IT Hardware Insights & Guides

The four constraints that decide whether a server can host accelerators: chassis space, power supply and rack circuit capacity, passive c...

A decommissioning sequence that avoids later problems: dependency checks, retention obligations, sanitising before hardware leaves, licen...

Why memory rather than processor constrains virtualisation hosts, how per-core licensing changes the CPU decision, shared versus local st...

Why the circuit rather than the rack is the real limit, PDU types compared, why redundant supplies need separate circuits loaded to half ...

What a UPS protects against beyond power cuts, the three topologies compared, how to size against actual load rather than nameplate ratin...

Why most rack thermal problems are recirculation rather than capacity: blanking panels, hot and cold aisle layout, cable management, and ...

How to tell whether a system board is genuinely the fault, what a replacement affects including system identity and licences, and when re...

How server power supply redundancy actually works, why both oversizing and undersizing cost you, why replacements are model-specific, and...

What iLO, iDRAC and IMM controllers do, why remote console and virtual media are usually licensed, what to check when buying second-hand,...

1U, 2U, 4U, tower and blade servers compared: what each format gives up in drive bays, expansion and cooling headroom, and the depth and ...