SanDisk iNAND ® Series of Embedded Flash Drives (EFDs) and OEM microSD ™ card

‍SanDisk iNAND ®  Series of Embedded Flash Drives (EFDs) and OEM microSD ™ card

Core background and competitive advantages of the enterprise

SanDisk is a global leader in flash storage solutions, with comprehensive core advantages in embedded and integrated storage. It is a core partner of leading mobile device and chip manufacturers worldwide, with the following core advantages:

Technology and experience: With decades of innovative accumulation in the flash memory industry, possessing professional capabilities in system level architecture design, and a deep understanding of various storage application scenario requirements;

Ecological Cooperation: All leading smartphone and tablet manufacturers adopt their flash memory products, establish deep cooperation with global leading chipset suppliers, and collaborate with device manufacturers, system vendors, application developers, and other full ecosystem partners to optimize products;

Capacity and Mode: Collaborate with Toshiba to build a world-class wafer fab, relying on a vertically integrated business model to significantly shorten the cycle from research and development to mass production. It can quickly provide OEM customers with flash optimized hardware and software, with high-density and low-cost characteristics;

Standard setting: Actively participate in industry organizations such as JEDEC and SD Association, and play a core role in the standard setting of the mobile computing storage industry.

Core Product System: iNAND ®  Embedded Flash Drive (EFD)

INAND is a core embedded storage product of SanDisk, which adopts the industry standard e.MMC interface and is easy to integrate. It can achieve the combination of high storage capacity and cutting-edge performance, adapt to the needs of multiple price ranges, and has three core models: 7350/7232/7250. They are designed for different scenarios and are all equipped with e.MMC 5.1 HS400 interface. The small-sized design can meet the strict requirements of mobile, industrial and other fields.

（1） Core features and positioning of three models

INAND 7350: A high-performance model using 3D NAND flash technology, with capacities ranging from 32GB to 256GB, designed specifically for today's high demand mobile applications, suitable for high-resolution shooting and VR content storage needs of smartphones and tablets;

INAND 7232: Equipped with second-generation SmartSLC technology, it can significantly improve continuous write speed, achieve smooth recording of 4K and UHD videos, with a capacity of 16GB-128GB, suitable for mobile/commercial devices with high video recording requirements;

INAND 7250: Commercial grade product with core advantages of high reliability and durability, adaptable to various complex industrial operating environments, with capacities ranging from 8GB to 64GB, making it an ideal choice for industrial/IoT applications.

（2） INAND full range specifications and ordering information

Model Capacity Range Package Size (mm) Corresponding Part Number

iNAND 7350 32GB-256GB 32GB:11.5x13x0.8

64GB/128GB:11.5x13x1.0

256GB:11.5x13x1.2 32GB:SDINBDD4-32G

64GB:SDINBDD4-64G

128GB:SDINBDD4-128G

256GB:SDINBDD4-256G

iNAND 7232 16GB-128GB 16GB/32GB:11.5x13x0.9

64GB:11.5x13x1.0

128GB:11.5x13x1.2 16GB:SDINADF4-16G-L/H

32GB:SDINADF4-32G-L/H

64GB:SDINADF4-64G-L/H

128GB:SDINADF4-128G-L/H

iNAND 7250 8GB-64GB 8GB:11.5x13x0.8

16GB/32GB:11.5x13x1.0

64GB:11.5x13x1.2 8GB:SDINBDG4-8G

16GB:SDINBDG4-16G

32GB:SDINBDG4-32G

64GB:SDINBDG4-64G

（3） INAND Core Advantages

Excellent read and write performance, achieving faster file transfer, system startup, and application startup;

Under the small-sized design, the capacity covers 8GB-256GB, which is suitable for the miniaturization needs of devices;

Widely applicable scenarios, covering multiple fields such as mobile, industrial, and automotive;

Industry standard interface significantly reduces the difficulty and cycle of equipment integration.

Core Product System: OEM microSD ™ card

SanDisk OEM microSD cards are reliable edge storage for the connected world, available in multiple models covering different speed levels and capacities, meeting the storage needs of monitoring, drones, smartphones, vehicles, and other scenarios. The full range of operating voltages is 2.7V-3.6V, and the operating temperature is -25 ℃ -85 ℃, suitable for harsh environmental requirements.

（1） Core models and positioning

SanDisk Edge ™  microSD ™ Card: a commercial grade product that uses 3D NAND storage technology to meet stringent security, capacity, performance, and environmental requirements. It has a capacity of 16GB-256GB and can store up to 60 hours of full HD video. It is suitable for commercial edge storage scenarios such as surveillance, driving recorders, and drones;

SanDisk OEM A1 microSD ™ Card: Compliant with the SD 5.1 specification of the SD Association's Application Performance Class 1 (A1) performance requirements, with a maximum capacity of 256GB, it can be used as built-in storage for smartphones to achieve capacity expansion, speed improvement, and optimize the mobile phone user experience.

（2） Full range specifications of microSD cards

Speed level, part number, prefix, capacity range, interface NAND technology, read-write performance (MB/s)

U3/V30 SDSDQAE 32GB-128GB UHS-I 104 1Znm 3D NAND read up to 80/write up to 50

Class10 SDSDQAD 8GB-256GB (200GB/256GB separate columns) UHS-I 104 1Znm 256GB: read 95/write 10

200GB: Read 80/Write 10

8GB-128GB: Read 40/Write 10

Class4 SDSDQAB 8GB-64GB UHS-I 50 1Znm read maximum 20/write maximum 5

（3） MicroSD card core advantages

Scalable storage: providing flexible capacity upgrade solutions for various devices;

High data security: with reliable data protection capabilities, suitable for the data storage needs of commercial scenarios;

Strong video recording capability: high-capacity, high-speed versions support long-term, high-resolution video recording;

Good environmental adaptability: wide temperature range and wide voltage design, suitable for complex environments such as vehicle and industrial use.

Overall application areas of the product

SanDisk's embedded storage products (iNAND+OEM microSD) cover four core areas: mobile computing, industrial/IoT, automotive, and smart home. They are also compatible with commercial edge storage scenarios such as monitoring and drones, meeting the high-performance requirements of high-end smartphones, the high reliability requirements of industrial equipment, and the harsh environmental requirements of in vehicle and monitoring. They provide customized storage solutions for the entire ecosystem of devices.