What does "ssd" mean?

Initialism of solid-state drive.

Ssd

noun

noun ·Rare ·Advanced level

Noun

1
Initialism of solid-state drive. abbreviation, alt-of, countable, initialism
"We’ve found the T7 Touch SSD to be fast, secure and quite portable. But the inclusion of a fingerprint sensor for security onboard increased the price: $129.99 for 500GBs, $229.99 for 1TB and $399.99 for 2TB."
2
Initialism of static separation of duty. abbreviation, alt-of, initialism, uncountable
"First, static separation of duties (SSD) is based on user-role membership (Gavrila & Barkley, 1998)."
3
Initialism of sensory substitution device. abbreviation, alt-of, countable, initialism, uncountable
"An SSD like this one converts a visual signal to a sound, which the brain can then learn to convert back into vision. […] Because of this, SSDs are one of the first technologies to meaningfully demonstrate just what synesthesia – or at least one kind of it – might feel like to those who have never had it."

"The fast SSD and CPU really make this computer feel snappy during everyday use."