# ADATA XPG Gammix S70 Blade 1TB PCIe 4.0 NVMe SSD Review (2026)

The ADATA XPG Gammix S70 Blade 1 TB remains a solid PCIe 4.0 NVMe choice in 2026, combining Innogrit's IG5236 controller with Micron 176-layer TLC NAND and hitting 7,400 MB/s sequential reads with PS5 compatibility.

Quick answer: Buy the ADATA XPG Gammix S70 Blade 1 TB if you want a PCIe 4.0 drive with DRAM cache, PS5 compatibility, and strong sequential performance without paying flagship prices. It's particularly well-suited as a PS5 expansion drive or a primary OS/games drive in a desktop with motherboard M.2 cooling. Consider the WD Black SN770 or Samsung 980 Pro if you prioritize lower power consumption or have a Samsung-centric ecosystem, but the S70 Blade holds its own on value. The included heatsink is serviceable but thin— enthusiasts with robust motherboard cooling should use that instead.

## Specifications

| Specification | Value |
| --- | --- |
| Capacity | 1 TB |
| Interface | M.2 4.0 x 4 |
| Controller | Innogrit IG5236 |
| Memory type | Micron 176-layer 3D TLC NAND |
| DRAM cache | DRAM cache buffer |
| Sequential read | 7400 MB/s |
| Sequential write | 5500 MB/s |
| Random read IOPS | 650000 |
| Random write IOPS | 740000 |
| Endurance | 740 TBW |
| MTBF | 2000000 |
| Warranty | 5 years |

## Performance

Rated for up to 7,400 MB/s sequential reads and 5,500 MB/s sequential writes on the 1 TB model, the S70 Blade sits near the top of the PCIe 4.0 stack. Random 4K performance hits up to 740,000 IOPS for both reads and writes, translating to snappy OS responsiveness and quick game load times. These are manufacturer-rated figures; independent reviews confirm the drive approaches these numbers in CrystalDiskMark and ATTO, with real-world file copies landing in the 4,000–5,000 MB/s range for large transfers.

Like most TLC-based NVMe drives, the S70 Blade uses an SLC caching scheme to accelerate burst writes. The cache size varies by capacity—expect roughly 100–150 GB of SLC cache on the 1 TB model before write speeds drop to native TLC levels. For typical gaming and productivity workloads, this cache behavior is invisible. Video editors pushing multi-hundred-gigabyte files may notice the drop-off after the cache exhausts. Compared to SATA SSDs, the S70 Blade delivers 6–7x faster sequential throughput and significantly lower latency, making it a worthwhile upgrade for any system with a PCIe 4.0 M.2 slot. PS5 users will see around 6,100 MB/s reads in Sony's I/O test—well above the 5,500 MB/s recommended threshold.

## Endurance, TBW & Warranty

ADATA backs the S70 Blade 1 TB with a 5-year limited warranty, standard for this tier. Endurance is rated at 740 TBW, which translates to roughly 200 GB of writes per day over the drive's warranty period. For typical consumer workloads—OS boot, program installs, game downloads, and occasional large file transfers—that's decades of usable life. Even heavy content creators writing 1 TB daily would exhaust the TBW rating in about two years, still within the warranty window. The MTBF rating isn't prominently published, but the Micron TLC NAND and Innogrit controller have a solid track record in consumer drives. ADATA handles RMAs directly through their website, so keep your purchase documentation accessible if you ever need to exercise the warranty.

## Pros and Cons

**Pros:**

- 7,400 MB/s sequential reads meet PS5 requirements
- DRAM cache buffer for consistent random performance
- 740 TBW endurance with 5-year warranty
- Includes heatsink compatible with PS5 and laptops
- Innogrit IG5236 controller with Micron 176-layer TLC NAND
- Strong real-world gaming performance and file transfer speeds
**Cons:**

- Write speeds drop after SLC cache exhausts during sustained transfers
- Included heatsink is thin—motherboard shields recommended for heavy workloads
- Can throttle without adequate cooling under prolonged write loads
- 1 TB variant slower than 2 TB (5,500 vs 6,800 MB/s writes)


## Verdict

Buy the ADATA XPG Gammix S70 Blade 1 TB if you want a PCIe 4.0 drive with DRAM cache, PS5 compatibility, and strong sequential performance without paying flagship prices. It's particularly well-suited as a PS5 expansion drive or a primary OS/games drive in a desktop with motherboard M.2 cooling. Consider the WD Black SN770 or Samsung 980 Pro if you prioritize lower power consumption or have a Samsung-centric ecosystem, but the S70 Blade holds its own on value. The included heatsink is serviceable but thin— enthusiasts with robust motherboard cooling should use that instead.

## Frequently Asked Questions

### Is the ADATA XPG Gammix S70 Blade 1 TB good for gaming?

Yes, the S70 Blade 1 TB is an excellent gaming SSD. Its 7,400 MB/s sequential reads and 740,000 IOPS random performance translate to fast game load times and minimal texture streaming stutter. PCIe 4.0 drives like this show measurable improvements over SATA and PCIe 3.0 SSDs in games with large open worlds, though the gap is narrowing as engines optimize for DirectStorage. For PlayStation 5 storage expansion, it meets Sony's 5,500+ MB/s read requirement and fits within the console's 110 × 25 × 11.25 mm dimensions with the included heatsink.

### Does the ADATA XPG Gammix S70 Blade 1 TB have a DRAM cache?

Yes, the S70 Blade 1 TB includes 1 GB of Samsung DDR4-2666 DRAM cache. DRAM buffers the NAND flash mapping table, delivering consistent random read/write performance that DRAM-less drives using Host Memory Buffer (HMB) cannot match. This matters for OS responsiveness, multitasking, and database workloads. The 2 TB capacity steps up to 2 GB of DRAM, but even 1 GB is sufficient for the 1 TB model's addressing needs.

### What is the TBW endurance of the ADATA XPG Gammix S70 Blade 1 TB?

The 1 TB model is rated for 740 TBW (terabytes written) over its 5-year warranty. That equates to writing roughly 200 GB daily for five years—far beyond typical consumer usage. Most users will never approach this limit; even heavy video editors writing 500 GB daily would take four years to exhaust the TBW rating. TBW is a statistical guideline, not a hard deadline, and drives often outlast their ratings. The 2 TB variant doubles this to 1,480 TBW.

### Does the ADATA XPG Gammix S70 Blade 1 TB need a heatsink?

A heatsink is strongly recommended for sustained performance, though the drive can function without one. PCIe 4.0 NVMe drives generate significant heat under load, and thermal throttling can drop speeds by 30–50% without adequate cooling. ADATA includes a thin aluminum heatsink in the box that fits the PS5 and most M.2 slots, but desktop users with motherboard M.2 shields should use those instead for better thermal mass. Laptop users must ensure clearance, as the added height may conflict with tight chassis tolerances.

### Is the ADATA XPG Gammix S70 Blade 1 TB compatible with the PS5?

Yes, the S70 Blade meets Sony's PS5 expansion requirements: PCIe 4.0 x4 NVMe interface, 5,500+ MB/s sequential read speed (it hits 7,400 MB/s on PC, around 6,100 MB/s in the PS5 I/O test), and M.2 2280 form factor. The included heatsink fits within Sony's 11.25 mm height limit. Remove the protective film from the thermal pad before installation, and orient the drive so the heatsink faces away from the PS5's Wi-Fi antenna. Sony does not maintain a verified compatibility list for this exact model, but it meets all published specs.

### How does the ADATA XPG Gammix S70 Blade 1 TB compare to the Samsung 980 Pro?

Both are PCIe 4.0 flagships with similar specs—7,400 MB/s reads, DRAM cache, and 5-year warranties—but the Samsung 980 Pro uses its proprietary Elpis controller andSamsung V-NAND, often outperforming in mixed workloads and power efficiency. The S70 Blade typically undercuts the 980 Pro on price while delivering comparable real-world gaming performance. Reliability is a wash; both use mature TLC NAND. Choose the S70 Blade for value and PS5 compatibility, or the 980 Pro if you prioritize Samsung's Magician software ecosystem and lower power consumption for laptops.

### Is the 1 TB version slower than the 2 TB ADATA XPG Gammix S70 Blade?

Yes, sequential write speeds scale with capacity due to how NAND is configured. The 1 TB model is rated for 5,500 MB/s sequential writes, while the 2 TB hits 6,800 MB/s. Sequential reads remain consistent at 7,400 MB/s across capacities. Random IOPS also improve slightly on larger capacities, though most users won't notice the difference in typical workloads. If sustained write performance matters—video editing, large file backups—the 2 TB variant is worth the premium. For gaming and OS use, the 1 TB is plenty fast.

### Is the ADATA XPG Gammix S70 Blade 1 TB good for video editing?

The S70 Blade 1 TB is capable for 4K video editing as a scratch disk, but pro users working with 8K footage or large RED RAW files may want higher-end options. Its strong sequential reads and DRAM cache help with timeline scrubbing and preview rendering, while the SLC cache handles burst transfers well. However, once the SLC cache fills—roughly 100–150 GB on this drive—write speeds drop to native TLC levels, which can slow down large project exports. For serious editing work, consider the 2 TB model for its higher sustained write speeds and larger cache, or look at enterprise-focused drives like the Samsung 980 Pro or WD Black SN850X for more consistent long-duration performance.

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Last updated: 2026-05-23. Source: https://ssdrive.net/adata-gammix-s70-blade-1-tb