Dell Precision 5540

The operating frequency of the alternating current supplied to an AC adapter, expressed in hertz (Hz). It indicates the mains frequency range that the charger can handle and ensures proper operation with the connected device.

Indicates whether the product comes with an AC power adapter included in the package. A value of "Yes" means a charger is supplied, while "No" indicates that no charger is provided and the user must obtain one separately.

The range of alternating current voltage that an AC adapter can accept, expressed in volts (V). It specifies the minimum and maximum supply voltages compatible with the device, ensuring safe operation across different regions and power standards.

The electrical current supplied by an AC power adapter to a device, expressed in amperes (A). It indicates the maximum output current that the adapter can provide under normal operating conditions and helps users verify compatibility with devices or accessories that require a specific input current.

The electrical potential difference supplied by the AC adapter to a device, expressed in volts (V). It indicates the nominal voltage that the charger outputs and is used to match the adapter with compatible equipment.

The classification of an antenna used in a device, indicating its physical configuration or mounting style such as external, internal, integrated, directional, omnidirectional, or multi‑antenna setups (e.g., "2x2", "4 x External"). It helps buyers understand how the antenna is attached and what signal coverage it may provide.

The proportion between the width and height of a display, image or video, expressed as two numbers separated by a colon (e.g., 16:9). It indicates whether content is designed for widescreen, square, or other aspect ratios.

Specifies the audio system installed or supported by the product, such as Dolby Audio, SonicMaster, MaxxAudio Pro, or other proprietary audio processing technologies. The value is a free‑text string that identifies the main audio engine or brand used for sound playback and processing.

The chemical composition or classification of a battery, such as lithium‑ion, lithium‑polymer, nickel‑metal hydride, sealed lead acid, alkaline, zinc‑air, etc. It indicates the type of electrochemical reaction that stores and delivers energy in the device.

The electrical potential difference supplied to a battery or measured across its terminals, expressed in volts (V). It indicates the nominal operating voltage of the battery and is used to match power sources, chargers, and devices that require a specific voltage level.

The mass of a battery expressed in a standard unit such as grams or kilograms. It indicates how heavy the battery is and can be used for shipping calculations, handling instructions, or consumer information.

Indicates whether the product includes at least one built‑in microphone. A value of "Yes" means that the device has an integrated microphone, while "No" indicates it does not.

Indicates whether the product includes a slot for inserting a cable lock, such as a Kensington or similar security device.

The specific type of cable lock interface that a device provides for securing cables, such as Kensington, Noble, IBM or other standard locking mechanisms.

Indicates whether the device includes a built‑in card reader that can read removable memory cards such as SD, microSD, MMC or similar formats.

The physical connector used to charge the device, such as USB Type‑C, DC‑in jack, Micro‑USB, or proprietary connectors. It indicates the type of port that supplies power to the product and helps users identify compatible chargers or accessories.

List of the memory card types that a device can read or write, such as MicroSD (TransFlash), SD, MMC, CompactFlash, and others. Each value represents a format that the device’s slot or reader supports for storage expansion.

Indicates whether the product is compatible with NVIDIA’s CUDA technology, which enables parallel computing on graphics processing units.

The total count of CUDA cores present in a graphics processing unit (GPU). Each core is an independent execution unit that can perform parallel computations, enabling accelerated performance for tasks such as rendering, machine learning, and scientific simulations.

The linear measurement of an object from front to back or top to bottom, expressed in a physical unit such as millimeters, centimeters, inches, etc. It indicates how deep the item is and can be used for fitting, compatibility, or spatial planning.

Indicates whether the product includes a dedicated graphics adapter (discrete GPU) separate from any integrated graphics. A value of "Yes" means a discrete GPU is present, while "No" indicates only integrated graphics are available.

The pixel dimensions of a display or image, expressed as width by height (e.g., 1920x1080). It indicates how many pixels are used to render visual content and is commonly used for monitors, TVs, smartphones, cameras, and digital images.

Indicates whether a product has two separate displays or screens, such as a laptop with an additional secondary monitor or a device that supports dual-screen operation. The value is "Yes" if the product includes two distinct screens and "No" otherwise.

Indicates whether the product has been certified by Energy Star, a recognized standard for energy efficiency in appliances and electronics.

Indicates whether the product has an Ethernet interface for wired network connectivity, allowing data transmission over RJ‑45 or compatible cables.

The physical configuration or shape of a product, such as clamshell, tower, rack‑mount, or compact form. It indicates how the device is built and what mounting or expansion options it supports.

Indicates whether the product is equipped with a front-facing camera. The value can be "Yes" or "No", representing the presence or absence of this camera.

The pixel dimensions of the front-facing camera, expressed as width by height (e.g., 1920x1080). It indicates how many pixels the camera can capture, affecting image and video quality.

The vertical dimension of a product measured from its lowest to highest point. It is expressed in a physical unit such as millimetres, centimetres or inches and applies to any item where height is relevant, including books, electronics, furniture and other objects.

The total amount of internal memory available in a device, expressed as a data size such as megabytes (MB) or gigabytes (GB). It indicates how much information the component can hold for active processes and affects multitasking performance.

The illumination source used behind a display panel, such as LED, WLED, CCFL or LCD. It determines the brightness, energy efficiency and color accuracy of the screen.

Indicates whether a user manual—physical or digital—is provided with the product. A value of "Yes" means that a manual is included, while a value of "No" indicates that no manual is supplied.

The highest number of times per second that a display can update its image, expressed in hertz (Hz). It indicates the maximum refresh capability of the device and is useful for comparing visual performance across monitors, TVs, laptops, and other screen‑based products.

The maximum operating frequency of a memory module, expressed in hertz (Hz). It indicates how many cycles per second the RAM can perform and is typically reported as MHz or GHz. This value helps users compare performance potential across different memory types and system configurations.

The total count of integrated speaker units present in the product. This value indicates how many separate speaker elements are built into the device, helping users compare audio capabilities across models.

Indicates whether the product includes a numeric keypad area on its keyboard, typically found in full-size or laptop keyboards with an integrated numeric section.

The model name or number of the integrated graphics adapter built into a device, such as a laptop, desktop, or motherboard. It identifies the specific GPU variant used for rendering and video processing, allowing users to compare visual performance and compatibility across products.

The model name or number of the integrated graphics adapter built into a device, such as a laptop or motherboard. It identifies the specific GPU variant used for rendering and video processing, allowing users to compare visual performance and compatibility across products.

The architecture of the operating system installed on a device, indicating whether it is 32‑bit or 64‑bit (or other variants). This attribute helps users determine compatibility with hardware and software that requires a specific OS architecture.

The operating system that is installed on the device, indicating the software platform that manages hardware resources and provides services for applications. It can be a commercial OS such as Windows or macOS, an open‑source distribution like Linux, or a proprietary firmware used in embedded devices.

A list of natural languages in which the operating system installed on a device is available or supported, allowing users to identify the language options for the OS interface and documentation.

The type of optical drive included in a computer or related device, such as DVD‑RW, DVD‑Writer, Blu‑Ray RW, or no optical drive. This attribute indicates whether the product can read or write optical media and specifies the particular model or capability when available.

The underlying display panel technology used in a visual device, such as IPS, TN, VA, OLED, AMOLED, or other variants. It indicates the type of liquid crystal arrangement or organic light‑emitting structure that determines image quality, color accuracy, viewing angles and power consumption.

Indicates whether a device requires the entry of a password to access sensitive functions or data, providing an additional layer of security against unauthorized use.

The number of pixels per inch on a display, expressed as points‑per‑inch (ppi). This metric indicates how sharp and detailed the screen appears, allowing comparison across monitors, smartphones, tablets, and other pixelated devices.

Represents the physical size of a single pixel on a display, expressed as width and height in a length unit (e.g., millimeters). This attribute allows comparison of the physical resolution of screens or imaging devices that use metric units to describe the smallest visible point.

The type of pointing device integrated into or used with the product, such as a touchpad, clickpad, trackpoint, or mouse. The value is a free‑text label that identifies the specific form factor or mechanism the user interacts with to move the cursor or select items.

Indicates whether a power cord is supplied with the product. A value of "Yes" means that a power cable is included in the package, while "No" indicates it is not provided and must be purchased separately.

The highest clock speed a processor can reach when its turbo or boost feature is active, expressed in hertz (Hz). This value indicates the peak performance capability of the CPU under load and helps users compare how fast a processor can run beyond its base clock speed.

The amount of internal memory reserved for a processor’s cache, expressed in units such as megabytes (MB) or gigabytes (GB). This value indicates how much data the CPU can store locally to accelerate access and improve performance.

The type or level of the internal cache memory in a processor, such as L1, L2, L3, or Smart Cache. This attribute indicates the hierarchical structure and naming convention used by the CPU manufacturer to describe its cache organization.

The total number of physical processing units in a single central processing unit (CPU). This value indicates how many independent tasks the CPU can handle simultaneously, influencing multitasking and parallel performance.

The processor family identifies the group or series of CPU models that share a common architecture, design, and performance characteristics. It helps users compare processors across brands and generations by indicating the underlying technology used in the chip.

The fundamental operating frequency of a processor, expressed in hertz (Hz). It indicates the speed at which the CPU runs under normal conditions and is typically reported in gigahertz (GHz) or megahertz (MHz). This value helps users compare performance potential across different models.

The company that designs and produces the central processing unit (CPU) used in a device. This value identifies the brand of the processor, such as Intel, AMD, Qualcomm, or ARM Holdings, allowing users to assess compatibility, performance expectations, and support resources.

Identifies the exact model of the central processing unit used in a device, including brand and numeric designation such as "Intel Core i5-8250U" or "AMD Ryzen 7 3700X". This value allows users to distinguish between different processor families, generations, and performance levels.

Indicates the general classification or type of an item, such as "laptop", "projector", "router" or "paint". It helps users quickly identify the nature of the product and compare similar items across categories.

The brand or company that produces the speaker(s) included in a product. This value helps users identify the source of the audio hardware, assess quality expectations, and locate support resources.

List of physical or logical interfaces that a solid‑state drive can use to connect with other components, such as PCI Express (PCIe), Serial ATA (SATA), NVMe, U.2 or other standard connections.

The type of storage medium used in the product, such as SSD, HDD, eMMC, Flash, or hybrid combinations. It indicates whether the device uses solid‑state, magnetic, or other forms of memory and helps users understand the underlying technology.

A list of the wireless networking protocols and frequency bands that a device can connect to, such as IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, Wi‑Fi 4 (802.11n), Wi‑Fi 5 (802.11ac) or Wi‑Fi 6 (802.11ax). The values are typically separated by commas and may include both the technical name and a consumer‑friendly label.

Indicates whether a device has a touchscreen interface that can detect touch input. The value is "Yes" if the device includes a functional touchscreen, and "No" otherwise.

Indicates whether the product supports USB Power Delivery (USB‑PD) and, if applicable, the maximum power it can deliver via a USB‑C port. A value of "Yes" means the device is capable of providing or receiving power through USB‑PD; a numeric value specifies the wattage limit (e.g., 90 W).

The maximum frame rate at which a device can record video, expressed as frames per second (fps). This value indicates how many individual images the camera captures each second during recording and helps users compare the smoothness of motion that can be captured by different devices.

The mass of the product expressed in a standard unit such as grams or kilograms. It represents how heavy the item is and can be used for shipping calculations, handling instructions, or consumer information.

Indicates whether the product has built‑in Wi‑Fi capability, allowing it to connect to wireless networks without requiring external adapters or dongles.

The horizontal measurement of a product, expressed in a linear unit such as millimetres or inches. It indicates how wide the item is from one side to the other and is used for sizing, fitting, and compatibility purposes.

The total count of individual key switches present on a keyboard or similar input device, including all standard, function, and special keys. This value indicates how many separate keys are available for typing, gaming, shortcuts, or other functions, regardless of layout or branding.