Dell Pro Tower QCT1255 Desktop (R7-8700G.16GB.512GB)

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Base: Dell Pro Tower QCT1255
Processor: AMD Ryzen(TM) 7 8700G (16 TOPS NPU, 8 cores, up to 5.1GHz)
Memory: 16 GB: 2 x 8 GB, DDR5, up to 4800 MT/s, non-ECC
Monitor: No
Operating System: Windows 11 Pro
Chassis Options: Dell Pro Tower with 180W Bronze PSU (L6 WW)
Ports: DP (1) + HDMI (1)
Video Card: Integrated Graphics
Systems Management: No vPro(R) support
Keyboard: Dell Wired Keyboard - KB216 - US English - Black
Adapter: No Additional Cable
Mouse: Dell USB Optical Mouse-MS116 (EPEAT) - Black
Primary Storage: 512GB SSD
Optical Drive: No Optical Drive
Wireless: Internal Antenna || MediaTek Wi-Fi 6 MT7920, 2x2, 802.11ax, MU-MIMO, Bluetooth(R) wireless card
Dell Services: Extended Service: 3Years ProSupport and Next Business Day Onsite Service

This product is no longer available.

Processor(s): AMD Ryzen(TM) 7 8700G (16 TOPS NPU, 8 cores, up to 5.1GHz)
Memory: 16 GB: 2 x 8 GB
Memory Type: DDR5, up to 4800 MT/s, non-ECC
Hard Disk: 512GB SSD
Operating System: Windows 11 Pro
Wireless: Internal Antenna || MediaTek Wi-Fi 6 MT7920, 2x2, 802.11ax, MU-MIMO, Bluetooth(R) wireless card
Warranty: 3Years ProSupport and Next Business Day Onsite Service
Graphics: Intel Integrated Graphics

Take computing to the next level


With powerful processors, ample storage and advanced graphics capabilities, Dell Pro Tower is engineered to deliver outstanding performance and efficiency while offering versatile expandability. Power your workday with Intel® Core™ processors (14th Gen), or upgrade to Intel® Core™ Ultra processors (Series 2), designed to accelerate AI tasks. 

Next-level AI


The Dell Pro Tower delivers power-efficient performance for demanding workloads with AI PC options featuring AMD Ryzen™ 7 8700G processor and three-tier multi-processing architecture combining CPU, GPU and dedicated NPU. This setup ensures AI-driven apps run faster and smoother across any project.

Work smarter

Boost productivity with an integrated AI engine designed for smarter, faster workflows. By offloading AI tasks to a dedicated Neural Processing Unit (NPU), these processors relieve your CPU and GPU, enhancing both performance and energy efficiency. Enjoy AI-powered collaboration and intelligent task management for optimised business operations. AMD Ryzen™ AI delivers seamless, sustained AI performance to keep you ahead and AMD PRO Technologies offer world-class security and manageability features, for robust protection and efficient deployment.

Bring AI to your PC

Dell delivers our most comprehensive AI toolkit leveraging NPU technology[1]. Dell Pro AI Studio brings AI directly to your device, delivering cloud-like seamlessness without the hefty price tag. Set up and deploy AI with ease in any workplace.

Purposeful design


A stylish, elevated design combining sustainability, functionality and powerful performance. Built for durability, all Dell Pro desktops undergo rigorous military-grade testing to deliver reliable performance you can count on.

Advanced thermals

Re-engineered with an improved thermal design that optimised airflow for quieter operation.

Organised and customisable accessories

Keep your workplace in peak condition with the optional Dell Pro Tower Dust Filter to protect components even in challenging environments. Reduce cable clutter with the optional Dell Pro Tower Cable Cover.

Ultimate configurability

Get more flexibility and future-proof with a variety of storage and expansion options.


Future-proof for upgrades

Easily expand functionalities with a no-tools chassis for quick access to internal components and up to 3 PCIe slots.


Connect more

Options include DP and HDMI connectivity supporting up to 5K resolution for enhanced video experiences, USB-C/-A and Wi-Fi 7.


Unleash power and precision


Modern device management



Single BIOS strategy:

Streamline PC deployment and simplify fleet management with one unified BIOS across Dell Pro Micro, Slim and Tower PCs.

Built to perform:

Dell Pro desktops are built for reliability and durability, with less than 1% requiring service in their first year.

Dell Trusted Update Experience:

We package the latest BIOS, drivers, and firmware versions for our customers with Dell-exclusive capabilities to simplify PC management.

Advancing sustainability

This desktop is powered for sustainability with a design made from recycled materials while meeting key environmental standards.


Innovative materials

The Dell Pro Tower is crafted with 44% post-consumer recycled plastic and closed loop plastic. Dell continues to lead the industry in the use of 50% recycled steel in the chassis of this desktop. Plus, it ships in packaging made with up to 100% recycled content or renewable content.


Reduce e-waste when modernising your tech

We can help you responsibly and securely retire your legacy IT equipment, regardless of brand, while addressing your sustainability goals.


Raising environmental standards

This product is certified ENERGY STAR® and registered EPEAT Gold with Climate+. It also meets the latest TCO Generation 10 certification, meaning it meets best-in-class standards for energy use and repair.


Accelerate business success with Copilot and Windows 11 Pro

AI-powered multi-tasking mastery for a new way of working with Windows 11 Pro. With features like Copilot in Windows, get better answers, grow your skills, and effortlessly optimise workflows. Windows 11 Pro on Dell PCs come with the latest advances in security and AI delivered conveniently to your desktop. Benefit from AI-enhanced efficiency, performance, and security today, and innovate to take on new challenges tomorrow.

Ports and slots

Front side


1. Power Button with diagnostic LED

2. Global Headset Jack

3. USB 2.0 (480 Mbps) Type-A Port

4. USB 2.0 (480 Mbps) Type-A Port

5. USB 3.2 Gen 1 (5 Gbps) Type-A Port

6. USB 3.2 Gen 1 (5 Gbps) Type-C Port

Rear side


7. DisplayPort 1.4a, up to 5120 x 3200 @60Hz with Intel® Core™ Ultra (Series 2) processors; up to 4096 x 2304 @60Hz with Intel® Core™ (14th Gen) processors

8. Serial Port (optional)

9. HDMI 2.1, up to 4096 x 2160 @60Hz

10. Optional port (Choose 1):

•HDMI 2.1, up to 5120 x 3200 @60Hz with Intel® Core™ Ultra (Series 2); up to 4096 x 2160 @60Hz with Intel® Core™ (14th Gen) 

•DisplayPort 2.1, up to 7680 x 4320 @60Hz with Intel® Core™ Ultra (Series 2); 1.4a, up to 5120 x 3200 @60Hz with Intel® Core™ 14th Gen 

•VGA, up to 1920 x 1200 @60Hz 

•USB 3.2 Gen 2 (10 Gbps) Type-C with DisplayPort Alt Mode port, up to 5120 x 3200 @60Hz 

•2 x USB 3.2 Gen 2 (10 Gbps) Type-A Ports

11. USB 3.2 Gen 1 (5 Gbps) Type-A Port

12. USB 3.2 Gen 1 (5 Gbps) Type-A Port

13. USB 2.0 (480 Mbps) Type-A Port with SmartPower On

14. USB 2.0 (480 Mbps) Type-A Port with SmartPower On

15. Padlock Ring

16. RJ-45 Ethernet Port (1 Gbps)

17. Three Expansion Slots: 

One Full-height PCIe x1 slot

One Full-height PCIe x1 slot

One Full-height PCIe x16 slot

18. Kensington Security Cable Slot

19. Power-cord Connector Port

20. Power-supply Diagnostic Light

Dimensions and weight

1. Width: 154.00 mm (6.06 in.)

2. Depth: 293.00 mm (11.54 in.)

3. Height: 324.30 mm (12.77 in.)


Starting weight: 5.44 kg (12.00 lb)