The high-end Kioxia XL-Flash switches to MLC chips

It’s been a long time since consumers could commonly buy SSDs with SLC memory chips. Although they have a high performance, they are too expensive due to the capacity. After all, even MLCs with 2 bits per cell have basically cleared the field and now TLC (3 bits per cell) is the standard, while in the low-end we even find QLC (4 bits per cell). Company Kioxia however, it manufactures to the highest high-end for server memory deployment XL-Flash, which still use the SLC architecture today. However, their second generation also brings a transition to a larger number of bits per cell and they will now have MLC chips.

The main advantage is primarily a significantly lower price, while maintaining high performance and very short latencies. This was achieved, for example, by increasing the number of levels in which memories are organized, which increases the possibilities of parallel access. The new memories will also have a larger capacity of 256 Gbit (32 GB) against 128 Gbit for the SLC version. CXL (Compute Express Link) is also planned to be used in the future. The first samples should be delivered in November this year, mass production is to start in 2023.

Source: Svět hardware by

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