ADATA XPG Gammix S70
Expert rating8.3 / 10
- Model:
- ADATA XPG Gammix S70
- Interface:
- PCIe 4.0
- Sequential Read:
- Up to 7
- Heatsink Option:
- Included
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Manufacturer: ADATA Last updated: September 12, 2026
ADATA XPG Gammix S70 (PCIe 4.0 NVMe/7,400 MB/s Read/6,400 MB/s Write/Full-Size Gaming Flagship) Review
The ADATA XPG Gammix S70 is ADATA's full-size PCIe 4.0 flagship, built around an InnoGrit IG5236 controller and shipped with a large finned aluminum heatsink for sustained performance under load.
It's the drive to pick from ADATA's own lineup when the slimmer S70 Blade won't fit your cooling needs or you specifically want the biggest heatsink ADATA offers on a PCIe 4.0 drive, trading a bit of installation flexibility for better sustained thermals.
Performance and Speed
7,400 MB/s read and 6,400 MB/s write put this drive squarely among the fastest PCIe 4.0 SSDs available, competitive with the Samsung 990 PRO and Seagate FireCuda 530, both covered elsewhere on this site.
Cooling and Form Factor
The included heatsink is noticeably larger than the slimmer design used on the Gammix S70 Blade, which means better sustained thermal performance under long write sessions but also a requirement for clear vertical space above the M.2 slot, a real consideration in smaller cases or motherboards with tight spacing near the socket.
Comparison to Sibling Products
Against the ADATA XPG Gammix S70 Blade, also covered on this site, the Blade uses a slimmer heatsink to fit under motherboard shrouds and in laptops, at a small cost to peak sustained thermal headroom; pick this full-size S70 when you have the clearance and want the extra cooling margin. Against the Samsung 990 PRO, this drive matches its headline speeds closely, with the choice often decided by price and available capacity.
Who This SSD Is Actually For
Desktop gaming builds with clear M.2 heatsink clearance wanting maximum sustained performance. The larger heatsink here does real thermal work under extended load.
Buyers who already compared this to the S70 Blade and have the case clearance to use the bigger cooler. This is the higher-thermal-headroom option between the two.
Not for slim laptops, handhelds, or motherboards with tight M.2 shrouds. The ADATA XPG Gammix S70 Blade, covered elsewhere on this site, is built for exactly that constraint.
Specifications
Identity
| Brand | ADATA |
|---|---|
| Model Number | Gammix S70 |
| Series | XPG Gammix S70 |
Interface and form
| Bus Interface | PCIe 4.0 x4, NVMe |
|---|
Sequential performance
| Sequential Read | 7400 MB/s |
|---|---|
| Sequential Write | 6400 MB/s |
NAND
| NAND Type | TLC with DRAM Cache |
|---|
Power and thermals
| Heatsink | Included (Large Aluminum Fin Array) |
|---|
Physical and commercial
| Warranty | 5 Years |
|---|
| Capacity Options | 1TB, 2TB, 4TB |
|---|
Expert Review
Reviewed by Burooj Alam. Rated by us, not by users.
Expert rating8.3 / 10
A genuine PCIe 4.0 flagship let down only by needing more physical clearance than some builds have to spare.
Best for
- Desktop gaming builds with clear M.2 heatsink clearance wanting maximum sustained performance. The larger heatsink here does real thermal work under extended load.
- Buyers who already compared this to the S70 Blade and have the case clearance to use the bigger cooler.
- Content creators wanting flagship PCIe 4.0 speed without paying Samsung or WD pricing.
Not for
- Not for slim laptops, handhelds, or motherboards with tight M.2 shrouds. The ADATA XPG Gammix S70 Blade, covered elsewhere on this site, is built for exactly that constraint.
- Not for PCIe 5.0 builds wanting to use a Gen 5 motherboard's full bandwidth.
- Not for budget builds; ADATA's own Gammix S50 Lite, covered elsewhere on this site, gets most users most of the way there for less money.
FAQs
What are the key specifications of the ADATA XPG Gammix S70 (PCIe 4.0 NVMe/7,400 MB/s Read/6,400 MB/s Write/Full-Size Gaming Flagship)?
The ADATA XPG Gammix S70 (PCIe 4.0 NVMe/7,400 MB/s Read/6,400 MB/s Write/Full-Size Gaming Flagship) is a component from ADATA. Key specs: Interface PCIe 4.0 x4, NVMe, Sequential Read 7400, Sequential Write 6400, NAND Type TLC with DRAM Cache, Capacity Options 1TB, 2TB, 4TB.
Who is the ADATA XPG Gammix S70 (PCIe 4.0 NVMe/7,400 MB/s Read/6,400 MB/s Write/Full-Size Gaming Flagship) best suited to?
It suits desktop gaming builds with clear m.2 heatsink clearance wanting maximum sustained performance. the larger heatsink here does real thermal work under extended load., buyers who already compared this to the s70 blade and have the case clearance to use the bigger cooler., content creators wanting flagship pcie 4.0 speed without paying samsung or wd pricing..
What are the drawbacks of the ADATA XPG Gammix S70 (PCIe 4.0 NVMe/7,400 MB/s Read/6,400 MB/s Write/Full-Size Gaming Flagship)?
It is a poor fit for not for slim laptops, handhelds, or motherboards with tight m.2 shrouds. the adata xpg gammix s70 blade, covered elsewhere on this site, is built for exactly that constraint., not for pcie 5.0 builds wanting to use a gen 5 motherboard's full bandwidth., not for budget builds; adata's own gammix s50 lite, covered elsewhere on this site, gets most users most of the way there for less money..
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