Quantum computers do not have the same kind of storage capacity as classical computers. In classical computers, storage is typically measured in bits, where each bit can represent a binary value of 0 or 1. Quantum computers, on the other hand, use quantum bits or qubits, which can represent both 0 and 1 simultaneously due to the principles of superposition and entanglement in quantum mechanics.
The storage capacity of a quantum computer is related to the number of qubits it has. With each additional qubit, the storage capacity grows exponentially. However, it's important to note that qubits are delicate and prone to errors due to various noise sources, which limits their reliability and scalability. As a result, the practical storage capacity of current quantum computers is relatively small.
the largest quantum computers built have had around 50 to 100 qubits. However, achieving high-fidelity operations on all those qubits is challenging, and quantum computers with a large number of qubits that are stable and error-corrected are still in the early stages of development.
It's worth mentioning that the storage capacity of a quantum computer is not solely determined by the number of qubits but also by the quality of those qubits and the level of error correction implemented. Higher-quality qubits with lower error rates and advanced error correction techniques can improve the effective storage capacity of a quantum computer.
Overall, while quantum computers have the potential for powerful computation, their current storage capacity is limited compared to classical computers. However, ongoing research and technological advancements aim to increase the number of qubits and improve their reliability, which may lead to larger storage capacities in the future.