Welcome visitor you can login or create an account.

Dell Precision 3000 Series (3420)

Affordable, professional performance.

Affordable tower workstations for professional performance. Fully configurable and ISV certified with Intel® processors and discrete graphics.
Dell Precision 3000 Series (3420)
Dell Precision 3000 Series (3420) Dell Precision 3000 Series (3420) Dell Precision 3000 Series (3420) Dell Precision 3000 Series (3420) Dell Precision 3000 Series (3420) Dell Precision 3000 Series (3420)
Brand: Dell
Product Code: 52AO8R8ZPZ2
Availability: Awaiting Delivery
Dell Retail Price: £1,084 (inc VAT)
Our Price: £599 (ex VAT)
£719 (inc VAT)
vailable with Windows 10 Pro — for a smooth, versatile PC experience.
Powerful performance
Powerful performance
Fast is an understatement: Power through intensive tasks easily thanks to the new 6th Gen Intel® Core i™ and Xeon® E3-1200 V5 processors enabled for fast and stable performance.


For the professional: Experience powerful graphics options including AMD FirePro™ or NVIDIA® Quadro® professional-grade discrete graphics for even the most demanding projects.
Your work can count on it
Your work can count on it
Independent Software Vendor (ISV) certification: Dell Precision Workstations are tested to ensure the high-performance applications you rely on every day run smoothly. Dell ISV-certifications cover the most popular independent software applications. For a complete list of ISV certifications, click here.  

Reach maximum potential: The Dell Precision Optimizer, with SCCM centralized management, improves productivity and performance by fine-tuning your system beyond standard factory settings, and optimizes certified ISV apps.
Smart design, now in two sizes
Small Form Factor
Small Form Factor
The small form factor tower workstation is the industry’s most compact small form factor design. The optional Platinum-rated PSU has a smaller design that leaves a reduced environmental footprint.
Mini Tower
Mini Tower
The smallest mini tower workstation on the market. The compact size with the option to expand as your business needs grow makes this ideal for maximum space saving without sacrificing power or potential.
Built for security and reliability
Built for security and reliability
Supreme security: You can choose your level of security with a number of beneficial options including: Optional Dell Data Protection | Security Tools + Dell ControlVault | Encryption Personal Edition or Enterprise Edition.  

Massive memory: Easily store and access large and complex 3D, multimedia and video project files with the speed and reliability of up to 64GB2 of DDR4 2133 MHz memory.  

Lock and key: Available FIPS certified self-encrypting drives (SEDs) can reduce security risks and unauthorized access to your data. 

Big files? No problem: Large file transfers of data and video are quick and easy with Thunderbolt™ 2 connectivity as well as optional PCIe M.2 SSD storage.
Ports & Slots – Small Form Factor Tower

Ports & Slots – Small Form Factor Tower


1. Optical drive | 2. Memory Card Reader | 3. Universal audio | 4. USB 2.0| 5. USB 3.0 | 6. RJ45 port | 7. USB 2.0 | 8. USB 3.0 | 9. Mouse connector | 10. Keyboard connector| 11. Serial connector | 12. Display port | 13. HDMI | 14. Line-out connector
Dimensions & Weight – Small Form Factor Tower

Dimensions & Weight – Small Form Factor Tower

Height: 11.42” (29cm) | Width: 3.65” (9.27cm) | Depth: 11.5” (29.21cm) | Weight: 11.68lbs (5.3kg)
Ports & Slots – Mini Tower

Ports & Slots – Mini Tower


1. Headphone | 2. Microphone | 3. USB 3.0 | 4. USB 2.0| 5. Line-out connector | 6. Line-in/Microphone | 7. USB 3.0 | 8. HDMI | 9. Serial connector | 10. Display port | 11. USB 2.0| 12. Keyboard connector | 13. Mouse connector | 14. RJ45 port
Dimensions & Weight – Mini Tower

Dimensions & Weight – Mini Tower


Height: 14.17” (35.99cm) | Width: 6.89” (17.5cm) | Depth: 17.12” (43.48cm) | Weight: 20.06lbs (9.1kg)

Accessories & Services

Essential accessories for your Dell Precision
Essential accessories for your Precision Workstation
Maximize the performance of your Precision Tower 3000 Series with Dell-recommended essential accessories. Look for these great products and more at checkout.
Product Type Processor:
3.9 GHz Intel i5-6600(4 Core, 6M Cache, Up to 3.9 GHz)


250 GB Solid State Drive - M.2 2280 Internal - PCI Express - NVMe - 3000 MB/s Maximum Read Transfer Rate

2GB Nvidia Quadro P620 (4 x mDP)

Not Installed

MS Windows 10 Pro x64

92% efficient PSU, 240W Chassis)

Dell USB Mouse & Keyboard

Dell Factory Remanufactured

****SFF Chassis ***
Warranty DELL - 3 YEARS NEXT BUSINESS DAY ON SITE WARRANTY (On-Site Service After Remote Diagnosis2 is designed to deliver convenient and timely warranty repair).
Included ***SMALL FORM FACTOR ***

92% Efficient PSU

Dell USB Keyboard & Mouse

Standard Specs And Options Intel® Xeon® Processor E3-1200 v5 Family; 6th generation Intel® Core™ i7 and i5. Intel core i3 (coming soon); Intel Turbo Boost technology(5) and Intel Integrated HD Graphics on select Processors; optional vPro™ Technology

Intel® C236 Chipset

Memory Options
4 Dimm Slots; Up to 64GB 2133Mhz Non-ECC DDR4 Memory; Up to 64GB 2133Mhz ECC DDR4 Memory

Graphics Options
One PCI Express® x16 Gen 3 Graphics card up to 150W (Total for Graphics) (Some cards available in Dual Config)

Mid-range 3D cards Options:
AMD FirePro W7100
AMD FirePro W5100
NVIDIA Quadro M4000 (coming soon)
NVIDIA Quadro K2200

Entry 3D cards Options:
AMD FirePro W4100
AMD FirePro W2100
NVIDIA Quadro K620
NVIDIA Quadro K420

Professional 2D cards Options:
NVIDIA NVS 310 (coming soon)
Intel HD Graphics 530/P530

Storage Options
Support for up to (1) M.2 PCIe SSD and Up to (2) 3.5” SATA or (4) 2.5” SATA. Support for Intel Ready Mode technology

Storage Controller
Integrated: Intel Rapid storage Controller 12.0 supporting SATA 6Gb/s and host based RAID 0/1/5/10

Integrated: Intel Ethernet Connection I219-LM 10/100/1000
Optional: Intel 10/100/1000 PCIe Gigabit Networking card

Audio Controller
Integrated Realtek ALC3861 High Definition Audio Codec (2 Channel)

Add-in cards
Optional Thunderbolt 2 PCIe Card (coming soon) Optional 1394 a/b PCIe Card (3 Ports – 2x 1394b + 1x 1394a)

I/O Ports
2 – USB 2.0
2 – USB 3.0
1 – Microphone
1 – Headphone

2 – USB 2.0
4 – SATA 6Gb/s

2 – USB 2.0
4 – USB 3.0
2 – PS2
2 – DisplayPort
1 – HDMI
1 – RJ45 Network Connector
1 – Serial
1 – Audio Line in/Microphone
1 – Audio Line out

HxWxD: 14.17” x 6.89” x 17.12” (36cm x 17.5cm x 43.5cm)
Bays: (2) internal 3.5” bays - supports (2) 3.5” or (4) 2.5” drives; (2) external 5.25” optical bays
Slots: (1) Full Height PCIe x16 Gen3; (1) Full Height PCIe x16 Gen 3 (wired x4); (1) Full Height PCIe x1 Gen3; (1) Full Height PCI; (1) M.2 (22x80 mm)
Power Supply: 365W 90% efficient PSU (80PLUS Gold Certified Certified) Energy Star compliant;
290W 85% efficient PSU (80PLUS Bronze Certified) Energy Star Compliant

Storage devices
Optional: Up to 2 optical drives: DVD-ROM; DVD+/-RW, Blu Ray Writer, 19-in-1 Media Card reader installed in 5.25" bay