RPS4-SVPX 4-Slot SpaceVPX Chassis

It provides a modular, standards-based platform that simplifies integration while supporting scalable, future-ready architectures.

Part of Frontgrade’s MAMBA family, the RPS4-SVPX is built on a standards-based VPX architecture, allowing systems to scale from proliferated LEO constellations to Class A national asset missions and operate across orbital domains from vLEO through cislunar space. The chassis supports up to four 3U SpaceVPX cards within a compact footprint.

Recognizing that a standard backplane will not meet every mission need, the RPS4-SVPX features a flexible chassis design with mission-specific backplane options. This approach enables tailored configurations while maintaining the benefits of a common platform. The integrated backplane provides high-speed data connectivity, power distribution, and system management across all slots while maintaining signal integrity in harsh conditions.

The RPS4-SVPX supports PCIe, Ethernet, and high-speed SERDES fabrics, along with timing and synchronization capabilities.Top of Form

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Key Features

• Compact form factor: 266 x 246 x 109 mm (L x W x H) 
• Nominal 1.4” slot pitch compliant with VITA 78 
• Estimated mass: 6.42 kg 
• Baseplate area: 65,436 mm² (101.43 in²) 
• Average thermal flux: 0.986 W/in² @ 100 W 
• 350 mil wall thickness using 6061 aluminum (radiation and flexible chassis design with mission-specific backplane options).