Definition - What does Zettabyte (ZB) mean?
A zettabyte (ZB) is a unit of digital information storage used to denote the size of data. It is equivalent to 1,024 exabytes or 1,000,000,000,000,000,000,000 bytes.
Techopedia explains Zettabyte (ZB)
The prefix "zetta" is part of the International System of Units (SI) and refers to 1021 units. Hard disk manufacturers label their products in SI, which may confuse some people in the IT field. The ISO, IEEE and the IEC all recommend using the unit zebibyte, which signifies 270 bytes and is more accurate for the measure of bytes. Two interpretations can be made using the two standards: Using SI, one zettabyte is equivalent to 1,000 exabytes or 1,000,000,000,000,000,000,000 or 1021 bytes. Using traditional binary measurement, one zettabyte is equivalent to 1,180,591,620,717,411,303,424 bytes, that’s 270 bytes, also equivalent to 1 zebibyte (ZiB).
"Techopedia" on Twitter
Sign up for Techopedia's Free Newsletter!
Join thousands of others with our weekly newsletter
The 4th Era of IT Infrastructure: Superconverged Systems:
Learn the benefits and limitations of the 3 generations of IT infrastructure – siloed, converged and hyperconverged – and discover how the 4th...
Approaches and Benefits of Network Virtualization:
Businesses today aspire to achieve a software-defined datacenter (SDDC) to enhance business agility and reduce operational complexity. However, the...
Free E-Book: Public Cloud Guide:
This white paper is for leaders of Operations, Engineering, or Infrastructure teams who are creating or executing an IT roadmap.
Free Tool: Virtual Health Monitor:
Virtual Health Monitor is a free virtualization monitoring and reporting tool for VMware, Hyper-V, RHEV, and XenServer environments.
Free 30 Day Trial – Turbonomic:
Turbonomic delivers an autonomic platform where virtual and cloud environments self-manage in real-time to assure application performance.