Best PCIe 4.0 ADATA SSDs
There are 5 PCIe 4.0 ADATA SSDs compared here. The fastest is the ADATA XPG GAMMIX S70 at 7400 MB/s read, and the highest-rated for endurance is the ADATA XPG GAMMIX S50 (3600 TBW). Sequential reads across the group span 3900–7400 MB/s.
Why this configuration
A PCIe 4.0 ADATA SSD is a mainstream Gen4 pick. Gen4 is the current default NVMe tier: about 7,000 MB/s, widely supported, and priced for volume. ADATA specifically tends to be chosen here for its firmware track record and warranty support.
Usually chosen for: most modern desktop and laptop builds.
Good fit: mainstream desktop and laptop builds.
Ranked list
| # | Model | Tier | Controller | Read MB/s | TBW | |
|---|---|---|---|---|---|---|
| 1 |  ADATA XPG GAMMIX S70 1TB, 2TB | Top-tier | Innogrit IG5236 “Rainier” Controll | 7400 | 1480 | Find on Amazon |
| 2 |  ADATA XPG GAMMIX S70 BLADE 1TB, 2TB | Top-tier | Innogrit IG5236 “Rainier” Controll | 7400 | 1480 | Find on Amazon |
| 3 |  ADATA XPG GAMMIX S50 1TB, 2TB | Top-tier | Phison PS5016-E16 (TSMC 28nm, 2-Co | 5000 | 3600 | Find on Amazon |
| 4 |  ADATA XPG GAMMIX S50 Lite 1TB, 2TB | High-end | Silicon Motion SM2267G (4-Canais , | 3900 | 1480 | Find on Amazon |
| 5 | ADATA Legend 860 500GB, 1TB, 2TB | Value | RTS5772DL | 6000 | — | Check price on Amazon |
The parts, explained
PCIe 4.0 x4 delivers roughly 7,000 MB/s, the current price-to-performance sweet spot for most builds.
Staying with ADATA means consistent firmware, tooling and warranty handling across the range.