Kioxia QLC UFS 4.0 chip in a close-up view.

Kioxia Unveils High-Speed QLC UFS 4.0 Flash Memory for Next-Gen Devices

Kioxia has launched mass production of its cutting-edge QLC UFS 4.0 flash memory, delivering unprecedented storage speed and capacity tailored for ultra-portable devices and high-performance systems. This innovation promises to revolutionize data storage with its combination of speed, efficiency, and robust security features.

Key Features and Specifications

1. Speed and Efficiency

The QLC UFS 4.0 device offers blazing-fast sequential read speeds of up to 4,200 MB/s and write speeds of up to 3,200 MB/s. Leveraging the UFS 4.0 interface, which supports speeds of up to 46.4 Gbps per device, this technology is ideal for applications requiring rapid data processing, including AR, VR, AI, and high-end mobile devices.

2. Advanced Storage Technology

Built with quadruple-level cell (QLC) technology and Kioxia’s proprietary BiCS FLASH 3D memory, the device provides higher bit density and increased storage capacity. This makes it ideal for compact devices like smartphones and tablets, as well as PCs and networking systems.

 

Kioxia QLC UFS 4.0 chip in a close-up view.

 

3. Enhanced Startup and Compatibility

The device features a High-Speed Link Startup Sequence (HS-LSS), accelerating device initialization by 70% compared to conventional methods. It’s also backward-compatible with UFS 3.1, offering an upgrade path for existing systems.

4. Security and Data Protection

Equipped with Advanced Replay Protected Memory Block (RPMB) features, the QLC UFS 4.0 safeguards sensitive user data. Additionally, the RPMB Purge functionality ensures thorough data sanitization when needed.

5. Optimized for Multitasking

With support for Extended Initiator ID (Ext-IID) and Multi Circular Queue (MCQ) in the UFS 4.0 host controller, the device boosts random performance. This ensures faster and more efficient handling of complex workloads across multiple applications.

Applications

The QLC UFS 4.0 device is designed to meet the needs of data-intensive applications, including:

  • High-end smartphones and tablets.
  • PCs requiring compact, fast storage solutions.
  • AR, VR, and AI platforms demanding rapid data processing.

A Step Forward in Storage Technology

Kioxia’s QLC UFS 4.0 sets a new benchmark for embedded flash memory, offering a seamless blend of speed, capacity, and advanced security. As digital devices evolve, this innovation ensures that users can handle larger data loads effortlessly, making it a key player in the future of portable and high-performance computing.