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Grey tower desktop PC with front USB ports and power button

DELL

DELL Pro Tower Plus QBT 1250 Intel Core Ultra 7 265 64GB DDR5 1TB SSD desktop PC

SKU CH-Z8ZJ-01ZZJ

Business tower desktop with a 20-core Intel Core Ultra 7 265 processor, 64GB DDR5 memory and a 1TB SSD for fast multi-tasking

  • Screen sizeNo Screen
  • ProcessorIntel Core Ultra 7 (Series 2)
  • Memory size64 GB DDR5
  • Storage drive1 TB SSD
  • GraphicsIntel HD Graphics
  • CPUIntel Core Ultra 7 265 20-Core Processor at 2.4 GHz up to 5.
  • 20-core Intel Core Ultra 7 265 up to 5.30 GHz powers heavy multitasking
  • 64 GB DDR5 memory accelerates data-intensive workflows
  • 1 TB SSD delivers fast boot and application load
  • Intel HD Graphics drives multiple displays for expanded workspace
  • 260 W supply with versatile USB 2.0, 3.2 and Type-C connectivity

Business tower for multitasking professionals

The Dell Pro Tower Plus QBT 1250 is built for office environments that demand responsive multitasking and reliable daily operation. An Intel Core Ultra 7 265 processor with 20 cores runs at 2.40GHz base and up to 5.30GHz boost, supported by 30MB Intel Smart Cache. 64GB of DDR5 memory and a 1TB SSD provide fast boot times and smooth application switching. Windows 11 Pro is pre-installed for business-grade security and management.

260W power supply with advanced cooling

The system draws power from a 260W supply while Dell's advanced cooling system manages thermals inside the Pro chassis. Intel HD Graphics handles multi-display output without a discrete card, keeping heat and noise low for typical productivity workloads. The tower form factor allows airflow to move through the chassis efficiently during extended business hours.

Versatile connectivity in a durable chassis

The Pro chassis delivers long-lasting build quality with a practical port layout. Front and rear panels combine for 4 x USB 2.0, 4 x USB 3.2 and 2 x USB 3.2 Type-C ports alongside 1 x RJ-45 Gigabit Ethernet and a headset jack. Multi-display support via DisplayPort connections suits trading desks or multi-monitor offices. No optical drive is included, so external media requires a separate USB device.

How it compares

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

Price $1,586.99
Pricier than about 90% 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 nameQBT1250
Product typeBusiness Desktops & Workstations
Recommended useBusiness
Processor
ProcessorIntel Core Ultra 7 (Series 2)
CPUIntel Core Ultra 7 265 20-Core Processor at 2.4 GHz up to 5.3 GHz
Processor cache30 MB Intel Smart Cache
L3 cache per CPU30 MB
Memory
Memory size64 GB DDR5
RAM capacity64 GB DDR5
RAM type and speedDDR5
Memory configuration64 GB DDR5
Storage
Storage drive1 TB SSD
SSD storage1 TB
Hard driveNo
Storage configuration1 TB SSD
Disc driveNo
Second disc driveNo
Optical driveNo
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-FiNo
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 factorTower
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

How do I install additional DDR5 memory in the Dell Pro Tower Plus QBT 1250, and which step do people often miss?

Open the chassis, align the DDR5 module notch with the slot key, press firmly until the retention clips click, then verify the new total in BIOS — many forget to reseat the clips fully.

What maintenance or replacement will the 260 W power supply need later?

The 260 W PSU has no user-serviceable parts; plan to replace the entire unit if voltages drift or fan noise increases after several years of continuous operation.

Which limit appears first during sustained heavy workloads on the Core Ultra 7 265?

The 260 W power supply caps total system draw, so CPU turbo at 5.30 GHz will throttle before the 30 MB cache or 64 GB DDR5 become bottlenecks.

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