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A black vertical tower desktop with a front DVD-RW slot and Dell branding

DELL

DELL Pro Tower Plus QBT1250 Intel Core Ultra 5 235 32GB DDR5 256GB SSD DVD-RW Windows 11 Pro desktop PC

SKU CH-79BB-G91WZ

A business tower desktop with a 14-core Intel Core Ultra 5 235 processor, 32GB DDR5 memory, 256GB SSD storage, DVD-RW drive and Windows 11 Pro

  • TypeBusiness Desktops & Workstations
  • Form FactorTower
  • UsageBusiness
  • ProcessorIntel Core Ultra 5 235 14-Core Processor at 3.40GHz up to 5.
  • Processor Main Features64 bit 14-Core Processor
  • Cache Per Processor24MB Intel Smart Cache
  • 14-core Intel Core Ultra 5 235 reaches 5.00 GHz for fast multitasking
  • 32 GB DDR5 memory enables smooth data handling across heavy workloads
  • 256 GB SSD cuts boot and application load times
  • Intel HD Graphics drives multiple displays from DisplayPort outputs
  • Tower chassis supplies four USB 2.0, four USB 3.2 and two USB 3.2 Type-C ports

Dell Pro Tower Plus QBT1250 business desktop

This tower desktop is built for business professionals who need a reliable Windows 11 Pro system for daily productivity, multitasking and office applications. It ships with a 14-core Intel Core Ultra 5 235 processor, 32GB DDR5 memory and a 256GB SSD for fast boot and load times. A DVD-RW drive and Intel HD Graphics with multi-display support complete the configuration. It is not suited for buyers who require dedicated graphics performance or larger local storage capacity.

Thermals noise and 260W power supply

The 260W power supply feeds the 14-core CPU, DDR5 memory, SSD and integrated graphics within a chassis designed for advanced cooling. In typical office workloads the system runs quietly while maintaining stable temperatures for sustained productivity. Power draw scales with the processor reaching up to 5.00GHz boost clocks during heavier tasks. Builders who need headroom for high-wattage add-in cards should verify the 260W limit before expanding.

Intel Core Ultra 5 235 14-core processor

The single specification that defines this system is the Intel Core Ultra 5 235 with 14 cores, 24MB Smart Cache, a 3.40GHz base clock and 5.00GHz maximum turbo. This CPU delivers the multi-threaded throughput needed for business multitasking and demanding office workloads. Buyers whose workloads depend on discrete GPU acceleration or higher core counts will need a different platform.

Highlights

  • 14-core Intel Core Ultra 5 235 reaches 5.00 GHz for fast multitasking
  • 32 GB DDR5 memory enables smooth data handling across heavy workloads
  • 256 GB SSD cuts boot and application load times
  • Intel HD Graphics drives multiple displays from DisplayPort outputs
  • Tower chassis supplies four USB 2.0, four USB 3.2 and two USB 3.2 Type-C ports

Specifications

BrandDELL
SeriesDell Pro
ModelQBT1250
TypeBusiness Desktops & Workstations
Form FactorTower
UsageBusiness
ProcessorIntel Core Ultra 5 235 14-Core Processor at 3.40GHz up to 5.00GHz
Processor Main Features64 bit 14-Core Processor
Cache Per Processor24MB Intel Smart Cache
Memory32GB DDR5
Storage256GB SSD
Optical DriveDVD-RW
GraphicsIntel HD Graphics
EthernetGigabit Ethernet
Power Supply260W
MonitorMonitor not included
Operating SystemWindows 11 Pro
CPU TypeIntel Core Ultra 5 (Series 2)
L3 Cache Per CPU24MB
CPU Main Features64 bit 14-Core Processor
GPU/VGA TypeIntel HD Graphics
Graphics CardIntel HD Graphics
Graphics InterfaceIntegrated
Memory Capacity32GB DDR5
Memory SpeedDDR5
Memory Spec32GB DDR5
SSD256 GB
HDDNo
Storage Spec256GB SSD
Optical Drive TypeDVD-RW
Optical Drive Spec8x DVD+/-RW 9.5mm Drive
Screen SizeNo Screen
Display FeatureSupports Multiple Displays
LAN Speed10/100/1000Mbps
WLANNo
Front USB2 x USB 2.0,1 x USB 3.2, 1 x USB Type-C 3.2
Front Audio Ports1 x Headphone Jack
Card ReaderNo
Video Ports3 x DisplayPort
Rear USB3 x USB 3.2, 2 x USB 2.0, 1 x USB Type-C
RJ451 port
Keyboard TypeDell Keyboard
Mouse TypeDell Mouse
Dimensions (H x W x D)18 x 16 x 10
Weight15
Package TypeDell Brown Box
Package ContentsTower Desktop, Power cord, Keyboard,Mouse

Questions about this item

How do I install extra DDR5 memory in the Dell Pro Tower Plus QBT1250, and what step is often missed?

Power off and unplug the tower, open the side panel, insert each DDR5 module firmly into an empty DIMM slot until the retention clips click, then close the case before powering on.

Which component in the Dell Pro Tower Plus QBT1250 is most likely to need replacement after several years of daily use?

The 260 W power supply unit is the part most likely to require replacement after extended daily operation.

What thermal or power limit appears first when the Intel Core Ultra 5 235 runs at 5.00 GHz under sustained load?

The 260 W power supply caps total system draw, so sustained 5.00 GHz operation will hit the PSU limit before the CPU thermal throttle engages.

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