Sony has announced the FX5 cinema camera, and it arrives with one of the strictest memory card demands the company has set for an FX or Alpha Series model. To unlock its most powerful recording features, including internal 16-bit RAW Open Gate recording, the FX5 requires VPG400 CFexpress Type A memory cards.
That matters now because buyers looking at the FX5 are not just choosing a camera body. They are also choosing media that can keep up with a system built around high-end recording, and the pool of suitable cards is narrower than many will expect. The FX5 is being discussed alongside a price spread that runs from about $100 for an 80GB card to nearly $1,500 for Sony's own VPG400-certified 1920GB Tough card, which makes the requirement more than a technical footnote.
Jordan Drake got his hands on the camera ahead of the announcement and tested it with a VPG200 card. The FX5 flashed a warning that the card was “Not guaranteed media,” but Drake still recorded successfully and found no dropped frames. That is the detail people are now circling: the camera's behavior in the field does not look as hard-edged as the spec sheet.
The reason the requirement looks puzzling on paper is simple math and product design. VPG400 means Video Performance Guarantee, and the certification promises a minimum 400 MB/s write speed. Yet the FX5's top RAW files do not exceed 200 MB/s data rates, and its resolution tops out at 5K. On that basis, a VPG200 card should appear fast enough for many of the camera's most demanding modes, even if Sony has chosen to set the official bar higher. Sony's CineAlta Burano also requires VPG400 media, but that camera records 8K video in 16-bit RAW, so its need is easier to understand.
That leaves the unresolved question buyers will care about first: whether the retail FX5 will actually block incompatible recording options or simply keep allowing them with a warning. The unit Drake tested was running pre-production firmware, so Sony still has room to make the shipping camera behave differently. Customers were expected to start receiving the FX5 in mid-August, and the answer will decide whether the card requirement is a hard gate or just a strongly worded caution.
For now, the FX5 sits in an odd place. It is Sony's newest cinema camera, it asks for premium media at the top end, and it can still appear to work with a lower-rated card in testing. The gap between what the camera warns and what it actually recorded is what will matter most when the first shipping units reach buyers.
