Large Portfolio Notebook with Digitisation Technology Including Stylus with Ballpoint Pen

The typical time delay, measured in milliseconds, between a request and its response for storage devices such as hard drives or SSDs. It reflects how quickly data can be accessed from the device and is useful for comparing performance across similar products.

The amount of data that a drive device can temporarily store in its internal memory before processing or transferring it. The value is expressed with a digital capacity unit such as kilobytes, megabytes, or gigabytes. This attribute helps users understand the performance and efficiency of the drive when handling data streams.

The number of bytes contained in each storage sector of a device, indicating the smallest unit of data that can be read or written by the medium.

The colour or combination of colours that a product is available in, expressed as common names such as "Black", "Silver" or comma‑separated lists like "Black, White". It indicates the visual appearance of the item for consumers.

Specifies the type of device or system that the product is intended to be used with, such as a PC, server, notebook, surveillance system, or other electronic equipment. The value represents a single category and can be used to filter or group products by their target platform.

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.

The general classification of a product, such as tablet, smartphone, router, or computer. It indicates the primary function or form factor that helps buyers quickly identify and compare similar items.

The total storage capacity of an internal hard drive installed in the product, expressed as a numeric value with an appropriate unit such as GB, MB, or TB. This attribute helps users understand how much data can be stored on the device.

The physical or logical interface used by a hard drive to connect with other components, such as SATA, SAS, USB, PCI Express, or M.2. It indicates the technology that enables data transfer and power delivery between the device and its host system.

The maximum theoretical speed at which a hard drive can send and receive data over its interface, expressed in bits per second (bps) or multiples such as kbps, mbps, gbps. This value represents the upper bound of throughput under optimal conditions and is useful for comparing performance across different drives and interfaces.

The physical width of a hard drive measured in inches or millimetres, typically expressed as the diagonal size of the drive’s enclosure (e.g., 2.5" or 3.5"). This measurement indicates the form factor that determines compatibility with computer bays, external enclosures, and mounting brackets.

The speed at which a hard drive’s spindle rotates, expressed in revolutions per minute (RPM). This value indicates how quickly the drive can read and write data, affecting performance for tasks that involve frequent disk access.

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 range of electrical voltage that a device can safely accept from its power source, expressed in volts (V). It specifies the minimum and maximum supply voltages compatible with the product, covering both AC and DC inputs where applicable.

The altitude interval (in meters) at which a product or component ceases to function correctly due to environmental factors such as reduced atmospheric pressure, temperature changes, or other elevation‑related effects. The value is expressed as a minimum–maximum range and applies to any device that has documented limits for operation above or below certain heights.

The mass of a component or device measured while it is not operating, expressed in grams. This value represents the total weight that the unit can sustain during shock testing and includes any internal parts and packaging if specified.

The range of altitudes (in meters) at which a product or component can operate reliably without performance degradation due to changes in atmospheric pressure, temperature, or other altitude‑related effects.

The range of relative humidity (in percentage) within which the product is designed to operate reliably. Values are expressed as a minimum–maximum interval such as "20 - 80 %" and indicate the acceptable environmental moisture level for optimal performance.

The mass of a device measured while it is in normal operation, expressed in grams (g). This value indicates the amount of material that contributes to vibration during use and can help assess mechanical stability or compliance with vibration standards.

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

The electrical power drawn by a device when it is powered on but not performing any active tasks, expressed in watts (W). This value represents the minimal energy usage during idle or standby periods and can be used to estimate background consumption or compare efficiency across similar products.

The electrical power drawn by a device while it is writing data to storage or memory, expressed in watts (W). This value represents the peak energy usage during write operations and can be used to assess performance and efficiency of storage devices.

Indicates whether the product has been refurbished, meaning it has undergone a quality inspection and repair process to restore it to a like-new condition before resale.

Indicates whether the product is manufactured in accordance with the RoHS (Restriction of Hazardous Substances) directive, which limits the use of certain hazardous materials in electrical and electronic equipment.

The electrical current drawn by a device when it first powers on, expressed in amperes (A). It represents the initial surge of current required to start the product and can help users assess power supply compatibility or identify potential overload risks.

Indicates whether a storage‑drive adapter is supplied with the product. A value of "Yes" means an adapter is included in the package, while "No" indicates that no adapter is provided and must be purchased separately.

The method by which a user interacts with the tablet, such as using a stylus pen or touch input. It indicates whether the device supports one or more input modalities and helps users choose a tablet that matches their preferred interaction style.

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

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.

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.

Indicates whether a pen device can operate without a wired connection, using wireless technologies such as Bluetooth or RF to communicate with a host computer or tablet.