IMac 27-inch Retina (Mid-2017) Core i7 4.2GHz 512GB SSD QWERTY Keyboard

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.

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.

The specific version of the Bluetooth standard supported by a product, expressed as a numeric value (e.g., 4.2, 5.0) or with additional descriptors such as "+HS" or feature lists. This attribute indicates the capabilities and compatibility for wireless communication.

Indicates whether the product includes a built‑in camera that can capture images or video directly, without requiring an external device. A value of "Yes" means the device has such a camera; "No" means it does not.

Indicates whether the product includes a built‑in stereo microphone, i.e., a single integrated microphone that captures sound from two channels for higher audio fidelity. A value of "Yes" means such a microphone is present; "No" indicates it is absent.

Indicates whether the product includes built‑in speaker(s) that can produce sound without requiring external audio devices. A value of "Yes" means the device has one or more integrated speakers; a value of "No" means it does not.

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

Specifies the type of interface or mechanism used to secure a cable in its port, such as Kensington, Noble, IBM, or other standard lock slots. This attribute helps users identify compatibility and security features of the device.

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 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.

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.

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.

The level of a product’s compliance with the EPEAT (Electronic Product Environmental Assessment Tool) program, indicating how well it meets environmental and sustainability criteria. Typical levels are "Gold", "Silver" or "Bronze".

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

Represents the total count of Ethernet LAN (RJ‑45) interfaces available on a product. The value is an integer indicating how many physical Ethernet ports are present, regardless of speed or generation.

The pixel dimensions of a product’s screen, expressed as width by height (e.g., 1920x1080). It indicates the total number of pixels that compose the display and is used to assess image sharpness and clarity across devices such as monitors, TVs, laptops, and cameras.

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.

The largest amount of internal random‑access memory that a device can support, expressed as a data size such as megabytes or gigabytes. It indicates the maximum capacity for active processes and multitasking performance.

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 physical configuration or size classification of a memory module, such as SO‑DIMM, UDIMM, RDIMM, or on‑board. It indicates the form factor that determines compatibility with motherboards and other hardware components.

Indicates how many microphone input connectors are available on the product. The value is a simple integer representing the total count of MIC ports, regardless of type or version.

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 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 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.

The type of optical drive included in a 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 specific technology used to construct the display panel, such as IPS, TN, VA, OLED, or LCD. It indicates how pixels are controlled and affects image quality, color accuracy, viewing angles, and power consumption.

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 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 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.

The overall amount of digital storage that can be held by the device, including all built‑in and removable options. The value is expressed as a numeric quantity followed by an appropriate unit such as GB, MB, or TB.

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.

Represents how many TVI (Television Interface) connectors are present on the product. The value is a simple integer indicating the total count of TVI ports, regardless of version or configuration.

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.

A list of the wireless networking protocols and frequency bands that a device can connect to, such as 802.11a, 802.11b, 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.

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.