From Monoliths to Modularity: The Shift in Consumer Electronics

For decades, consumer electronics followed a trajectory toward increasing integration and miniaturization. Early desktop PCs were inherently modular: users could swap memory, storage, and expansion cards with a screwdriver. But as laptops and smartphones emerged, manufacturers sealed batteries, soldered SSDs, and glued displays to achieve thinner profiles and lower costs. This monolith design philosophy maximized product sales by making repairs difficult and upgrades nearly impossible. However, the tide is turning. Growing consumer frustration with planned obsolescence, rising repair costs, and environmental degradation has sparked a renewed interest in modularity. The modular concept is not nostalgic—it is a sophisticated response to modern needs. In the 2010s, Google’s Project Ara attempted to create a fully modular smartphone, with swappable cameras, batteries, and processors. Though the project was shelved, it planted a seed that later blossomed in products like the Fairphone and Framework laptop. These devices break hardware into discrete, standardized modules that connect via ports or connectors, allowing users to replace a broken screen without discarding the entire phone or upgrade a processor without buying a new laptop. This shift represents a fundamental philosophical change: from treating devices as disposable commodities to viewing them as long-term investments. The industry is also responding to regulatory pressure and consumer demand for transparency. Modularity offers a middle path between high performance and maintainability. While truly modular devices may sacrifice some thinness or cost efficiency, they gain resilience and adaptability. As manufacturing techniques improve and mezzanine connectors become more robust, modular design is moving from niche enthusiast circles to mainstream product lines. The transition is not merely technical; it is cultural. Users are beginning to see their devices not as sealed black boxes but as systems they can understand, repair, and personalize. This cultural shift, combined with economic and environmental imperatives, makes modularity an accelerating trend that will define the next generation of hardware design.

Sustainability and the Right to Repair: Why Modular Hardware Matters

The environmental case for modular hardware is overwhelmingly strong. Globally, electronic waste (e-waste) is the fastest growing solid waste stream, with over 62 million tonnes generated in 2022—only about 22% of which is properly collected and recycled. Most devices are discarded not because they are completely nonfunctional, but because a single component—a battery, screen, or charging port—fails, and repairing it costs almost as much as buying a new unit. Modular design directly addresses this problem by enabling localized replacement. A modular phone lets a user swap in a new battery in seconds, potentially extending the device’s life by three to five years. This reduces the demand for virgin raw materials, lowers carbon emissions associated with manufacturing, and decreases toxic waste from e-waste incineration. Beyond environmental benefits, modular hardware is deeply intertwined with the global Right to Repair movement. Advocates argue that consumers should have the legal and technical ability to repair their own devices, with access to spare parts, tools, and schematics. Modularity makes this right practical: when components are standardized and connectors are accessible, independent repair shops and DIY enthusiasts can easily perform repairs without specialized training or dangerous prying tools. Some jurisdictions are enacting repair-friendly laws, such as the European Union’s upcoming regulations requiring removable batteries in smartphones by 2027. Manufacturers like Fairphone and Framework have embraced this regulatory shift, publishing repair guides and selling spare modules directly to consumers. Moreover, modularity reduces the total cost of ownership. While the initial purchase price of a modular device might be slightly higher, the ability to upgrade a camera module or replace a deteriorating battery often costs far less than buying a brand-new device. The economic argument is compelling for both individuals and businesses, especially in sectors with large fleets of devices, such as healthcare, education, and logistics. Increasingly, procurement managers are choosing modular devices to meet sustainability reporting requirements and ESG targets. In this context, modular hardware is not just an environmental choice—it is a strategic business decision that aligns financial efficiency with ecological responsibility.

Modular Smartphones and Laptops: Redefining Personal Computing

Personal computing is perhaps where the modular trend is most visible and actionable. Two pioneer companies have proven that modularity can succeed in the consumer market: Fairphone and Framework. Fairphone, a Dutch social enterprise, has released several generations of modular smartphones. Its unique selling point is that virtually every key component—camera, speaker, battery, screen, USB port, even the main board—is user-replaceable with minimal tools. A broken screen can be swapped in under five minutes using a standard screwdriver, and the battery clicks out without prying or heating. Fairphone emphasizes ethical sourcing and longevity, offering software support for at least five years and continuing to sell spare parts long after a model is discontinued. The latest Fairphone models also feature improved performance and cameras, dispelling the myth that modular phones must sacrifice quality. On the laptop side, Framework has disrupted an industry dominated by soldered RAM and glued-in batteries. Framework laptops use a modular design with interchangeable expansion cards in the ports, so users can choose USB-C, HDMI, DisplayPort, or even custom storage modules. The mainboard is replaceable, the battery is easily accessible, and the keyboard, display bezel, and hinge are all user-serviceable. In 2023, Framework introduced the Framework Laptop 16, which takes modularity further with a customizable GPU module and an input deck that can be swapped for different keyboards, secondary displays, or even a five-button macropad. This level of modularity enables users to upgrade their machines year after year without replacing the entire chassis or screen. Beyond these pioneers, major manufacturers are slowly adopting modular elements. Many modern laptops now have upgradeable NVMe SSDs and RAM slots, and some smartphones have returned to expandable storage. The success of Framework has shown that there is a substantial market for repairable, upgradeable devices—a market that delights in the empowerment of rebuilding one’s own machine. However, modularity in personal computing faces technical challenges. Modules require connectors, which add bulk and potential failure points. Designing a laptop that is both thin and modular requires engineering excellence, but recent advances in connector design and internal thermal management have made it feasible. As consumers become more aware of the costs of non-repairability—both financial and environmental—their purchasing decisions are pushing even the largest OEMs to rethink design priorities. The end result is a slow but steady migration from sealed devices to modular platforms, transforming how we think about owning technology.

Overcoming Hurdles: The Future of a Modular Hardware Ecosystem

Despite its promise, modular hardware faces substantial obstacles that must be addressed for it to become truly mainstream. The first challenge is the trade-off between modularity and physical design. Modules require standardized interfaces, locking mechanisms, and additional board-to-board connectors, which add thickness, weight, and cost. In an era where slimness is often equated with sophistication, modular devices risk appearing bulky or less premium. However, engineering innovation is mitigating this gap. High-density connectors, flexible printed circuits, and modular chassis architectures are becoming more compact, and some designers have made modularity an aesthetic virtue rather than a compromise. A second hurdle is standardization across brands. Currently, each modular ecosystem is proprietary: Framework modules do not fit in other laptops, and Fairphone modules are not compatible with other phone brands. True standardization, akin to the PCIe or M.2 standards in desktop computing, would allow a vibrant third-party market of modules, driving down costs and expanding choices. Industry alliances and regulatory mandates could facilitate this, but historical precedent suggests that market forces alone may be slow to converge. The success of desktop building—where ATX motherboards, PCIe cards, and standard power supplies coexist—demonstrates that standardized modularity is possible when participants agree on interfaces. Another significant challenge is software support. A modular device is only as useful as its operating system’s ability to recognize new modules. Hot-swappable components require robust driver support, especially for GPUs, AI accelerators, and connectivity modules. Framework has tackled this through close collaboration with chipset vendors and a transparent Linux development process, but broader industry support is essential. Looking forward, the future of modular hardware extends far beyond phones and laptops. Modular data centers are already emerging, with standardized compute, storage, and networking blocks that can be serviced by robots. Modular electric vehicles, like the current EV platforms with swappable battery packs, hint at future designs where seats, sensors, and infotainment modules are user-upgradeable. The concept of a modular hardware ecosystem envisions a world where a broken module is not a disaster but an inconvenience—a trip to a local repair shop, a quick online order, or a simple DIY fix. As governments enforce repairability scores, consumers demand longer product lifespans, and manufacturers realize the lifetime value of repeat component sales, modularity will likely evolve from a niche feature into a baseline expectation. The journey is far from complete, but every engineer who designs a replaceable battery, every lawmaker who mandates spare parts, and every customer who refuses a sealed device pushes this trend closer to becoming a permanent fixture of the hardware industry.