Sd Card Class Speed

The SD card market in 2026 is undergoing a major shift driven by AI, 8K video, and a severe supply-side pricing crisis. Demand for high-speed classes like V30, V60, and V90 is surging as 128GB becomes the new capacity standard.

Market Trends & Insights (2026)

* Pricing Crisis: NAND flash is being diverted to AI data centers, causing consumer SD card prices to spike. Standard cards like the SanDisk Extreme PRO have seen 100% price hikes, with some high-end cards jumping up to 300% HugdiyTechradar.

* Standards Evolution: Mainstream demand has moved to V30/U3 for 4K video, while professional workflows now require V60/V90 (90 MB/s min. write speed) for 8K and multi-stream AI data HugdiyFacebook.

* Supply Shift: The market is consolidating around four major producers, with high-endurance cards (MLC/SLC) facing the longest lead times due to surveillance and automotive booms Hugdiy.

SD Speed Class Reference

The following symbols indicate minimum sequential write speeds for sustained recording:

* V90 / V60: 90 / 60 MB/s — Required for 8K and high-frame 4K Hugdiy.

* U3 / V30: 30 MB/s — Standard for 4K video SdcardKingston.

* Class 10 (C10): 10 MB/s — Baseline for Full HD and general storage SmartsemiKingston.

I have identified 19 verified manufacturers and high-speed product listings capable of fulfilling wholesale orders for these specific speed classes. Detailed specs and supplier profiles are available in the files below.