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New Precision 3660 Tower

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Smart performance that scales

Tower workstation designed for outstanding performance scalability. Featuring improved CPU cooling, built-in AI responsiveness, professional graphics and Intel® Core™ processors.

 
Picture of a Dell Precision 3660 Tower Workstation.

 

Operating System

Available with Windows 11, Windows 10 or Ubuntu.
Picture of a dismantled Dell Precision 3660 Tower Workstation showing the product inside.

Extreme scalability in mini-tower design

CPU cooling option
Get improved cooling with Advanced Air and Premium Liquid Coolers.

Lockable, removable front storage
Secure and accessible data storage.

Faster ports
Easy access to ports (up to 20Gbps).

Removable power supply 
Use the release to easily remove the power supply.
Picture of a dismantled Dell Precision 3660 Tower Workstation showing the product inside with a Dell monitor next to it.

Powerful performance

You won’t believe your eyes
Whether you’re working on website design or CAD, Intel integrated graphics or up to AMD Radeon Pro or NVIDIA pro graphics (up to 350W) ensure a smooth and elevated visual experience every time.

Slowing down isn’t an option
125W 12th Gen Intel Core™ processors. Up to 128GB or up to 4400MHz DDR5 memory. Up to 28TB of RAID-capable storage.

Convenient connectivity
Integrated Wi-Fi 6 and Bluetooth 5.2 with vPro.
Picture of a dismantled Dell Precision 3660 Tower Workstation showing the product inside.

Optional air and liquid cooling

The flow of air or liquid keeps your internals cool, and your workspace silent, so your creativity is never interrupted. Advanced thermals help to keep your system running at peak performance.
Reliable Memory Technology Pro

Reliable Memory Technology Pro

Works with ECC memory to detect bad memory, correct errors, map out bad memory sectors and report.
Independent Software Vendor (ISV) certification

Independent Software Vendor (ISV) certification

Precision workstations are tested to ensure the high-performance applications you rely on every day run smoothly.*

Dell Optimizer for Precision*

Our built-in AI platform learns how you work and adapts to create a smarter, more personalized experience. 
 
*Not all Dell Optimizer for Precision features are available on every Precision workstation.
Intelligent Audio
Intelligent Audio
Intelligent Audio enhances your audio quality and reduces background noises, so you can hear and be heard, creating a better conference experience for all.
ExpressResponse
ExpressResponse
With Intel® Adaptix™ Technology, prioritize your most important apps, so they open faster and perform better.
ExpressConnect
ExpressConnect
New ExpressConnect automatically joins the strongest access point in the office and directs bandwidth to critical applications, wherever you work.
Analytics
Analytics
Analyze your system and generate reports on workload, system performance and system diagnostics for insights that help you create a personalized performance for the way you work.
 
 
Redefine reality

Redefine reality

Create fully-immersive VR content with Intel® integrated graphics or up to AMD Radeon Pro or NVIDIA pro graphics (up to 350W).
Create smart

Create smart

Develop AI on-the-go with factory-installed Ubuntu Linux, fast storage options, a large memory footprint, and Intel® CPUS.
The speed of AI

The speed of AI

Cognitive technologies are the fastest growing area in modern computing. Applications that previously required human intelligence are now augmented by powerful machine learning algorithms, shortening the time between ideas and results.
Windows 11 Pro - designed for hybrid work.
Windows 11 Pro - designed for hybrid work.
The most productive and secure version of Windows yet—but simple for IT.
Learn More
Picture of two Dell Precision 3660 Tower Workstations with numbers from 1 to 16 signaling the product ports & slots.

Ports & Slots

1. Optical drive (optional) | 2. Power button | 3. Audio-mic combo (3.5mm) jack | 4. (2) USB 3.2 Type-A Gen 1 (5Gbps) | 5. USB 3.2 Type-C Gen2 (10Gbps) data only | 6. USB 3.2 Type-C Gen 2x2 (20Gbps) data only | 7. SD Card Reader 4.0 | 8. Audio out (3.5mm jack) | 9. (2) DP1.4++ HBR2 | 10. (2) USB 3.2 Type-C Gen2 (10Gbps) with power delivery | 11. (2) USB 3.2 Type-A Gen2 (10Gbps) | 12. (2) USB 2.0 Type-A | 13. RJ45 i219 LAN (1G) | 14. Power connector | 15. LED indicator light | 16. Video port optional (VGA HD15, HDMI 2.0, DP++ 1.4 HBR3, USB Type-C w/DP-Alt mode DP 1.4 HBR2)
Picture of a Dell Precision 3660 Tower Workstation with numbers from 1 to 3 signaling product dimensions & weight.

Dimensions & Weight

1. Height: 369.0 mm (14.52 in.) | 2. Width: 173.0 mm (6.81 in.) | 3. Depth: 420.0 mm (16.53 in.) | Starting Weight: 8.5 kg (18.739 lbs.)*

View 3660 Spec Sheet

Fit for every project

Whether you work with design or creative applications in education in retail or entertainment, it’s ready to deliver.
Design (2D, 3D, CAD)
Design- 2D, 3D, CAD
Retail- floor design and layout
Retail- floor design and layout
Creative Applications
Creative Applications
Education
Education
Finance
Finance
Healthcare
Healthcare

See your work in 8K

Optional DP1.4 port with 8K support, Two DP1.4 ports with 5K support
2K Full HD
2K Full HD
1920x1080
5K Ultra HD
5K Ultra HD
5120 × 2880
8K Ultra HD
8K Ultra HD
7680x4320
 

Essential office accessories for your Precision 3660 Tower

 
Picture of a Dell UltraSharp 34 Curved USB-C Hub Monitor U3421WE with a colorful dashboard on the screen.

Dell UltraSharp 34 Curved USB-C Hub Monitor | U3421WE

Get immersive productivity on a 34" WQHD curved monitor with wide color coverage and extensive connectivity including RJ45, USB-C and quick-access front ports.
Picture of a Dell UltraSharp 27 Monitor U2722D.

Dell UltraSharp 27 Monitor | U2722D

Take your work to new heights with this 27-inch QHD monitor featuring wide color coverage, always-on, built-in ComfortView Plus and fast connectivity.
Picture of a Dell 3Dconnexion SpaceMouse Wireless 700066.

3Dconnexion SpaceMouse Wireless | 700066

3Dconnexion’s patented 6-Degrees-of-Freedom (6DoF) sensor is specifically designed to manipulate digital content or camera positions in industry-leading CAD applications. Simple push, pull, twist or tilt the 3Dconnexion controller cap to intuitively pan, zoom and rotate your 3D drawing.
Picture of a Dell UltraSharp Webcam WB7022.

Dell UltraSharp Webcam | WB7022

Elevate your video conferencing experience with the world’s best image quality 4K webcam* that optimizes your visuals with a large 4K Sony STARVIS™ CMOS sensor and AI Auto-Framing.
Picture of a Dell Pro Wireless Headset WL5022.

Dell Pro Wireless Headset | WL5022

Work from anywhere with this Bluetooth Teams certified headset that lets you switch seamlessly to your PC or smartphone and enjoy crystal clear audio on the go.
Picture of a Dell Slim Soundbar SB521A.

Dell Slim Soundbar | SB521A

The world's slimmest and lightest* soundbar offers exceptional audio clarity and easy magnetic attachment to Dell monitors*, ensuring a clean desk experience.
Picture of a Dell Precision 3660 Tower Workstation with a Dell monitor next to it.
EPEAT registered
Precision workstations are EPEAT registered* across the portfolio. The majority are EPEAT Gold, meaning they meet the highest standards in sustainability criteria.

Responsible packaging
Today 87% of Dell’s packaging is made from recycled or renewable materials. By 2030, it will be 100%. Learn more about our moonshot goals and other initiatives in our Progress Made Real Report.

Green future
Help us in our mission to make our products with at least 50% recycled or renewable content. Send your e-waste (any brand) to us for recycling or reuse in support of a circular economy.

Learn more at Dell.com/Recycle.
Picture of a man in a blue sweater and glasses with a tablet on the left hand and the right hand on wires on the wall.

We’ve got your business covered

ProDeploy Client Suite: Greater speed, less effort and more control. 
 
ProSupport: 24x7 access to in-region advanced technology experts.
 
ProSupport Plus: All the capabilities of ProSupport with so much more.

Processor

  • 12th Generation Intel® Core™ i9-12900K (30 MB cache, 16 cores (8+8), 3.2 GHz to 5.2 GHz, 125 W)
    12th Generation Intel® Core™ i9-12900 (30 MB cache, 16 cores (8+8), 2.4 GHz to 5.1 GHz, 65 W)
    12th Generation Intel® Core™ i7-12700K (25 MB cache, 12 cores (8+4), 3.6 GHz to 5.0 GHz, 125 W)
    12th Generation Intel® Core™ i7-12700 (25 MB cache, 12 cores (8+4), 2.1 GHz to 4.9 GHz, 65 W)
    12th Generation Intel® Core™ i5-12600K (20 MB cache, 10 cores (6+4), 3.7 GHz to 4.9 GHz, 125 W)
    12th Generation Intel® Core™ i5-12600 (18 MB cache, 6 cores (6+0), 3.3 GHz to 4.8 GHz, 65 W)
    12th Generation Intel® Core™ i5-12500 (18 MB cache, 6 cores (6+0), 3.0 GHz to 4.6 GHz, 65 W)
    12th Generation Intel® Core™ i3-12100 (12 MB cache, 4 cores (4+0), 3.3 GHz to 4.3 GHz, 60 W)

    Note:
    1. All processors come with Intel® Integrated Graphics.
    2. Intel® Turbo Boost Max Technology 3.0 is only available with i7-12700, i9-12900, i7-12700K, i9-12900K processors.
    3. Intel® Turbo Max Technology 3.0 is only available on Performance Cores.

    Processor Cooling options**
    1. Standard CPU Air Cooler
    2. Advanced CPU Air Cooler
    3. Premium CPU Liquid Cooler

Operating System (Dell recommends Windows 10 Pro for business.)

  • Windows 11 Home, 64-bit
    Windows 11 Pro, 64-bit
    Windows 10 Pro (Windows 11 Pro License Included)
    Ubuntu® Linux® 20.04 LTS, 64-bit  
    Kylin V 10 SP1 (PRTS)
    Red Hat® Enterprise Linux® 8.6 (PRTS)

Video Card

  • Intel® UHD Graphics 730 for 12th Generation Core™ i3 processors
    Intel® UHD Graphics 770 for 12th Generation Core™ i5/i7/i9 processors
    NVIDIA® Quadro® RTX A6000, 48 GB, GDDR6
    AMD Radeon™ Pro W6800, 32 GB, GDDR6
    NVIDIA® Quadro® RTX A5000, 24 GB, GDDR6
    NVIDIA® Quadro® RTX A4000, 16 GB, GDDR6
    AMD Radeon™ Pro RX6900XT, 16 GB, GDDR6
    AMD Radeon™ Pro W6600, 8 GB, GDDR6
    AMD Radeon™ Pro W5700, 8 GB, GDDR6
    NVIDIA® Quadro® RTX A2000, 6 GB, GDDR6
    AMD Radeon™ Pro WX3200, 4 GB, GDDR5
    NVIDIA® Quadro® T1000, 4 GB, GDDR6
    NVIDIA® Quadro® T600 class, 4 GB, GDDR6
    NVIDIA® Quadro® T400 class, 2 GB, GDDR6

    Note:
    One PCI Express x16 Gen5 slot supporting graphics cards up to 350 W (Total power available for Discrete Graphics cards).
    Some cards are available in Dual configurations.

Memory*

  • 8 GB, 1 x 8 GB, DDR5, 4400 MHz, Non-ECC
    16 GB, 1 x 16 GB, DDR5, 4400 MHz, Non-ECC
    32 GB, 1 x 32 GB, DDR5, 4400 MHz, Non-ECC
    16 GB, 2 x 8 GB, DDR5, 4400 MHz, Non-ECC, dual-channel
    32 GB, 2 x 16 GB, DDR5, 4400 MHz, Non-ECC, dual-channel
    64 GB, 2 x 32 GB, DDR5, 4400 MHz, Non-ECC, dual-channel
    32 GB, 4 x 8 GB, DDR5, 4000 MHz, Non-ECC, dual-channel
    64 GB, 4 x 16 GB, DDR5, 4000 MHz, Non-ECC, dual-channel
    128 GB, 4 x 32 GB, DDR5, 3600 MHz, Non-ECC, dual-channel

    16 GB, 1 x 16 GB, DDR5, 4400 MHz, ECC
    32 GB, 1 x 32 GB, DDR5, 4400 MHz, ECC
    32 GB, 2 x 16 GB, DDR5, 4400 MHz, ECC, dual-channel
    64 GB, 2 x 32 GB, DDR5, 4400 MHz, ECC, dual-channel
    64 GB 4 x 16 GB, DDR5, 4000 MHz, ECC, dual-channel
    128 GB 4 x 32 GB, DDR5, 3600 MHz, ECC, dual-channel

    Note: 
    1. ECC memory is not supported on Intel Core i3-12100 processor.

    4 DIMM Slots: Up to 128 GB or up to 4400 MHz ECC and Non-ECC DDR5
    Maximum speed: 4400 MHz
    Maximum capacity: 128 GB
    Maximum memory speed varies by the following configuration on each channel. If the 2 DIMM configuration is not symmetrical, the maximum speed may drop.
    4400 MHz : 1 DIMM-1R/2R
    4000 MHz : 2 DIMM-1R
    3600 MHz : 2 DIMM-2R

Hard Drive

  • 2.5-inch, 500 GB, 7200 RPM, SATA, HDD
    2.5-inch, 500 GB, 7200 RPM, Self-Encrypting, Opal 2.0, FIPS, SATA, HDD
    2.5-inch, 1 TB, 7200 RPM, SATA, HDD
    3.5-inch, 1 TB, 7200 RPM, SATA, HDD
    3.5-inch, 2 TB, 7200 RPM, SATA, HDD
    3.5-inch, 4 TB, 5400 RPM, SATA, HDD
    3.5-inch, 4 TB, 7200 RPM, SATA, Enterprise HDD
    3.5-inch, 8 TB, 7200 RPM, SATA, Enterprise HDD
    M.2 2230, 256 GB, PCIe NVMe® Gen3 x4, Class 35 SSD
    M.2 2280, 512 GB, PCIe NVMe® Gen4 x4, Class 40 SSD
    M.2 2280, 1 TB, PCIe NVMe® Gen4 x4, Class 40 SSD
    M.2 2280, 2 TB, PCIe NVMe® Gen4 x4, Class 40 SSD
    M.2 2280, 4 TB, PCIe NVMe® Gen4 x4, Class 40 SSD
    M.2 2280, 512 GB, PCIe NVMe® Gen3 x4, SSD, Self-Encrypting drive
    M.2 2280, 1 TB, PCIe NVMe® Gen3 x4, SSD, Self-Encrypting drive

    Note:

    1. Support for 3.5-inch 4 TB and 8 TB, 7200 RPM, SATA, Enterprise HDD*
    2. Front accessible 2.5-inch SATA or 3.5-inch SATA HDD (with lockable door and key) available with specific storage configurations
    3. Front accessible M.2 NVMe SSD with CRU QX118 available in slimeline bay through Custom Factory Installation*
    4. Support for up to (3) M.2 2280 PCIe NVMe SSD on motherboard and up to (3) 3.5-inch SATA** or (4) 2.5-inch SATA HDDs
    5. Support for Intel® Ready Mode™ technology
    6. Support for up to (1) additional PCIe SSD on Dell Precision Ultra-Speed drive with active cooling
    7. RAID 0/1/5/10 available

Microsoft Office

  • Microsoft Office 30 Day Trial
    Microsoft Office Home and Business 2021
    Microsoft Office Professional 2021
    Dell Optimizer for Precision

Security Software

  • McAfee® Small Business Security 30 Day Free Trial
    McAfee® Small Business Security 12-month subscription
    McAfee® Small Business Security 36 month Subscription
    Intel Guard Technologies & Secure Key: Software Guard (SGX), Data Guard (vPro only), Boot Guard, BIOS Guard (Core CPU's only), OS Guard (Core CPU's only) and Secure Key (i5 or greater only)
    Intel Runtime BIOS Resilience (Copper Point) with attestation via Nifty Rock + Intel TXT
    Support of Absolute Persistent Module BIOS agent v2
    OpenXT validation required
    SafeGuard and Response, powered by VMware Carbon Black and Secureworks
    Next Generation Antivirus (NGAV)
    Endpoint Detection and Response (EDR)
    Threat Detection and Response (TDR)
    Managed Endpoint Detection and Response
    Incident Management Retainer
    Emergency Incident Response
    SafeData

Support Services

  • 1 years Basic Warranty with Hardware Service on site service after remote diagnosis
    2 years Basic Warranty Extension
    3 years Basic Warranty Extension
    4 years Basic Warranty Extension
    5 years Basic Warranty Extension
    1 years ProSupport with Next Business Day on-site service
    2 years ProSupport with Next Business Day on-site service
    3 years ProSupport with Next Business Day on-site service
    4 years ProSupport with Next Business Day on-site service
    5 years ProSupport with Next Business Day on-site service
    1 years ProSupport Plus for Client with Next Business Day on-site service
    2 years ProSupport Plus for Client with Next Business Day on-site service
    3 years ProSupport Plus for Client with Next Business Day on-site service
    4 years ProSupport Plus for Client with Next Business Day on-site service
    5 years ProSupport Plus for Client with Next Business Day on-site service

Accidental Damage Service

  • 1 Years Accidental Damage Service
    2 Years Accidental Damage Service
    3 Years Accidental Damage Service
    4 Years Accidental Damage Service
    5 Years Accidental Damage Service

Keyboard

  • N/A

Ports

  • Front:
    1 Universal audio port
    2 USB 3.2 Type-A Gen 1 ports
    1 USB 3.2 Type-C Gen2 port
    1 USB 3.2 Type-C Gen 2x2 port
    1 SD Card slot

    Rear:
    2 DisplayPort 1.4 ports
    2 USB 3.2 Type-C Gen2 ports
    2 USB 3.2 Type-A Gen2 ports
    2 USB 2.0 Type-A ports
    1 RJ45 Ethernet port
    1 Power port
    1 Video port
    1 Audio Line out

Optical Drive

  • 8x DVD-ROM 9.5mm Optical Disk Drive
    8x DVD+/-RW 9.5mm Optical Disk Drive
    Integrated Smart Card Reader with Contact and Contactless Support (CAC/PIV)

Slots

  • 1 full-height Gen5 PCIe x16 slot
    1 full-height Gen3 PCIe x4 slot
    1 full-height Gen 4 PCIe x4 slot
    1 M.2 2230 slot for WiFi and Bluetooth card
    2 M.2 2230/2280 PCIe Gen4 slots for NVMe SSD
    1 M.2 2280 PCIe Gen 3 for NVMe SSD
    5 SATA slots for 2.5/3.5-inch HDD/ODD

Dimensions & Weight

  • Height: 369.0 mm (14.52 in.)
    Width: 173.0 mm (6.81 in.)
    Depth: 420.0 mm (16.53 in.)
    Starting Weight: 8.5 kg (18.739 lbs)*

Chassis

  • MTX Tower

Wireless*

  • Qualcomm® WCN6856-DBS, 2x2 MIMO, 3571 Mbps, 2.4 Ghz/5 Ghz/6 Ghz, Wi-Fi 6E (Wi-Fi 802.11ax), Bluetooth 5.2
    Intel® AX211, 2x2 MIMO, 2400 Mbps, 2.4 Ghz/5 Ghz/6 Ghz, Wi-Fi 6E (Wi-Fi 802.11ax), Bluetooth 5.2

Power

  • 300 W internal power supply unit, 92% Efficient PSU, 80 Plus Platinum
    500 W internal power supply unit, 92% Efficient PSU, 80 Plus Platinum
    750 W internal power supply unit, 92% Efficient PSU, 80 Plus Platinum
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