PR4 Series

The PR4 series is the first COTS-based radiation-tolerant storage solution purpose designed for extended Low Earth Orbit (LEO) missions. Unlike commercial products that are vulnerable to radiation damage, the PR4 SSD thrives in harsh conditions. Integrating ultra-reliable COTS components with Exascend’s self-healing firmware, PR4 ensures resilience against radiation exposure and continuous operation, making it ideal for aerospace and mission-critical deployments. Product Specs and Datasheet →

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PCIe 4.0
NVMe 1.4

Interface

3D TLC

NAND Flash

Rad-Tolerant

Design

Up to

0 TB

Capacity

Up to

0 MB/s

Sustained performance

Flash Storage Tailored for Radiation-Intense Environments

Radiation-Tolerant Reliability

The PR4 SSD integrates Exascend’s PhoenixCore, ensuring advanced radiation-induced bit flip correction and dual-copy firmware protection. In critical situations, the PR4 SSD seamlessly transitions into safe mode, autonomously resetting from fatal errors to ensure uninterrupted operations.

Low Power Consumption

With Exascend's proprietary technologies, the PR4 series SSD achieves maximum performance while drawing less than 9.6W of power, providing enhanced energy efficiency.

Optimized Thermal Management

Lower power consumption reduces heat generation, vital for missions where heat dissipation is challenging. Enhanced thermal management ensures component reliability in extreme conditions, crucial for prolonged space exploration and research.

Customizable Flash Storage Solutions

By collaborating with top-tier NAND flash manufacturers and SSD controller creators, we have engineered a bespoke firmware architecture that seamlessly unites advanced hardware and innovative design. This empowers flash storage, providing tailored solutions for success.

Featured Storage Technologies

Uncompromised Integrity and Reliability

Neutron Shield 2.0 offers advanced rad-hard technologies and enhanced error correction ensure data integrity. Our Dual Power Loss Protection (PLP) safeguards data during sudden power outages. Dual firmware image copies also ensure uninterrupted SSD operation, error resolution, or instances of firmware corruption.

Withstanding Humidity, Shock and Vibration

MIL-STD-810 rated for extreme environments, the PR4 SSD is built to withstand harsh conditions. It features conformal coating to shield against moisture and particles, while underfill technology reinforces BGA connections, preventing vibration failures.

Optimized Thermal and Write Performance

Leveraging Exascend's Adaptive Thermal Control™ and SuperCruise™ technologies, the PR4 SSD optimizes performance through intelligent thermal management and write endurance algorithms. This ensures sustainable peak performance across diverse environments.

Data Security and Encryption

With TCG Opal 2.0, AES-256 encryption, secure erase, pre-boot authentication (PBA), and tamper-proof firmware options, the PR4 SSD offers robust data protection, safeguarding sensitive information effectively.

Enhanced Power Efficiency

Our control in hardware, firmware and manufacturing allows unmatched power tuning services. Tailoring product performance for your applications achieves optimal performance-to-thermal and performance-to-power ratios.

Wide Temperature

Exascend’s wide temperature technology leverages a unique combination of high-quality components, purpose-designed hardware and highly-optimized firmware to deliver unmatched wide temperature performance and stability.

Recommended Applications

Aerospace and Mission Critical

Edge computing in a hyper-modern smart city

Edge Computing and IoT

Industrial

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