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QLC NAND Technology


The vast majority of your data needs to be read quickly — not rewritten repeatedly. Embrace these read-centric needs and unlock the value of your data more efficiently and affordably with the industry’s first QLC SSDs, which are built on Micron’s leading QLC NAND flash technology. QLC packs 33% more capacity per NAND cell than its triple-level cell (TLC) counterpart, enabling enterprise solid state storage at a more affordable price point for a broader range of applications than ever before.

QLC NAND Density 

An Industry First

On May 21st, Micron began shipping and selling the industry’s first QLC SSD, delivering the next evolution in storage that delivers fast capacity for less. Micron’s QLC technology delivers the features, capacity, performance and value to challenge HDDs in environments where performance is critical and the cost of SSDs has historically been too high. With QLC SSDs, you can quickly access and analyze the read-intensive, performance-sensitive workloads that fuel your business — like real-time analytics, machine learning, artificial intelligence, Big Data, content delivery, user authentication, and more.

Read the QLC Technology Flyer

Ideal Applications for QLC Enterprise SSDs

Give these applications a performance uplift that’s more cost-effective using high-capacity, lightning-quick QLC-based SSDs.

  • Real-Time Analytics and Big Data: Deliver value to Big Data applications like Hadoop Distributed File Systems.

  • Business Intelligence and Decision Support Systems: Quickly mine massive data sets using faster, deeper queries for real-time business insights and decision-making.

  • Active Archives and Large Block Storage: Transform scale-out active archives into a strategic asset and deliver massive large-block data streams with ease.

  • Read-Intensive Artificial Intelligence: Get the speed AI algorithms depend on to quickly identify patterns in sprawling data sets.
  • Machine and Deep Learning: Crunch immense data sets in seconds versus minutes — because machines can only learn as fast as they can read and analyze data.

  • Content Delivery, Video on Demand, Media Streaming: Deliver more assets to more users more consistently with support for massive, parallel requests and streams.

  • NoSQL Databases: Breathe life into data-driven workloads like content classification and tagging as well as user profile acceleration.

  • User Authentication: Perform quick authentication with quick storage.

Top Three Benefits of QLC SSDs

 QLC NAND Density  QLC NAND Capacity QLC NAND footprint 
1. Lower TCO: While performance focused, read-centric workloads rely on massive arrays of HDDs to deliver the results that users demand, QLC storage does it with fewer drives — lowering your performance-focused total cost of ownership (TCO).* 2. More Capacity: QLC stores more bits per cell than its predecessors, enabling immense gains at the system, rack and data center levels that are more cost-effective. 3. Smaller Footprint: QLC technology’s ability to increase per-server density reduces rack space by up to 7.7X compared to 2TB HDDs, saving precious and expensive data center real estate.

*All comparisons based on a 3.5-inch 8TB 7200RPM HDD. TCO statement based on common read-centric workload of 128K 95% read, estimations for similar performance (total capacity is different); 3X lower power comparisons based on public power consumption specifications for HDDs and Micron 5210 enterprise QLC SSD; 41% less rack space based on 42U rack (fully populated), 50PB data set, 2.5-inch 7.68TB Micron 5210 enterprise QLC SSDs, 8TB 3.5-inch enterprise SATA HDDs and high-density 2U servers capable of supporting 32X 2.5-inch or 18X 3.5-inch form factor devices per chassis, RAID 0


Quad-Level Cell Storage Frees Your
Read-Intensive Workloads from Slow HDDs

Latest-generation storage technology drives results with Apache® Cassandra®.

Cassandra Tech Brief 

Latest-Generation Storage Technology
Brings Value and Density

Quad-level cell storage can help reclaim high-value
rack space.

Reclaim Rack Space Tech Brief

Micron Quad-Level Cell Technology Advances
New Affordable Capacity Standard

Find out what Micron’s next-generation QLC storage technology means for read-centric workloads.

Affordable Capacity Tech Brief 

Micron Quad-Level Cell Technology Brings
Affordable Solid State Storage to More Applications

Learn how QLC empowers immense, read-focused workloads.

QLC Tech Brief

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Get Updates From Micron Storage



Learn how QLC technology brings you fast capacity for less outlay, and more value from emerging applications.
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  • Updated: 08/07/2018

Get flash benefits for more of your read-intensive workloads with Micron quad-level cell NAND flash technology.

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  • Updated: 10/15/2018

Learn how QLC technology brings you fast capacity for less outlay, and more value from emerging applications.

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  • Updated: 08/07/2018
Technical Brief

Learn how QLC empowers immense, read-focused workloads

  • File Type: PDF
  • Updated: 06/29/2018

The industry's first SSD built on groundbreaking quad level cell (QLC) NAND technology, the Micron 5210 ION SSD delivers major value for enterprise and nearline storage.