Home > Industry Information > Microfund SLC TF Card And Microsd Define Industrial-Grade Storage Benchmarks With Hard Core Capabilities
In harsh environments such as industrial automation, vehicle electronics, and medical equipment, the reliability of storage media often determines the stable operation of the system.The industrial-grade WT Grade SLC microSD card (MKUS001G-IXKU2: 1GB) launched by MK is based on the inherent advantages of SLC flash memory and integrates multiple hard-core technologies to provide solutions for data storage under extreme working conditions.

1. SLC flash memory: using genetic advantages to combat industrial challenges
Different from ordinary consumer-grade storage, this card uses SLC (single-layer cell) flash memory architecture. A single unit only stores 1 bit of data. It is inherently characterized by long erasing and writing life and stable data transmission.Documents show that its erase and write endurance reaches 100,000 times, which is more than 10 times that of ordinary MLC flash memory.This means that in scenarios where industrial equipment frequently reads and writes (such as real-time data recording of CNC machine tools and periodic data storage of smart meters), it can avoid storage failures with more durable performance and reduce the risk of equipment downtime from the underlying architecture.

Type | SLC | MLC | TLC | QLC |
structure | single layer storage unit | Double layer storage unit | Three-tier storage unit | Four levels of storage unit |
Single Cell stores data | 1bit | 2bit | 3bit | 4bit |
Theoretical number of erases | 6~100,000 times | 3000 - 5000 times | 500 - 3000 times | 100~1000 times |
Purpose | Enterprise-level high-end scenarios | High-end household products | Mainstream household products | Future low-end mainstream |
The biggest feature | Stable, long life, fast reading and writing, extremely high cost | More stable, balanced life/performance, lower cost than SLC | High cost performance (large capacity, low cost, sacrificing lifespan/speed) | Huge capacity, extremely low cost, and the weakest lifespan/performance (the technology needs to be perfected at this stage) |
Working principle supplement | There are only two voltage states of 0/1 in a single unit. The voltage can be directly identified when reading and writing, which is simple and efficient. | A single unit stores four voltages 00/01/10/11, which requires more complex voltage identification logic. | A single unit stores 8 voltage states (corresponding to 3bit data), and the voltage control accuracy is higher | A single unit stores 16 voltage states (corresponding to 4bit data), and voltage control is extremely complex. |
2. Survival experts in extreme environments: persist in the entire temperature range from -40°C to 85°C
There is no shortage of industrial scenes. Extreme tests: low-temperature freezing damage to outdoor equipment in northern winter, high-temperature baking next to industrial furnaces, salt spray erosion of coastal equipment... This microSD card breaks through the boundaries with its full temperature range adaptability:
Temperature resistance:The working temperature covers - 40℃ to 85℃, and the storage temperature is also within this range. Whether it is Arctic scientific research equipment or desert oil field monitoring system, it can read and write stably;
Protection ability:It has passed the long-term operation test in a 95% humidity environment, and even has 1.5-meter free fall resistance and ±15kV electrostatic discharge protection (IEC 61000-4-2 standard), eliminating moisture, vibration, static electricity and other hidden dangers in the industrial environment.
3. The golden balance of performance and reliability: more than stability
In industrial-grade storage, enough is never the end point.This card combines efficiency and compatibility with dual speed modes:
Regarding the data storage and performance of MK-Microfund industrial grade WT Grade SLC series microSD card (model: MKUS001G-IXKU2, capacity 1GB):
Verified by technical parameters, itsEndurance of erasing and writing up to 100,000 times, data retention period up to 10 years, this indicator relies on the stable characteristics of industrial-grade SLC flash memory and has passed stringent tests such as temperature cycle, humidity tolerance and standby stability to ensure long-term data integrity and reliability under no power supply.It is suitable for industrial automation, medical equipment, IoT terminals, vehicles, tracks, outdoor monitoring and other fields that require long-term data storage.
In terms of transmission performance, itsHigh speed mode (HS) supports sequential reading 20MB/s and writing 10MB/s, this indicator can fully meet the needs of real-time data collection of industrial sensors, image transmission of medical equipment, rail transit monitoring systems and other scenarios.High-speed real-time data interaction requirements, while ensuring long-term storage, achieving efficient data flow in industrial-grade applications.

More importantly, it is equipped with Global Wear Leveling and ECC error checking technology, which optimizes flash memory particle loss through algorithms and corrects bit errors in data transmission in real time, so that high speed and reliability are no longer in conflict.
4. Industrial-grade detailed design: The reliability of the product is hidden in the details.
Working mode:Supports SD mode and SPI mode, Dat2/Dat3 and other pins have both data transmission and card detection functions, adapting to different industrial host interfaces;
Power consumption control:The standby current is as low as 70μA (average) and the operating current is 30mA (average), which can extend battery life in low-power devices such as IoT sensors;
Capacity selection:Available in multiple specifications from 128MB to 1GB, it meets both lightweight storage requirements for small devices and industrial logging with medium data volumes.With precise technical adaptation, differentiated page size designs are adopted for different storage capacities: 128MB and 256MB capacity versions are equipped with 2KB page sizes, while 512MB and 1GB capacity versions are equipped with 4KB page sizes.This precise configuration can significantly reduce the generation of storage fragmentation in high-frequency writing scenarios of small documents, reduce the number of data erasures, improve writing efficiency from the underlying architecture, ensure fast and stable storage of massive fragmented data, and make data interaction with industrial equipment smoother and more efficient.
Part Number | Capacity | Actual Size | Speed Class | Flash Type | Page Size |
128MB | 119MB | C4 | SLC | 2KB | |
256MB | 238MB | C4 | SLC | 2KB | |
512MB | 476MB | C10 | SLC | 4KB | |
1024MB | 952MB | C10 | SLC | 4KB |
5. From production lines to deep-sea exploration: making reliability the industrial standard
In the 24×7 data flood of smart manufacturing, in the high-temperature working conditions of new energy vehicle battery management systems, and in the challenges of marine scientific research equipment against corrosive media, MK Founder industrial-grade SLC microSD cards are deeply integrated into various industrial scenarios with stringent automotive-grade standards.Its product positioning of Industrial WT Grade not only defines its functional attributes as a storage medium, but also establishes its core value as a data guardian for industrial equipment in extreme environments.
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