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Systems & Data Center · Foundational

Blade Server

A thin, modular server that slides into a shared chassis providing power, cooling, networking and management.

Definition

Blade chassis reduce cabling and space by sharing infrastructure among many compute nodes. Trade-offs include chassis dependency, vendor lock-in and high power density per rack. Cisco UCS B-Series and HPE Synergy are examples.

Example

A 10U chassis hosts eight half-width blades sharing redundant power supplies and fabric modules.

Exam tip

Blades save space and cabling but concentrate power and cooling load; the chassis is a shared failure domain.

Related terms