Dell Precision 3551Laptop 15.6" i7-10875H 16GB 128GB SSD Quadro P620 Win 11 Pro

Dell Precision 3551 15.6" Mobile Workstation Laptop

A 15.6-inch Dell Precision mobile workstation built around a 10th Gen Intel Core i7-10875H processor with Nvidia Quadro P620 discrete graphics, 16GB of RAM, a 128GB SSD and Windows 11 Pro. Every unit is certified refurbished, fully tested in Melbourne and backed by a 12-month warranty from Reboot IT, with free standard AU shipping.

Key Benefits

• 8-core 10th Gen performance. The Intel Core i7-10875H brings 8 cores and 16 threads to this mobile workstation, giving plenty of headroom for demanding multitasking, background processing and everyday business applications.
• Nvidia Quadro P620 discrete graphics. 4GB of dedicated GDDR5 graphics memory brings workstation-class rendering power to CAD, 3D modelling, photo and video editing tasks that would tax integrated graphics alone.
• 16GB of memory and a 128GB SSD. Fast solid-state storage means quick boot times and near-instant application launches, while 16GB of RAM keeps Windows 11 Pro and your working applications responsive.
• Enterprise-ready Intel vPro. Dell shipped this laptop with Intel vPro Technology enabled, giving IT teams hardware-level remote management and the platform stability business fleets rely on.
• Thunderbolt connectivity. A Thunderbolt port supports high-speed data transfer and external displays, useful for docking at a desk or connecting professional peripherals.
• Bright FHD display and backlit keyboard. The 15.6" Full HD anti-glare panel covers 100% of the sRGB colour gamut, and the backlit keyboard makes typing easy in dim meeting rooms or on evening flights.

Performance in Use

The Precision line is Dell's workstation family, and the Precision 3551 brings that business-grade engineering to a 15.6-inch mobile form factor. At its core is the Intel Core i7-10875H, a 10th Gen Intel processor with 8 cores and 16 threads that handles demanding multitasking with ease — think large spreadsheets, multiple browser tabs, video calls and background sync clients running together without the machine slowing down. Where the Precision 3551 stands apart from a typical business laptop is its Nvidia Quadro P620 discrete graphics card, a workstation-class GPU with 4GB of dedicated GDDR5 memory that takes rendering, viewport navigation and GPU-accelerated tasks off the CPU.

That combination makes the Precision 3551 a strong fit for users who need more graphics horsepower than integrated graphics can offer but do not need a full desktop workstation. CAD users, engineers reviewing 3D models, and creative professionals doing photo or light video editing will notice the difference the Quadro P620 makes compared with a standard business laptop. 16GB of RAM and a 128GB SSD round out the platform, giving Windows 11 Pro and everyday applications room to run smoothly, while the fast SSD keeps boot times and application launches quick.

Connectivity and usability have not been overlooked. A Thunderbolt port supports high-speed docking, external displays and fast peripheral connections, while the backlit keyboard makes the laptop easy to use in low-light meeting rooms, on site visits or during evening work. The 15.6" Full HD display is non-touch with an anti-glare coating and 100% sRGB colour coverage, a useful combination for anyone doing colour-sensitive work such as photo review or design sign-off. Because it runs Windows 11 Pro with Intel vPro Enterprise Technology, the Precision 3551 also slots neatly into managed business environments — BitLocker drive encryption, Remote Desktop and domain or Microsoft Entra ID join are all available, and vPro gives administrators extra tools for remote support and fleet management. For engineers, designers, technical consultants or any business user who wants workstation-grade graphics without stepping up to a desktop, the Precision 3551 offers a practical, portable option.

Beyond the specification sheet, the Precision 3551 is built for the realities of a busy working day. The 6-cell 97Whr battery, as fitted by Dell at the factory, is sized to see a mobile workstation through meetings, site visits and travel between the office and client locations, while the 130W power adapter supplied with every unit keeps it topped up quickly overnight or between jobs. There is no built-in mobile broadband on this configuration, so it pairs naturally with Wi-Fi at the office, at home or via a phone hotspot on the road. For IT managers standardising a fleet of workstation-class laptops, the combination of vPro remote manageability, Thunderbolt docking and Windows 11 Pro security features means the Precision 3551 can be provisioned, monitored and supported the same way as the rest of a modern business fleet, while still giving power users the discrete Quadro graphics their workload demands.

This class of Dell Precision hardware is common in engineering firms, universities, government departments and technical consultancies, where a workstation-grade GPU needs to travel between the office, the lab and client sites rather than stay fixed at a desk. Choosing a certified refurbished Precision 3551 over new equipment gives access to that same Quadro-class graphics performance and Dell workstation build quality at a lower cost, while extending the working life of well-built hardware. Every unit sold by Reboot IT has already been through a full technical inspection, so the performance and features described here reflect what the laptop is capable of on day one in your hands, not just when it left the factory.

Tech Specs

Is It Right for You?

Condition Grades

Battery note: 70%+ battery for Grade A, 50–70% for Grade B, 30-day battery warranty.

Frequently Asked Questions

What processor does this Dell Precision 3551 have?

It has an Intel Core i7-10875H, a 10th Gen Intel processor with 8 cores and 16 threads. It is well suited to heavy multitasking, business applications and workloads that benefit from extra CPU headroom.

Does it have dedicated graphics?

Yes. This Precision 3551 has an Nvidia Quadro P620 with 4GB of dedicated GDDR5 graphics memory, a workstation-class GPU suited to CAD, 3D modelling and photo or video editing work.

How much RAM and storage does it have?

This configuration has 16GB of RAM and a 128GB SSD, giving Windows 11 Pro and your applications fast, responsive storage.

Which operating system is installed?

The laptop comes with Windows 11 Pro installed and activated, ready for business features such as BitLocker encryption, Remote Desktop and domain or Microsoft Entra ID join.

Does it have a touchscreen?

No. The 15.6" Full HD display is a non-touch, anti-glare panel with 100% sRGB colour coverage, which suits keyboard-and-mouse productivity and colour-sensitive work alike.

Does it support Thunderbolt?

Yes, this Precision 3551 includes a Thunderbolt port for high-speed data transfer, docking and external displays.

Is shipping free and how is the laptop tested?

Yes, this laptop ships with free standard AU shipping. Before dispatch every unit is fully tested, cleaned, graded and loaded with a clean installation of Windows 11 Pro by our Melbourne technicians, ready to sign in and start working as soon as it arrives.

Warranty & Why Buy From Reboot IT

Every certified refurbished Dell Precision 3551 comes with a 12-month warranty from Reboot IT covering hardware faults under normal use, plus a 30-day battery warranty. Reboot IT has been refurbishing and supplying business-grade IT equipment from Melbourne since 2001, and every laptop is professionally tested, cleaned and graded by our in-house technicians before it leaves the warehouse. Each Precision 3551 is checked for keyboard, display, graphics, storage and battery function, then wiped and loaded with a clean installation of Windows 11 Pro so it is ready to sign in and start working the day it arrives. If anything goes wrong within the warranty period, our Melbourne team is here to help.

Buying refurbished workstation-class hardware is a smart way to get Quadro-level graphics performance while keeping good equipment in use and out of landfill. Enjoy free standard AU shipping, local Australian support and a team that knows these machines inside out, from the first boot to the last day of the warranty period. Visit reboot-it.com.au for more certified refurbished laptops, desktops and monitors.