Delkin Blog

3D NAND Flash Explained

D Flash Rod Connecting Layers Graphic

 

Although NAND flash storage is the leading storage format used in solid state drives, or SSDs, there is one concern that has long worried engineers and OEMs—its size. NAND flash storage devices have to be small, but they also have to be powerful. In some instances, capacity has been limited by the need to keep the device as small as possible. Fortunately, a solution has been found: 3D NAND flash. This format uses space on NAND flash storage cards more efficiently, so that it is possible to boost capacity without compromising the need to keep the device small. Here is what you need to know.

 

A Primer on NAND Flash

NAND flash is a non-volatile form of storage that is common in SSDs. It doesn’t require power to store data, which is a large part of its attraction. NAND flash storage is also a more affordable form of storage than magnetic storage devices, and since it doesn’t involve any moving parts, it experiences fewer failures.

 

With NAND storage, data is stored on small cells on the device. Each cell can hold a specific amount of data, depending on the type of NAND flash being used. The type of NAND flash that is the most expensive, but also considered the most reliable for industrial applications, is SLC (single-level cell) flash. The type of NAND flash that is the most affordable, but generally only used in consumer products, is TLC (triple-level cell) flash. MLC (multi-level cell) flash is the middle ground between the two options.

 

3D NAND Flash vs. Planar NAND Flash

When NAND flash was initially introduced, the design was planar. Cells were positioned across the surface of the device side by side. In order to accommodate as many cells as possible without increasing the overall size of the flash memory card, manufacturers shrank the cells. This caused a problem with cross-cell interference. Further, the amount storage a device could manage was still limited.

 

3D NAND flash is the solution. With 3D NAND, cells are stacked on top of each other, using vertical space in addition to horizontal space. As a result, more storage capacity is available without the need to shrink cells so much that they experience interference. 3D design is solving past problems with flash storage, creating even greater flexibility for this type of storage.

 

If you are interested in how 3D NAND flash could work for your industrial grade storage needs, contact Delkin. We’re available to answer questions about our products and to provide assistance in choosing the right kind of memory for your application.

 

Contact

  • This field is for validation purposes and should be left unchanged.

Related Posts

Embedded OS: Windows vs. Linux

    The August 2019 announcement by Microsoft that they would no longer be supporting Windows...

Write Amplification in True Embedded Applications

  When it comes to embedded storage, there are many differences between solid state drives,...

S325TLLM7B-C1000-3 - SD - microSD - 256MB - SLC
SMART microSD Cards Explained

  The trends in tech design are pushing in two seemingly incongruent directions: devices are...

Delkin Devices Industrial USB Flash Drive
High Capacity Flash Drive FAQs

  With solid state drives (SSDs) dominating the market for embedded storage and external hard...

What Is an M.2 SSD?

  Solid state drives, or SSDs, have changed the way that designers and engineers think...

Collaboration- Putting together pieces of the puzzle
Memory Electronics: Selecting the Right Memory for Electronic Applications

  When building an electronic application that requires embedded storage, one of the biggest decisions...

Delkin Devices Utility SSD (1.8” / 2.5” / mSATA)
FAQs about SSD Utility Grade

  SSDs, or solid state drives, are used in a huge array of industrial and...

ME5HAPX7V-3N000-2 - SATA - mSATA (MO-300B) - 512GB - MLC
What is a 32GB mSATA drive?

  A 32GB mSATA drive is a solid state drive that uses the SATA interface....

Memory Manufacturers- Delkin Devices

  Contrary to popular belief, all memory manufacturers are not created equal. Even with memory...

Conformal Coating Benefits

  Memory cards and SSDs are often exposed to environmental conditions that could cause damage,...