What microSD Express Means for Next-Gen Handhelds
microSD Express cards are next-generation removable storage devices that use a PCIe interface and NVMe protocol to deliver higher read and write speeds, lower latency, and better responsiveness than traditional UHS-I microSD cards used in most handheld gaming systems today. Delkin’s new microSD Express line is built specifically to unlock the performance potential of upcoming handheld consoles such as the Nintendo Switch 2, where storage speed directly affects load times, texture streaming, and overall system responsiveness. Instead of treating the card slot as a slow archive for overflow games, these cards push it closer to an internal SSD in behavior. For gamers, that means the storage expansion slot can now support larger libraries and demanding titles without a steep performance penalty, turning handheld gaming storage into a true performance asset instead of a bottleneck.
Inside Delkin’s microSD Express Design
Delkin’s microSD Express cards are built around SD Association’s SD Express standard, which upgrades the legacy microSD interface with PCIe connectivity and NVMe storage protocols. This architecture is the key to the cards’ “next-generation performance well beyond traditional UHS-I microSD cards,” as Delkin states. By moving to PCIe and NVMe, the cards can handle more simultaneous operations and reduce latency, translating into faster game launches, smoother in-game transitions, and quicker downloads on compatible hardware. According to Yosi Pinto, SD Association President, “SD Express technology represents the next evolution of removable storage performance, enabling innovative applications across gaming and emerging AI-enabled devices.” For handheld gaming storage, that statement signals a shift: removable media is no longer a slow backup option but a viable primary location for modern titles, downloadable content, and even future AI-driven features in consoles.
Capacity Options and Growing Game Libraries
Modern handheld games are growing in size, with large AAA titles, patches, and downloadable content quickly filling internal storage. Delkin’s microSD Express lineup addresses this by offering three capacity tiers: 128GB, 256GB, and 512GB. The 128GB model targets everyday gaming and moderate downloadable content, while 256GB is suited to players building a steadily growing digital collection. For those who treat their handheld as a primary console, the 512GB card offers headroom for large libraries and storage-heavy titles. This structured capacity range means users can match storage expansion to their habits instead of overbuying or frequently juggling installs. Because the cards are engineered for durability and long-term reliability, they are positioned not only as extra space but as a dependable home for game saves, screenshots, and captured videos that move with the player from system to system.
Impact on Load Times and Gameplay Experience
Faster handheld gaming storage has a direct impact on the user experience. Delkin claims its microSD Express cards can deliver “dramatically faster transfer speeds, reduced game load times, and expanded storage for increasingly larger game titles” compared to standard microSD media. On a next-gen system like the Nintendo Switch 2, that means shorter waits between launching a game and actually playing, as well as more seamless transitions between levels, areas, or cutscenes. Faster writes also help with downloads and updates, making large patches and digital purchases less of a time sink. For players who rely on storage expansion instead of constantly reinstalling games, these cards reduce the traditional performance penalty associated with external storage. The end result is a handheld experience that feels closer to modern home consoles, where storage speed is expected to keep up with richer visuals and more complex game worlds.
Compatibility, Switch 2 Accessories, and Future-Proofing
Delkin positions its new cards as optimized Switch 2 accessories, tuned for the performance and reliability requirements of Nintendo’s next handheld generation. While they are still microSD form factor devices, their PCIe and NVMe foundation means full performance is only available on consoles that support microSD Express. As more systems adopt SD Express standards, these cards can follow users across devices, turning them into long-term storage investments rather than single-console accessories. They also reflect a broader shift in the gaming industry toward higher-performance removable storage, especially as developers depend on streaming data for faster loading and richer environments. For players planning storage expansion on future handhelds, microSD Express cards offer a path that balances capacity, speed, and durability, making the card slot a strategic part of performance planning instead of an afterthought.