Tesla's Hardware 4: Unraveling the Mystery Behind the Most Advanced FSD Computer

By Kevin Armstrong
Tesla may have multiple versions of FSD hardware 4.0
Tesla may have multiple versions of FSD hardware 4.0

Since its introduction, Tesla's Hardware 4 (HW4), the company's most advanced full self-driving computer, has been shrouded in mystery. Renowned Tesla hacker @greentheonly, or Green, has uncovered more details about HW4, providing valuable insight into its technology.

2-SOC Version and Camera Layouts

Green's analysis of firmware samples led to the discovery of the shipping version of HW4, internally referred to as the 2-SOC (System on a Chip) version. This version supports two possible camera layouts: the current one or an expanded one with added surround-view cameras, such as a front bumper camera and two additional side cameras. These cameras can run at a resolution of 2880x1876 and reach up to 45 frames per second. The main and backup cameras have unique specifications, with the vendor yet to be determined.

The new Global Navigation Satellite System (GNSS) is reportedly based on the Teseo V platform, while the radar system connects via Ethernet and operates on an internal IP address of

Initial HW4 Camera Connectors and New Cameras

Initially, Green revealed HW4 with 12 camera connectors, and new cameras were expected to be used in HW4 vehicles. However, the first vehicles with HW4, specifically the Model S and Model X, have the new hardware but do not include the new cameras. As previously reported in our Project Highland article, Tesla plans to add a new camera to the bumper and one more to each side of the vehicle.

Two HW4 Setups and the 3-SOC Version

Green's latest findings show two HW4 setups: one with additional cameras and one without. Additionally, Green's firmware analysis has uncovered the existence of a 3-SOC version in development. The camera layouts for this version remain the same, but the internal deserializing routing differs.

Increased heat output from the GPU in HW4 has possibily led to limitations in its capabilities. The 3-SOC version could potentially address this issue by offering better heat dissipation or paving the way for new hardware. However, the exact purpose and development of the 3-SOC version remain uncertain at this time.

Tesla Semi Truck-related Findings

In another intriguing development, Green's firmware analysis revealed information related to Tesla's Semi truck, with the Battery Management System (BMS) and all three subpacks accessible over an internal ethernet network.

These discoveries by @greentheonly provide a comprehensive understanding of the advanced technology behind Tesla's HW4. As the most advanced full self-driving computer on the market, its potential applications and capabilities are undoubtedly exciting for the automotive industry and consumers.

As Tesla continues to develop and refine its full self-driving technology, it is crucial to address questions about its safety, functionality, and integration with existing systems. The world eagerly awaits further developments in the cutting-edge HW4 and the autonomous driving experience it promises to deliver.

Sweet Move: Tesla Shifts from Creating EVs to Making Candy

By Karan Singh
Not a Tesla App

Tesla has filed four new trademarks recently, according to the US Patent and Trademark Office. These trademarks aren’t exactly what you’d expect from Tesla – they’re not for cars, not for batteries, and not for any cool new software features.

They’re for sweet, sweet, candy!

Candy Trademarks

Tesla has filed 4 distinct trademarks in its filings with the USPTO, for the following four names.

  • Supercharged Gummy

  • Cyberberry

  • Mango Bolt

  • Dog Mode Chill

The trademarks don’t come with any particular logos, art, or renderings, or it doesn’t reveal anything besides the names of the candy or candy-like items. Tesla filed these trademarks last month on June 25th.

While we’re not quite sure exactly what type of candies these will be, there is one thing we can knock off the bat – given how premium Tesla’s food products have been, these will likely include high-quality ingredients with a matching price point.

Elon Musk previously hinted that he wanted to start a candy company, and claimed he was super serious. Given his usual 2-week timeline, starting it 7-years later under Tesla seems fairly fitting. Jokes aside, we hope that the candies will launch sometime before the Tesla van, otherwise you can expect some more jokes on that front.

Tesla is well known for designing and selling non-vehicle merchandise. In the past, they’ve sold a glass decal that makes your window look like it was shattered with a metal bearing, Tesla Tequila, the Cybertruck whistle and many others.

Maybe we’ll hear more about Elon’s candy ambitions during Tesla’s upcoming earnings call, which will be taking place this coming Tuesday, July 23rd.

Tesla Looking to Hire 800 New Employees After Recent Layoffs, Large Focus on Energy

By Karan Singh
Not a Tesla App

Just three months after Elon Musk fired the entire Supercharger team, and laid off many employees at Tesla, the company is now looking to hire 800 new employees.

This comes after many members of the Supercharger team were hired back after their initial layoffs.

New Hirings

Tesla’s careers page now has more than 800 open positions today, and positions go from anywhere between engineers for artificial intelligence or batteries, ADAS testers in local communities, or service and desk employees for service centers.

Most of the new jobs focus on engineering positions, and many positions in Legal Affairs, Business Support, and vehicle software positions have not been posted or renewed. Those sections remain empty, at least in North America.

Tesla Energy Focus

Interestingly, quite a few of the new positions focus on Telsa Energy and its role in the company. There are several positions for supporting the deployments of Powerwall and Megapack, as well as doing further engineering work on these types of stationary battery systems.

Just recently, Tesla secured a $375 million Megapack contract in Australia – to build one of the biggest 4-hour battery banks in the world. This comes just days after the announcement of a $256 million Megapack contract to expand a different Australian facility.

We’re expecting Tesla to bank more towards its energy business – which has really just started getting off the ground with recent factory expansions and new business. Tesla Powerwall also recently hit some spectacular milestones – 100MW in California delivered to the grid, and 200,000 hours of backup power after Hurricane Beryl in Texas.

Powerwall and Megapack are going to be defining features of Tesla’s business – and we hope to see Tesla Solar – both Solar Panels and Tesla’s Solar Roof, also become more available to the mass market, just like Powerwall is today.

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