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Small black desktop tower standing upright on a desk

DELL

DELL Pro Slim Plus QBS 1250 Intel Core Ultra 5 235 16GB DDR5 512GB SSD desktop PC

SKU CH-TSZZ-JSBHW

Small-form-factor business desktop with a 14-core Intel Core Ultra 5 235 processor, 16 GB DDR5 memory, 512 GB SSD and Windows 11 Pro

  • Screen sizeNo Screen
  • ProcessorIntel Core Ultra 5 (Series 2)
  • Memory size16 GB DDR5
  • Storage drive512 GB SSD
  • GraphicsIntel HD Graphics
  • CPUIntel Core Ultra 5 235 14-Core Processor at 3.4 GHz Up to 5
  • 14-core Intel Core Ultra 5 235 handles heavy multitasking
  • 16 GB DDR5 memory keeps data flowing fast
  • 512 GB SSD cuts boot and load times
  • 24 MB Intel Smart Cache speeds repeated tasks
  • Four USB 3.2 and two USB-C ports connect peripherals fast

Small-form-factor business desktop

The Dell Pro Slim Plus QBS 1250 is a new small-form-factor desktop built around an Intel Core Ultra 5 235 14-core processor with a base clock of 3.40GHz and a maximum turbo of 5.00GHz. It ships with 16GB of DDR5 memory, a 512GB solid-state drive, Intel HD Graphics and Windows 11 Pro for immediate deployment in office environments.

Ideal for standard office workloads

This system suits organisations that need a compact, quiet PC for productivity applications, web-based tools and multi-monitor setups using the integrated graphics outputs. Buyers who require a discrete graphics card for 3D rendering, video editing or GPU-accelerated compute should consider a workstation-class tower instead.

260-watt power supply defines upgrade limits

The internal 260W power supply delivers enough headroom for the factory processor, memory and SSD but cannot support high-wattage add-in cards or large storage arrays, so expansion plans must stay within this power envelope.

How it compares

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

Price $861.99
Pricier than about 72% of the 14,711 comparable items (median $494.99).
Memory size 16 GB DDR5
Typical for this category: the median of 5,840 items is 16 GB.
RAM capacity 16 GB DDR5
Typical for this category: the median of 13,125 items is 16 GB.

Specifications

Product
Brand nameDELL
Product lineDell Pro
Model nameQBS1250
Product typeBusiness Desktops & Workstations
Recommended useBusiness
Processor
ProcessorIntel Core Ultra 5 (Series 2)
CPUIntel Core Ultra 5 235 14-Core Processor at 3.4 GHz Up to 5 GHz
Processor cache24 MB Intel Smart Cache
L3 cache per CPU24 MB Intel Smart Cache
Memory
Memory size16 GB DDR5
RAM capacity16 GB DDR5
RAM type and speedDDR5
Memory configuration16 GB DDR5
Storage
Storage drive512 GB SSD
SSD storage512 GB
Hard driveNo
Storage configuration512 GB SSD
Disc driveNo
Second disc driveNo
Optical driveDVD-RW
Display
Screen sizeNo Screen
Display capabilitiesSupports Multiple Displays
Graphics
GraphicsIntel HD Graphics
GPUIntel HD Graphics
GPU modelIntel HD Graphics
GPU interfaceIntegrated
Connectivity
Network speed10/100/1000 Mbit/s
Wired networkGigabit Ethernet
Wi-FiWifi-7
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 connectors3 x DisplayPort
Rear USB ports3 x USB 3.2, 2 x USB 2.0, 1 x USB Type-C
Ethernet port1 port
Power
Power supply260 W
Size & build
Form factorSmall Form Factor
Overall dimensions18 × 16 × 10
In the box
Included monitorNot included
Pointing deviceDell Mouse
In the boxSmall Form Factor PC, Power cord
Software
Operating systemWindows 11 Pro
More details
Keyboard typeDell Keyboard

Questions about this item

Will the 260 W power supply handle a future graphics card upgrade?

The 260 W unit is sized for the integrated Intel HD Graphics and the 14-core Core Ultra 5 235; adding a discrete GPU would likely exceed its capacity, so plan a PSU swap if you need more graphics power.

What thermal limit appears first when the 14-core processor runs at 5.00 GHz for long periods?

The small-form-factor chassis and 260 W power budget mean the CPU will hit its thermal ceiling before the memory or storage become bottlenecks, causing clock speeds to throttle under sustained all-core loads.

How loud is the cooling fan when the system sits at full load all day?

The compact Pro Slim case uses a single high-RPM fan that becomes clearly audible once the 14-core processor holds 5.00 GHz for extended sessions, so expect noticeable airflow noise in a quiet office.

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