Solid state recorder

Reliable data storage

Flexible and customizable interfacing

High performance

PDHU Features

DSI PDHUs sup­port high data rate pay­loads and teleme­try with high capac­i­ty stor­age, to pro­vide reli­able, long term data stor­age in-orbit.



  • Data Stor­age and Trans­mis­sion
  • Encryption/Compression
  • File Man­age­ment
  • CFDP-Sup­port
  • File Sys­tem or Pack­et Store
  • Sin­gle Point Fail­ure Free


DSI’s PDHUs come in a wide range of per­for­mance capa­bil­i­ties, to tai­lor the sys­tem to your needs.



  • Stor­age Capac­i­ty: 1–8 Tbit
  • Data Rates: Up to 5 Gbps
  • Wiz­ardLink, Eth­er­net (100/1000), Space­Fi­bre, SpaceWire, MIL-STD-1553B, etc.
  • Com­pact Vol­ume from 260 x 133 x 224 mm³
  • Low Pow­er from 12 W – 35 W
  • Expand­able for high­er per­for­mance

Box level PDHU

Option 1 / 3

Avail­able as a ful­ly inde­pen­dent unit in an enclo­sure, ready to be inte­grat­ed in your space­craft

Board level PDHU

Option 2 / 3

Also avail­able as a board lev­el prod­uct to be inte­grat­ed into your exist­ing enclo­sure (i.e. cPCI-SS)

Future Capabilities

Option 3 / 3

Data rates up to 20 Gbps and 48 Tbit in the next gen­er­a­tion of PDHU prod­ucts from DSI

Our Spe­cial­i­ty

Radiation Testing

DSI’s radi­a­tion up-screen­ing capa­bil­i­ties: Ensur­ing com­po­nent reli­a­bil­i­ty. Spe­cial­ized in mem­o­ry devices and FPGAs for clas­sic and new space – for a bet­ter space.

 Also interesting: Other product groups

On-Board Computers

Rev­o­lu­tion­ize Space Mis­sions with DSI’s High-Per­for­mance Onboard Com­put­ers.

Data Processing Units

Max­i­mize Data Han­dling with DSI’s Space-Grade Data Pro­cess­ing Units.

Instrument Control Units

DSI’s Instru­ment Con­trol Units: Pre­ci­sion and Reli­a­bil­i­ty for Supe­ri­or Space Mis­sions.

Ground Support Equipment

DSI’s Ground Sup­port Equip­ment: Unri­valed Reli­a­bil­i­ty for Earth-Space Link.

Do you have any questions?

Feel free to contact our team!