glossary

a 10 gigabit-per-second ethernet connection — ten times common gigabit.

the plain statement that a page contains commissioned links.

a tracked product link that credits us a commission when you buy.

amazon's unique product id for a single listing.

a modern linux copy-on-write filesystem with snapshots and checksums.

the share of visitors who take the action you want — usually a purchase.

the share of viewers who click a link — clicks divided by impressions.

average earnings per hundred clicks — a link-quality yardstick.

the low-level software baked into a device that makes its hardware run.

the physical size and shape of a component or drive.

the legally required notice that content is paid, sponsored or commissioned.

the neural-network architecture behind modern ai chat assistants.

the modern disk-partitioning scheme that replaced the old mbr.

a global barcode number that identifies a product across all stores.

a traditional spinning hard disk — cheaper per terabyte, slower than flash.

swapping a drive while the system stays powered on and running.

how many read/write operations a drive can handle per second.

the delay before a transfer begins — lower is snappier.

multiple wifi units working as one network for whole-home coverage.

a dedicated box of disks that serves files to every device on your network.

the unix/linux protocol for sharing folders across a network.

the fast protocol that lets an ssd talk to the cpu over pcie lanes.

the high-speed bus that connects expansion cards and nvme drives to the cpu.

delivering power and data to a device over a single ethernet cable.

combining several disks so they act as one — for speed, redundancy, or both.

spare capacity so one failure does not lose your data.

the authorisation number you get to return a faulty product.

a seller's own internal code for a specific product variant.

the protocol windows uses to share files and printers over a network.

a flash-based drive with no moving parts — far faster than a spinning disk.

how much data moves per second — the speed of large sequential transfers.

the share of time a system stays up and reachable.

a copy-on-write filesystem with checksums, snapshots and built-in raid.