[ GLOSSARY DEFINITION ] Storage

HMB

Host Memory Buffer — an SSD using a slice of system RAM as cache.

Also known as: Host Memory Buffer

Full Definition & Technical Explanation

HMB — Host Memory Buffer — an SSD using a slice of system RAM as cache.

This storage term is part of the CompareTech technical dictionary and helps you read specifications, comparisons, and benchmark data across its device database.

See also: garbage collection write amplification.

Related Technical Terms

garbage collection
The SSD process of reclaiming space from deleted data. Storage
write amplification
Extra writes caused by flash rewrite mechanics. Storage
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