The Storm Speeder was developed by Belisarius Cawl as part of the Primaris Project, combining the ancient technologies of Arkhan Land with the brute force of Repulsor technology. Although they look like land speeders and perform a similar function, storm speeders are larger and more heavily armed without compromising maneuverability.
Storm Speeders come in three patterns, each of which is equipped with a blistering array of heavy weaponry designed to eliminate a particular type of enemy. 
- Storm Speeder Hailstrike - An anti-barricade and infantry variant[2a], armed with an Onslaught Gatling Cannon, two Ironhail Heavy Stubbers, and a pair of Fragstorm Grenade Launchers.
- Storm Speeder Hammerstrike - An anti-armour and anti-bunker specialist variant, armed with tank-busting missiles, grenades, and a tri-barrelled melta.
- Storm Speeder Thunderstrike - An anti-tank and anti-aircraft specialist variant, armed with twin Icarus Rocket Pods.
- 1: Warhammer Community: The Codex Show (Posted on 12/09/2020) (Last accessed on 12 September 2020)
- 2: Codex: Space Marines (9th Edition) pg.39
- 2a: pg.170
|Primaris Space Marine Forces|
|Command||Captain • Lieutenant • Chapter Ancient • Bladeguard Ancient • Company Ancient • Chapter Champion • Company Champion|
|Specialists||Librarian (Vanguard Librarian) • Apothecary (Helix Adept) • Chaplain (Judicar) • Techmarine|
|Veterans||Bladeguard Veterans • Company Veterans • Veteran Intercessors • Veteran Assault Intercessors|
|Battleline||Intercessor Squad (Heavy Intercessor) • Infiltrator Squad|
|Close Support||Assault Intercessor Squad • Inceptor Squad • Reiver Squad • Incursor Squad|
|Fire Support||Hellblaster Squad • Eradicator Squad • Aggressor Squad • Eliminator Squad • Suppressor Squad • Firestrike Servo-turret • Hammerfall Bunker|
|Walkers & Vehicles||Redemptor Dreadnought • Outrider Bike • Invader • Invictor • Impulsor • Gladiator • Repulsor • Repulsor Executioner • Storm Speeder • Astraeus|
|Aircraft||Overlord • Drop Pod|