SanDisk® iNAND® 8521 Embedded Flash Drive
UFS 2.1 I 3D NAND I Performance
Key Benefits
Performance
Exceptional Sequential
Write performance for fast
file transfer and content
download.
Improved Read performance
through an optimized
controller architecture,
resulting in quick system
boot-up and app launch.
UFS 2.1 embedded flash drive built with our 3D NAND technology.
Superior performance for today’s demanding mobile applications.
Design
Full vertical integration:
UFS controller, 3D NAND
technology, firmware,
assembly and testing
designed and developed
by Western Digital
UFS coupled with 3D NAND
technology provides the
most energy-efficient storage
solution for mobile devices, in
addition to superior speeds
and higher capacities
Capacities up to 256GB in
a small form factor allow
scalability and design flexibility
Main Features
Mobile devices are smarter and faster than ever before. They offer
consumers and businesses unprecedented communication, productivity
and entertainment experiences enabled by the ability to easily capture,
access, transform and preserve data.
The iNAND 8521 Embedded Flash Drive (EFD) is our most advanced flash
storage solution. Built with 3D NAND technology and the fast UFS2.1
interface, iNAND 8521 EFD offers superior read and write performance,
delivering a storage solution for the most data-intensive flagship mobile
devices, as well as thin-and-light compute devices
1
. The iNAND 8521 EFD
improves the user experience in generating and consuming data-rich
content, meeting the fast-growing performance requirement of future AI/
AR/VR applications. Its superior write performance exceeds system and
network bottlenecks, enabling emerging AI-based applications, leveraging
5G network speed capabilities.
Specifications
UFS 2.1 Gear3 2-lane
Plug-and-play integration
Field Firmware Upgrade (FFU)
Health and diagnostic report
5th Gen SmartSLC technology
Multiple RPMB regions
Secure Write Protection
Production State Awareness
Capacity
2
32GB
64GB
128GB
256GB
1
2
Package Size
11.5x13x1.0mm
11.5x13x1.0mm
11.5x13x1.0mm
11.5x13x1.0mm
UFS Version
V2.1 HS-G3
V2.1 HS-G3
V2.1 HS-G3
V2.1 HS-G3
Ordering Information
SDINDDH4-32G
SDINDDH4-64G
SDINDDH4-128G
SDINDDH4-256G
Compatible with Android™, Chrome, and Windows® mobile operating systems.
1 GB = 1,000,000,000 bytes. Actual user capacity less.
Contact Information
For all inquiries, please email:
oemproducts@wdc.com
For more information, please visit:
www.sandisk.com
© 2017 Western Digital Corporation or its affiliates. All rights reserved.
SanDisk and iNAND are registered trademarks or trademarks of Western
Digital Corporation or its affiliates in the US and/or other countries. All other
marks are the property of their respective owners.
Western Digital Technologies, Inc., is the seller of record and licensee in the
Americas of SanDisk® products.
PB03-iNAND-8521-EN-US-1117-01
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