Buffalo LinkStation 520D 2-Bay NAS

The frequency of the alternating current supplied to the device, expressed in hertz (Hz). It indicates the acceptable operating range for the electrical mains that powers the product.

The alternating current voltage range that the product accepts from its power source, expressed in volts (V). It indicates the minimum and maximum supply voltages compatible with the device.

Indicates whether a device has the capability to create backups of its data or settings, allowing restoration in case of loss, failure, or interruption.

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

A list of the cable types that are supplied with the product, such as USB, HDMI, VGA, DisplayPort, LAN (RJ‑45), SATA, audio or other relevant connectors.

The physical configuration or shape of a computer chassis, such as tower, rack‑mount (e.g., 1U, 2U), desktop, mini‑PC, or other compact designs. It indicates the overall size and mounting style that determines compatibility with motherboards, power supplies, and case accessories.

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.

A comma‑separated list of network communication protocols that a device can use or support at the data link layer, such as Ethernet variants (Fast, Gigabit), Fibre Channel, and other link‑level standards. Each protocol is represented by its standard name and may be separated by commas or slashes in the source data.

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.

A free‑text label that identifies the general category or type of a device, such as "NAS", "Server", "Router", "Storage Enclosure" or any other descriptive class used by manufacturers to classify their products. The value is intended to help users quickly understand the primary function or form factor of the item.

Indicates whether the product is certified to meet the Digital Living Network Alliance (DLNA) standards, enabling seamless media sharing and interoperability with other DLNA‑compliant devices on a network.

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

Maximum theoretical speed at which a device can send or receive data over its Ethernet LAN interface, expressed in megabits per second (Mbps) or gigabits per second (Gbps). It represents the upper bound of throughput under optimal conditions and is useful for comparing network performance between devices with wired connectivity.

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.

Indicates whether the product comes with an external power adapter in its packaging. A value of "Yes" means a charger is supplied; a value of "No" means no charger is included and the user must obtain one separately.

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 type of memory physically installed inside a device, such as DDR4 SDRAM, LPDDR3, or other RAM variants. It indicates the architecture and generation of the internal memory modules that the product uses or supports.

A list of the functions or statuses that an LED indicator on a device can display, such as power status, activity, link, and other operational signals.

A list of macOS operating system versions that the product supports or is compatible with, such as "macOS 10.15 Catalina", "macOS 11 Big Sur" or newer releases. Each entry represents a distinct OS version that can run on or be supported by the device.

A list of network protocols that a device can use for configuration, monitoring and remote management, such as SNMP, HTTP/HTTPS, Telnet, SSH or other standard interfaces. Each protocol is represented by its common name and may be separated by commas or slashes in the source data.

The highest electrical power that a device can draw or consume during operation, expressed in watts (W). It represents the peak energy usage of the product and is useful for estimating maximum power requirements, comparing efficiency across similar devices, and ensuring compatibility with power supplies.

The largest amount of digital storage that a product can accommodate, expressed as a numeric value with an appropriate unit such as GB, MB, or TB. This attribute indicates the upper limit of data capacity for the device and helps users compare how much information it can hold.

The total count of individual storage drives that a product can accommodate or support. This includes internal and external hard disks, solid‑state drives, or other removable media devices. The value is an integer representing how many separate drive units the system can host, install, or connect.

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 range of temperatures in which a product can safely operate without risk of damage or performance degradation. Values are expressed in degrees Celsius (°C) and may represent a single temperature, a minimum–maximum interval, or an average operating point.

Indicates whether the device supports power‑management features such as automatic sleep, wake‑on‑LAN, or energy‑saving modes. A value of "Yes" means the product can enter low‑power states or be remotely controlled to conserve energy; "No" indicates it lacks these capabilities.

The physical position where the power supply unit is installed or mounted within a device, such as top, bottom, rear, side, front, or built‑in. This attribute helps users understand where to find the power source and plan cable routing or ventilation.

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.

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 whether a quick‑installation guide is provided with the product. A value of "Yes" means that a brief, step‑by‑step manual or overview is included to help users set up the device quickly; "No" indicates that no such guide is supplied.

A comma‑separated list of RAID levels that a storage device or controller can support, such as 0, 1, 5, 10, JBOD, and other proprietary configurations. Each value represents a distinct RAID mode the system is capable of creating or managing.

The total count of individual storage devices (hard disk drives or solid‑state drives) that are physically present in the product. It indicates how many separate drives are installed, regardless of capacity or interface type.

A list of network communication protocols that a device can use or support, such as TCP/IP, HTTP, HTTPS, FTP, DHCP, DNS, and various wireless standards. Each protocol is represented by its standard name and may be separated by commas or slashes in the source data.

List of physical or logical interfaces that allow an internal storage drive to communicate with the system, such as SATA, M.2 PCIe, U.2, SAS, NVMe, or other standard connections.

The general category or style of the product, such as laptop, printer cartridge, or cooling fan. It helps buyers quickly identify the nature of the item and compare similar products.

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.