SD/Micro SD Card
Model: KN5000128GB
Product Features:
Up to 512GB large storage capacity available
Next-generation A2 performance for faster loading
Tested under multiple rigorous conditions, ensuring high reliability and compatibility
Waterproof, shockproof, vibration-resistant, and X-ray-proof design
High-speed read/write performance, with sequential read speeds up to 170 MB/s and sequential write speeds up to 150 MB/s
Product Applications:
Laptops, PCs, Gaming Devices, Main Drives, Etc
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Properties | Model | KN5000128GB |
Capacity | 4GB–512GB | |
Interface | SD 6.1 | |
Speed Level | 16GB: V10/U1/C10; 32GB: V10/A1/C10; 64GB–512GB: V30/A1/C10 | |
Performance | Sequential Read Speed | Up to 170 MB/s |
Random Write Speed | Up to 150 MB/s | |
Environment | Operating Temperature | 0°C–70°C |
Storage Temperature | -25°C–85°C | |
Operating Voltage | 2.7V–3.6V |
Reliable High-Speed Performance: Experience smooth and efficient data transfer with read speeds up to 170MB/s and write speeds up to 150MB/s. Perfect for capturing high-resolution photos, Full HD videos, and quick file transfers without delays.
Advanced SD 6.1 Technology: Designed to meet the latest SD standard, KOONEW SD/Micro SD Card delivers enhanced speed, stability, and compatibility. Whether for professional photography, videography, or everyday use, it ensures a seamless storage experience.
Ample Storage Capacity: Available in capacities up to 512GB, providing enough space to store thousands of high-quality images, hours of Full HD/4K footage, and all your essential files without worry.
Durable and Reliable: Engineered for use in any environment, the KOONEW SD/Micro SD Card operates reliably in temperatures ranging from -25°C to 85°C. Built to withstand everyday wear, it is shockproof, waterproof, and durable for long-term use.
Peace of Mind: Backed by KOONEW’s quality assurance, this card ensures stable performance and secure storage so you can focus on capturing every important moment without concerns about data loss.

Specification Download
FAQ
What are the different types and sizes of Micro SD cards?
Micro SD cards come in three main formats
MicroSD: Up to 2GB capacity.
MicroSDHC (High Capacity): 2GB to 32GB.
MicroSDXC (eXtended Capacity): 32GB to 2TB.
MicroSDUC (Ultra Capacity): Up to 128TB (newer but less commonly available).
What do the speed classes (Class 10, UHS-I, V30) mean on a Micro SD card?
Speed classes indicate the minimum write speed
Class 10: Minimum 10 MB/s.
UHS (Ultra High Speed): U1 = 10 MB/s, U3 = 30 MB/s.
Video Speed Class: V10, V30, V60, and V90, where V30 (30 MB/s) is suitable for 4K video.
How can I check if a Micro SD card is compatible with my device?
Check the device’s specifications for supported Micro SD card types (e.g., MicroSDHC, MicroSDXC) and maximum capacity. Using a card with a higher capacity than supported may result in errors.
Why is my TF card not recognized by my device?
The card may be incompatible, corrupted, or improperly inserted. Try it in another device to confirm if the issue is with the card. If not recognized, you may need to format it.
How do I format a memory card?
Most devices offer an option to format the card within their settings. Alternatively, connect it to a computer and use the disk management or format tool, choosing a file system compatible with your device (e.g., FAT32, exFAT).