• Цена до 400$ (вместе с дисками).
• 10+ ТБ свободного места с возможностью потери одного диска.
• Сетевое соединение на скорости 2,5–10 Гбит.
• Низкое энергопотребление.
• Низкий уровень шума.
• Желательно 1–2U корпус для установки в стойку с глубиной до 30–35 см.
• Возможность расширения дисков/оперативной памяти.

• Supports multiple targets in the form of IP addresses, IP ranges (CIDR notation), and resolvable hostnames. IPv6 is also supported.
• Can scan multiple targets concurrently, utilizing multiple processors if they are available.
• Advanced plugin system allowing for easy creation of new scans.
• Customizable port scanning plugins for flexibility in your initial scans.
• Customizable service scanning plugins for further enumeration.
• Suggested manual follow-up commands for when automation makes little sense.
• Ability to limit port scanning to a combination of TCP/UDP ports.
• Ability to skip port scanning phase by supplying information about services which should be open.
• Global and per-scan pattern matching which highlights and extracts important information from the noise.
• An intuitive directory structure for results gathering.
• Full logging of commands that were run, along with errors if they fail.
• A powerful config file lets you use your favorite settings every time.
• A tagging system that lets you include or exclude certain plugins.
• Global and per-target timeouts in case you only have limited time.
• Four levels of verbosity, controllable by command-line options, and during scans using Up/Down arrows.
• Colorized output for distinguishing separate pieces of information. Can be turned off for accessibility reasons.