[ 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.

See also: garbage collection, write amplification.

Where HMB Matters

Frequently Asked Questions

What is HMB?

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

What terms are related to HMB?

Related Storage terms include garbage collection, write amplification.

Related Technical Terms

garbage collection
The SSD process of reclaiming space from deleted data. Storage
write amplification
Extra flash writes caused by how SSDs rewrite data, which affects endurance. Storage
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