Here are the main differences between SSD (Solid State Drive) and HDD (Hard Disk Drive):

FeatureSSD (Solid State Drive)HDD (Hard Disk Drive)
DefinitionA storage device that uses NAND-based flash memory to store data electronically.A traditional storage device that uses spinning disks and read/write heads to store data magnetically.
Type of MemorySSD is a type of non-volatile memory that uses NAND-based flash memory.HDD uses rotating magnetic disks and read/write heads to store data.
SpeedSSD is faster than HDD in terms of read/write speeds due to the lack of mechanical components.HDD is slower than SSD due to the mechanical components used to read and write data.
CapacitySSD is generally available in smaller capacities than HDD, although larger capacities are becoming more common.HDD is available in larger capacities than SSD.
Power ConsumptionSSD consumes less power than HDD as it does not require any mechanical components.HDD consumes more power than SSD due to the mechanical components used to read and write data.
DurabilitySSD is more durable than HDD as it does not have any moving parts.HDD is less durable than SSD as it has moving parts that can be damaged.
CostSSD is generally more expensive than HDD.HDD is generally less expensive than SSD.
NoiseSSD is completely silent due to the lack of moving parts.HDD produces noise due to the mechanical components used to read and write data.
ExamplesSamsung 970 EVO Plus, Kingston A400.Western Digital Black, Seagate Barracuda.