PR4 Series

PR4 SERIES

Engineered with cutting-edge radiation-hardened technologies, the PR4 series SSD guarantees steadfast data integrity and reliable performance, even in the most demanding conditions. With unparalleled radiation tolerance, the PR4 SSD is the ideal choice for aerospace and mission-critical deployments, ensuring confidence in every operation.

PCIe 4.0

NVMe 1.3

Interface

176-layer 3D TLC

NAND Flash

Rad-Hard

Design

Up to

15.36TB

Capacity

Up to

3,500MB/s

Sustained performance

Radiation-Hardened Reliabilitty

The PR4 SSD integrates Exascend’s Neutron Shield 2.0, 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

Exascend’s PR4 U.2 and E1.S models consume <7.5W at 3GB/s, <1W at idle, over 50% less than other market solutions. Maximize power for scientific instruments and payloads, enhancing mission 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, Exascend has engineered a bespoke firmware architecture that seamlessly unites advanced hardware and innovative design. This empowers flash storage, providing tailored solutions for success.