Design Colour of product Black Product type Mobile workstation Form factor Clamshell Display Display diagonal 39.6 cm (15.6") Display resolution 3840 x 2160 pixels Touchscreen No Panel type IGZO HD type 4K Ultra HD Aspect ratio 16:9 LED backlight Yes Display brightness 400 cd/m² Processor Processor frequency 2.7 GHz Processor family 6th gen Intel® Core™ i7 Processor model i7-6820HQ Processor boost frequency 3.6 GHz Processor cores 4 Processor threads 8 System bus rate 8 GT/s Processor cache 8 MB Processor cache type Smart Cache Processor socket BGA 1440 Processor lithography 14 nm Processor operating modes 64-bit Processor series Intel Core i7-6800 Mobile series Processor codename Skylake Bus type DMI3 Stepping R0 Motherboard chipset Intel® CM238 Thermal Design Power (TDP) 45 W Tjunction 100 °C Maximum number of PCI Express lanes 16 PCI Express slots version 3.0 PCI Express configurations 1x16,2x8,1x8+2x4 ECC supported by processor No Memory Internal memory 16 GB Internal memory type DDR4-SDRAM Maximum internal memory 64 GB Memory clock speed 2400 MHz Memory form factor SO-DIMM Memory slots 4x SO-DIMM Maximum internal memory (64-bit) 64 GB ECC Yes Storage Total storage capacity 512 GB Storage media SSD Card reader integrated Yes Number of SSDs installed 1 Solid-state drive capacity 512 GB Compatible memory cards SD,SDHC,SDXC Graphics On-board graphics adapter Yes Discrete graphics adapter Yes On-board graphics adapter model Intel® HD Graphics 530 Discrete graphics adapter model NVIDIA Quadro M2200 On-board graphics adapter base frequency 350 MHz On-board graphics adapter dynamic frequency (max) 1050 MHz Maximum on-board graphics adapter memory 1.7 GB Number of displays supported (on-board graphics) 3 On-board graphics adapter OpenGL version 4.4 On-board graphics adapter ID 0x191B Number of discrete graphics adapters installed 1 Audio Audio system MaxxAudio Pro Speakers manufacturer Waves Built-in microphone Yes Camera Front camera Yes Optical drive Optical drive type No Networking Bluetooth Yes 3G No 4G No Wi-Fi Yes Wi-Fi standards IEEE 802.11ac Ethernet LAN Yes Bluetooth version 4.2 Ethernet LAN data rates 10,100,1000 Mbit/s Near Field Communication (NFC) Yes Ports & interfaces USB 3.0 (3.1 Gen 1) Type-A ports quantity 4 HDMI ports quantity 1 Thunderbolt 3 ports quantity 1 USB Sleep-and-Charge Yes USB Sleep-and-Charge ports 4 Ethernet LAN (RJ-45) ports 1 DVI port No Mini DisplayPorts quantity 1 S/PDIF out port No Microphone in No Combo headphone/mic port Yes Docking connector Yes DC-in jack Yes SmartCard slot Yes Performance Dell E-Value Code N001SP7520BTPDEAT Keyboard Numeric keypad Yes Pointing device Touchpad Windows keys Yes Software Operating system installed Windows 7 Professional Operating system architecture 64-bit Drivers included Yes Processor special features Intel® Wireless Display (Intel® WiDi) Yes Intel® My WiFi Technology (Intel® MWT) Yes Intel® Smart Response Technology Yes Intel® Hyper Threading Technology (Intel® HT Technology) Yes Intel® Turbo Boost Technology 2.0 Intel® Small Business Advantage (Intel® SBA) Yes Enhanced Intel SpeedStep Technology Yes Intel® Clear Video HD Technology (Intel® CVT HD) Yes Intel Clear Video Technology Yes Intel® InTru™ 3D Technology Yes Intel® Insider™ Yes Intel® Quick Sync Video Technology Yes Intel Flex Memory Access Yes Intel® AES New Instructions (Intel® AES-NI) Yes Intel Trusted Execution Technology Yes Intel Enhanced Halt State Yes Intel VT-x with Extended Page Tables (EPT) Yes Intel® Secure Key Yes Intel TSX-NI Yes Intel Stable Image Platform Program (SIPP) Yes Intel® OS Guard Yes Intel Software Guard Extensions (Intel SGX) 1 Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID) Yes Intel 64 Yes Execute Disable Bit Yes Idle States Yes Thermal Monitoring Technologies Yes Processor package size 42 Supported instruction sets SSE4.1,SSE4.2,AVX 2.0 Processor code SR2FU CPU configuration (max) 1 Embedded options available No Graphics & IMC lithography 14 nm Intel Virtualization Technology for Directed I/O (VT-d) Yes Intel Smart Response Technology version 1.00 Intel Stable Image Platform Program (SIPP) version 1.00 Intel Secure Key Technology version 1.00 Intel Small Business Advantage (SBA) version 1.00 Intel TSX-NI version 1.00 Intel Virtualization Technology (VT-x) Yes Processor ARK ID 88970 Conflict Free processor Yes Battery Battery technology Lithium Polymer (LiPo) Number of battery cells 6 Battery capacity (Watt hours) 91 Wh Power AC adapter power 180 W AC adapter frequency 50/60 AC adapter input voltage 100 - 240 AC adapter output current 9.23 A AC adapter output voltage 19.5 Security Cable lock slot Yes Password protection Yes Operational conditions Operating temperature (T-T) 0 - 40 °C Storage temperature (T-T) -40 - 65 °C Operating relative humidity (H-H) 10 - 90% Storage relative humidity (H-H) 5 - 95% Operating altitude -15.2 - 3048 m Non-operating altitude -15.2 - 10668 m Operating shock 140 G Non-operating shock 163 G Operating vibration 0.66 G Non-operating vibration 1.3 G Certificates Energy Star certified Yes Weight & dimensions Weight 2.8 kg Width 378 mm Depth 261 mm Height (front) 2.78 cm Height (rear) 3.3 cm Packaging content AC adapter included Yes Manual Yes Quick start guide Yes Power cord included Yes

Power to match your genius.
World's most powerful 15" mobile Workstation with Intel® processors, a PremierColor UHD display and up to 3TB of storage.

Premium design. Premium performance.
High-powered processors: We know you take on the biggest tasks. So we offer the best processors available. The Precision 7520 mobile Workstation delivers no-holds-barred processing power with the blazing performance of 7th Generation Intel ® Core™ i5, i7 and Intel® Xeon® processors.

Genius in the details: A premium, innovative design delivers up to four impeccable display options up to Ultra HD with 100% Adobe RGB and 8 million pixels. With detail this vivid, you’ll see everything in crisp, glorious definition.

High-performance graphics: Next generation professional-grade 2xRadeon Pro™ WX and 2xNVIDIA Quadro® graphics options with up to 4GB of graphics memory. Super high-speed 2400Mhz and 2667MHz of DDR4 memory keep pace with demanding 3D rendering and other graphics-intensive tasks.

Enjoy a long life: You’ll get plenty of charge with the long lasting 91WHr battery.

Ultimate reliability: Tested, optimized and certified with professional software applications as well as more support options with industry leading resolution time.

Superior comfort, speed and storage
Stay cool
Dell’s patented 5th generation dual cooling fans provide a brilliant approach to thermal cooling, taking performance and comfort to levels never before seen on a task-intensive laptop. No matter how high-powered your project, your processing and graphical applications will work within turbo frequencies and your system will stay cool.

Room for all your big ideas
Solid state PCle NVMe storage gives you the space to easily store, transfer and access complex 3D, multimedia and video files quickly and reliably. And with up to 3TB of total system storage, you’ll have space for even the biggest projects.

Improve productivity with Dell Precision Optimizer
Free with your Precision workstation, the Dell Precision Optimizer 4.0 takes the guesswork out of customizing settings and automatically adjusts them. The Dell Precision Optimizer automatically tunes your workstation to run the most popular Independent Software Vendor (ISV) applications at the fastest speeds possible for the fastest results. Featuring enterprise smart alerts for processor, storage, memory, and graphics utilization all in an elegant, new UI.

Innovative, durable design
Strong materials: The brilliantly designed chassis is subjected to and passes MIL-STD 810G testing, ensuring durability and reliability for wherever your job takes you.

Enhanced docking: Make using your peripherals and displays easy with the Dell E Dock, or use the Dell Thunderbolt™ Dock for faster data transfers and support for up to five Full HD displays or 2 4K displays and five other peripheral devices.

Rigorously tested for optimal performance
Independent Software Vendor (ISV) certification: 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.