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zenexer | 1 year ago

This article makes several claims that are trivial to disprove:

> The 4TB capacity doubles that of the largest microSD cards, earning it the title for the world's largest removable memory card.

> CFexpress, known for its superior speed. Announced last year, the latest generation, CFexpress 4.0, supports up to four PCIe 4.0 lanes and 2GB/s per lane. Neither of those card formats can come close to offering 4TB of storage, however.

CFexpress cards are physically larger than SD cards and have no trouble squeezing in 4 TB. They're uncommon, but they do already exist: https://www.bhphotovideo.com/c/product/1711327-REG/red_digit...

CFexpress is mostly just overpriced PCIe. You can make your own 4 TB CFexpress card with a small adapter and a 4 TB M.2 SSD that supports PCIe. It stands to reason that if there are 4 TB M.2 PCIe SSDs that are about the size of a CFexpress card, then there are also 4 TB CFexpress cards.

Does anyone have a better source?

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cyanydeez|1 year ago

MicroSD is the operative word you missed.

zenexer|1 year ago

The sentence claims that this card is the world’s “largest removable memory card”—that’s false.

It then goes on to say it’s larger than any CFexpress card. Also false.

whaleofatw2022|1 year ago

Alas, the article itself is touting a normal SD card, so in a way it's a weird comparison in the first place...

Mo3|1 year ago

Yes, these RED cards basically just contain SSDs inside. However the title clearly says "SD"