ADATA LEGEND 840 512 GB vs ADATA S511 240 GB

A side-by-side spec comparison of the ADATA LEGEND 840 512 GB and the ADATA S511 240 GB. We line up every specification and score the ones that matter most in this category — weighted, not a raw count of specs won — to reach an overall verdict so you can decide which storage is right for your build.

Side-by-side specification comparison of ADATA LEGEND 840 512 GB and ADATA S511 240 GB.
Specification	No image ADATA LEGEND 840 512 GB No price data Winner	ADATA S511 240 GB $299.16 Buy on Amazon
Type	SSD	SSD
Cache	0	0
Capacity	512 GB	240 GB
Interface	NVMe Gen4	SATA
Read Speed	7000 MB/s	550 MB/s
Form Factor	M.2 2280	2.5"
Write Speed	5000 MB/s	520 MB/s

Winner: ADATA LEGEND 840 512 GB — driven by Capacity (512 GB), Interface (NVMe Gen4), Read Speed (7000 MB/s)

ADATA LEGEND 840 512 GB

performance points

ADATA S511 240 GB

performance points

Winner is scored by weighting the specs that matter most in this category (not a raw count of specs won).

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