It turns out that the maximum 30 TB SSD sold at 4000 yen actually has a capacity of 1 GB and the data is deleted more and more



There are many people who use portable SSDs that can be carried around for purposes such as backup and storage capacity shortage of notebook PCs. Online shops such as Amazon sell various types of portable SSDs, from well-known brands to brands that you have never heard of, but the 'large-capacity portable SSD' sold at the online shop is actually a cheap flash memory. It has been reported that the capacity was considerably inflated with a product that was just equipped with multiple .

Walmart lists a 30TB portable SSD for $39.

https://arstechnica.com/gadgets/2022/08/walmart-lists-a-30tb-portable-ssd-for-39-it-is-naturally-a-scam/

The sales page at Walmart of the SSD where the problem was reported is below. On the product page, `` M.2 standard SSD '' `` USB 3.1 compatible '' `` Maximum capacity 30 TB '' `` Dimensions are 74 mm × 57.3 mm × 10.5 mm and weighs 51 g '' Small, lightweight, large capacity and high performance It is appealing that it is a portable SSD.



Security researcher Ray [REDACTED] purchased and analyzed the above product for $ 29.01 (about 4000 yen) at the major online shop AliExpress.




Below is a picture of the disassembled product in question. Looking at the picture, you can see that two flash memories are fixed on the right side of the board with something like hot bonds. Regarding this flash memory, Ray [REDACTED] points out, 'Isn't it an SD card?'




Also, as a result of connecting the SSD in question, which is appealing as 'capacity 30 TB', to the PC, Windows recognized it as 'two 15 TB storage'. In addition, although the SSD in question was advertised as 'compatible with USB 3.1', it was also found that it actually had performance equivalent to USB 2.0.




As a result of verification by Mr. Ray [REDACTED], the flash memory installed in the SSD in question has a capacity of only 512MB, and when writing files that exceed the capacity, ``delete and overwrite data while maintaining the directory structure'' It turned out that it works. Overseas media Ars Technica cites the SSD in question as an example, ``When purchasing storage at an online shop, be sure to purchase a famous brand product from a trusted seller.If the product story is too good, It is almost certainly a fraudulent product, ”he cautions those considering purchasing storage.

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in Hardware, Posted by log1o_hf