitasking
  • 16GB DDR5 memory delivers smooth performance and quick data handling
  • 1TB SSD storage ensures rapid boot times and swift file access
  • Multi-display support via DisplayPort and HDMI expands workspace flexibility
  • Windows 11 Pro provides business-grade security and management tools

Micro business desktop

The Dell Pro Micro 1255 is a compact desktop built for office professionals who need responsive performance in a small footprint. It ships with Windows 11 Pro, a Dell keyboard and mouse, and no monitor so you can choose your own display setup.

90 W power supply and integrated Radeon graphics

The 90 W unit powers the 8-core Ryzen 7 Pro 8700GE and integrated Radeon graphics without a discrete card, keeping heat and fan noise low during typical business workloads such as email, browser tabs and video calls.

Sustained clocks up to 5.10 GHz under load

When workloads extend beyond a short burst, the processor can maintain elevated frequencies up to 5.10 GHz across its 8 cores and 16 MB L3 cache, while DDR5 memory and the 1 TB SSD keep data flowing for prolonged compiles, large spreadsheets or multi-monitor trading screens.

Highlights

  • AMD Ryzen 7 Pro 8700GE 8-core processor up to 5.10GHz for fast multitasking
  • 16GB DDR5 memory delivers smooth performance and quick data handling
  • 1TB SSD storage ensures rapid boot times and swift file access
  • Multi-display support via DisplayPort and HDMI expands workspace flexibility
  • Windows 11 Pro provides business-grade security and management tools

Specifications

BrandDELL
SeriesPro QCM
Model1255
TypeBusiness Desktops & Workstations
Form FactorMicro Form Factor
UsageBusiness
ProcessorAMD Ryzen 7 Pro 8700GE 8-Core Processor 3.60GHz Up to 5.10GHz
Processor Main Features64 bit 8-Core Processor
Cache Per ProcessorL3
Memory16GB DDR5
Storage1TB SSD
GraphicsAMD Radeon Graphics
EthernetGigabit Ethernet
Power Supply90W
MonitorMonitor not included
KeyboardDELL Keyboard
MouseDELL Mouse
Operating SystemWindows 11 Pro
CPU TypeAMD Ryzen 7
L3 Cache Per CPU16MB
CPU Main Features64 bit 8-Core Processor
GPU/VGA TypeAMD Radeon Graphics
Graphics CardAMD Radeon Graphics
Graphics InterfaceIntegrated
Memory Capacity16GB DDR5
Memory SpeedDDR5
Memory Spec16GB DDR5
SSD1 TB
HDDNo
Storage Spec1TB SSD
Optical Drive TypeNo
Screen SizeNo Screen
LAN ChipsetIntegrated
LAN Speed10/100/1000Mbps
WLANWifi-7
Front USB1 x USB 3.2, 1 x USB Type-C 3.2
Front Audio Ports1
Card ReaderNo
Video Ports1 x DisplayPort, 1 x HDMI
Rear USB2 x USB 3.2, 2 x USB 2.0
RJ451 port
Keyboard TypeDELL Keyboard
Mouse TypeDELL Mouse
Dimensions (H x W x D)7.01 x 1.42 x 7.17
Weight3
Package TypeDELL Brown Box
Package ContentsMicro Form PC, Mouse, Keyboard, Power cord

Questions about this item

How do I install the Dell keyboard and mouse that ship with the Pro Micro 1255, and what step do people miss?

Plug the keyboard and mouse into the USB 2.0 or USB 3.2 Type-A ports, then let Windows 11 Pro install drivers automatically. The step people miss is checking that the USB 2.0 ports are used for the mouse if the keyboard has a built-in hub that needs USB 3.2 power.

What component will need replacement first in the Pro Micro 1255?

The 90W external power supply is the only field-replaceable part listed; the AMD Ryzen 7 Pro 8700GE, 16GB DDR5 and 1TB SSD are soldered or integrated and not user-serviceable.

What thermal limit appears first during sustained loads on the Ryzen 7 Pro 8700GE?

The 90W power adapter caps total system draw, so the processor throttles from its 5.10GHz boost back toward 3.60GHz base once package power approaches that envelope.

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