Application of Storage Technology in Data Centers
NAND Flash: The Main Storage Force in Data Centers
NAND Flash is the mainstream storage technology in current data centers, thanks to its high density, low cost, and large capacity, it has become the core storage medium for SSDs (Solid State Drives). In data centers, NAND Flash is mainly applied in:
SSD storage systems: As a high-performance, low-latency storage medium, it replaces traditional mechanical hard drives, significantly improving I/O performance
Cache layers: Serving as high-performance cache to accelerate access to hot data
Long-term storage: Providing reliable data storage solutions in cloud storage services
NAND Flash is categorized based on storage cell density into SLC, MLC, TLC, and QLC, where SLC (Single-Level Cell) has the highest performance and lifespan, commonly used in core storage for data centers; TLC and QLC are widely used in large-capacity storage scenarios with lower performance requirements due to their cost advantages.
NOR Flash: Key Storage in Embedded Systems
Although NOR Flash has limited applications in large-capacity storage in data centers, it plays an important role in the embedded systems of data center devices:
Server BIOS/UEFI: NOR Flash stores server boot code and firmware, supporting execute-in-place (XIP), ensuring quick system boot
Firmware for network devices: Storage of boot code and configuration information for routers, switches, and other network devices
Management modules: Code storage for management modules of data center devices, ensuring reliable operation
NOR Flash‘s parallel read feature gives it an irreplaceable advantage in scenarios requiring quick boot and code execution. Although its capacity is smaller (typically from a few MB to several hundred MB), it is crucial for the reliable operation of data center devices.
EEPROM: Key Storage for Device Configuration and Calibration
EEPROM is mainly used in data centers to store a small amount of critical configuration data:
Device calibration parameters: Storage of calibration data for hardware such as servers and network devices
System configuration information: Device operating parameters, network configurations, etc.
Security keys: Storage of security-related key information for devices
The byte-level erase feature of EEPROM makes it particularly suitable for storing small data that needs frequent updates, such as device calibration parameters and configuration information, ensuring that data center devices can quickly adjust and optimize during operation.
Puran Technology Co., Ltd.
Company Overview
Our company is a high-tech enterprise focused on the research and sales of non-volatile storage chips and derivative chips. With the advantages of ultra-low power consumption and high reliability, we have become one of the important suppliers in the global NOR Flash and EEPROM fields. Upholding the vision of “Puran’s Core, Benefiting the World,” Puran Technology continues to delve into storage chip technology, promoting the implementation of the “Storage+” strategy, constantly expanding the boundaries of product applications.
Core Business Layout
Puran Technology’s core business focuses on the field of non-volatile storage chips, with main products including NOR Flash and EEPROM, as well as microcontrollers (MCUs) and analog products based on storage technology. The company adopts a dual-process collaborative technology route of SONOS and ETOX, constructing a complete product matrix covering a full capacity range from 512Kbit to 1Gbit.
In the field of NOR Flash, Puran Technology has achieved mass production of 4Mbit-128Mbit products using 40nm SONOS technology, with significant cost advantages. Its NOR Flash products have passed the AEC-Q100 reliability certification, successfully introduced into pre-installed automotive navigation and central entertainment scenarios, laying the foundation for growth in the automotive electronics business. Meanwhile, the full-capacity ETOX NOR Flash series has also passed automotive certification, further expanding the automotive application market.
EEPROM product line maintains a leading position in the smartphone camera module market while continuously expanding in industrial control and automotive fields. The company’s 1.2V ultra-low voltage EEPROM products have achieved mass production, meeting the demands for ultra-low voltage and high-speed modes, and its automotive EEPROM products have passed AEC-Q100 Grade1 certification, being delivered in bulk for applications such as body cameras and in-vehicle central control.
“Storage+” Strategy: Building a Diversified Growth Engine
In 2021, Puran Technology launched the “Storage+” strategy, actively expanding into the MCU and analog chip fields, leveraging storage technology advantages to extend into higher value-added areas. In the MCU field, the company has mass-produced over a hundred models of 32-bit general-purpose MCUs based on the ARM Cortex-M core, covering various fields such as smart home, motor control, and industrial automation.
Among them, the M0+ series products have a deep sleep power consumption as low as 0.7μA, providing an ideal solution for ultra-low power application scenarios; the M4 series, with high-speed ADC, multiple PWM channels, etc., has received high recognition from customers in scenarios such as stage lighting control and TFT screen driving. The company collaborates with Keil/IAR to improve the development ecosystem, launching the PY Studio graphical tool and the new version of the Starkit development board, significantly enhancing customer development efficiency.
In the field of analog products, the OIS VCM Driver product line is well laid out, supporting both traditional and emerging OIS solutions, meeting the needs of smartphone and security customers. The company collaborates with motor manufacturers to prepare for future market growth.
Technological Innovation
Puran Technology continues to increase R&D investment, with R&D expenses reaching 148 million yuan in the first half of 2025, a year-on-year increase of 32.76%. The company has obtained 194 patents, including the recently acquired invention patent for “HSA Pin Resistance Value Selection Method, Device, and Computer-Readable Storage Medium” (Patent No. CN202411921613.9).
This patent focuses on improving the efficiency of serial presence detection hubs (HSA) by embedding non-volatile memory in the HSA, persistently saving the optimal HID information that can operate normally at low, normal, and high temperatures, achieving automation of the testing process, significantly shortening testing time, and improving testing accuracy and reliability. This technology can be widely applied in smartphones, tablets, laptops, automotive electronics, industrial control, and other fields, bringing revolutionary improvements to chip testing efficiency.
Global Layout and Customer Ecosystem
Puran Technology is vigorously promoting its international strategy, having established representative offices in Japan, South Korea, the United States, and other locations, successfully onboarding several well-known major clients. The company’s products are widely used in renowned domestic and international brands such as Samsung, OPPO, vivo, Xiaomi, Lenovo, HP, Amazon, Midea, etc., while also establishing stable partnerships with several automotive clients in the automotive electronics field.
In the automotive electronics field, Puran Technology has achieved breakthroughs in the application of NOR Flash and EEPROM products in automotive-grade applications. NOR Flash products have passed AEC-Q100 certification, applied in automotive navigation and central entertainment systems; EEPROM products have passed AEC-Q100 Grade1 certification, being applied in bulk for scenarios such as body cameras and in-vehicle central control, with the revenue share of automotive electronics products continuously increasing.
The company is also actively expanding into emerging markets such as industrial control and photovoltaics, with product applications covering multiple dimensions including consumer, industrial control, photovoltaics, and automotive, effectively enhancing its influence in the global market.
Business Highlights and Market Breakthroughs
In 2024, Puran Technology achieved revenue of 1.8 billion yuan, a year-on-year increase of 60%; net profit reached 293 million yuan, turning losses into profits.In the first half of 2025, the company’s total operating revenue reached 907 million yuan, a year-on-year increase of 1.19%, setting a historical high. The effectiveness of the “Storage+” strategy is significant, with MCU and analog products becoming new engines of growth, building a long-term growth moat for the company.
In terms of market expansion, Puran Technology has successfully onboarded several internationally renowned clients, continuously broadening its product application fields. Through continuous technological innovation and product iteration, the company enhances its market competitiveness, providing downstream customers with higher quality and more cost-effective storage solutions.
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