ADATA XPG Mars 980 Blade 1TB — PCIe 5.0 NVMe SSD Review (2026)
The ADATA XPG Mars 980 Blade 1TB is a DRAM-equipped PCIe 5.0 NVMe SSD built around the Silicon Motion SM2508 controller, delivering 14,000 MB/s reads and the best random write performance in its class at a competitive price.
Controller & Memory
The Mars 980 Blade is ADATA's second-generation PCIe 5.0 SSD under the XPG enthusiast brand, following the Legend 970. It uses the Silicon Motion SM2508 eight-channel controller built on TSMC's 6 nm process, paired with Micron B58R 232-layer 3D TLC NAND and a dedicated DDR4 DRAM cache — 1 GB per 1 TB of capacity. This DRAM configuration gives the Blade a significant advantage over DRAM-less Gen5 drives in random I/O and sustained write workloads.
The drive is double-sided (components on both sides of the PCB) and comes in an M.2 2280 form factor. A thin aluminium heat spreader is included, which is slim enough to fit in PS5 and most laptop M.2 slots. At 1TB, the write speed reaches 10000 MB/s — the 1 TB model is capped at 10,000 MB/s writes while the 2 TB and 4 TB variants hit the full 13,000 MB/s.
Competitors include the Samsung 9100 Pro, Crucial T705, and WD Black SN8100. The Mars 980 Blade undercuts all of them on price while matching their sequential read speeds. The main trade-off is slightly lower sequential throughput in single-queue-depth scenarios, though real-world file transfer performance remains competitive. The drive is also available in a 4 TB capacity for high-capacity buyers.
Storage Comparisons:
Mars 980 Blade Performance & Benchmarks
The Mars 980 Blade 1TB is rated for sequential reads up to 14,000 MB/s and writes up to 10000 MB/s over PCIe 5.0 x4. Random 4K performance reaches 1,600K read IOPS and 1,650K write IOPS. Independent reviews consistently confirm the drive meets or exceeds its rated sequential speeds in CrystalDiskMark, with the 2 TB model showing approximately 14,200 MB/s reads and 13,100 MB/s writes in benchmark testing.
ADATA Mars 980 Blade 1 TB vs M.2 5.0 peers
Switch between sequential throughput and random IOPS to see how this drive stacks up against other M.2 5.0 SSDs in our database. The highlighted bar is the drive on this page — click any other bar to open that drive.
- PNY XLR8 CS3250 1 TB: 14,900 MB/s read, 13,500 MB/s write
- PNY XLR8 CS3250 2 TB: 14,900 MB/s read, 14,000 MB/s write
- ADATA Mars 980 Blade 1 TB (this drive): 14,500 MB/s read, 10,000 MB/s write
- Acer Predator GM9 1 TB: 14,500 MB/s read, 11,000 MB/s write
- Acer Predator GM9 2 TB: 14,500 MB/s read, 10,000 MB/s write
The standout feature is random write performance — the Mars 980 Blade currently holds the best 4K random write results among Gen5 SSDs tested by several reviewers. This makes it exceptional as an OS drive, where operating systems perform large numbers of small write operations constantly. The DDR4 DRAM cache enables this advantage over DRAM-less and smaller-cache competitors.
Under sustained loads, the SLC cache on the 1TB model provides ample buffer for extended write bursts. After the cache fills, write speeds transition to native TLC rates, which remain strong thanks to the Micron B58R NAND's 2,400 MT/s interface speed. The SM2508 controller's 6 nm process keeps power draw and temperatures manageable, though the included heat spreader should be supplemented with motherboard M.2 cooling for extended heavy workloads.
ADATA Mars 980 Blade vs Competitors
See how the Mars 980 Blade stacks up against other M.2 5.0 drives in our database:
Compare with rival drives:
Endurance, TBW & Warranty
ADATA provides a 5-year warranty on the Mars 980 Blade, backed by an endurance rating of 740 TBW for the 1TB model. This is notably higher than the industry standard of 600 TBW per TB — ADATA rates it at 740 TBW per TB of capacity. At a typical 20 GB per day write workload, the 1TB drive would last over 100 years before reaching its TBW limit. The MTBF is rated at 2 million hours. Warranty support is handled through ADATA's regional service centres.
ADATA Mars 980 Blade 1 TB Specifications
| Category | Value |
|---|---|
| Capacity [?] | 1 TB |
| Interface [?] | M.2 5.0 |
| Controller [?] | Silicon Motion SM2508 |
| Memory type [?] | Micron 232-L TLC |
| DRAM [?] | Yes |
| Read speed (MB/s) [?] | 14500 |
| Write speed (MB/s) [?] | 10000 |
| Read IOPS [?] | 1600000 |
| Write IOPS [?] | 1650000 |
| Endurance (TBW) [?] | 740 |
| MTBF (million hours) [?] | 2000000 |
| Warranty (years) [?] | 5 |
Verdict: Is the Mars 980 Blade Worth It in 2026?
The XPG Mars 980 Blade 1TB is an excellent choice if you want a DRAM-equipped PCIe 5.0 SSD without paying flagship prices. Its random write performance leads the Gen5 category, making it arguably the best OS drive available today.
Skip it if you need the highest possible sequential throughput in single-queue-depth transfers — the Samsung 9100 Pro and WD Black SN8100 edge ahead in that specific metric. The difference is small in practice.
The Crucial T710 and Lexar NM1090 Pro use the same SM2508 controller and offer similar performance. Choose the Blade if pricing is favourable in your region — and as of late 2025, it usually is. For most buyers, this is the best value DRAM-equipped Gen5 SSD on the market.
+ Pros
- Best-in-class 4K random write performance
- DDR4 DRAM cache (1 GB per TB)
- 14,000 MB/s sequential reads
- Competitive pricing for DRAM Gen5
- 5-year warranty with above-average TBW
- Cons
- Single-queue sequential reads trail rivals
- Double-sided PCB may not fit some slim laptops
- No bundled cloning software
- 1 TB model limited to 10,000 MB/s writes
Buy this or similar SSD Storage:
Video Review
The ADATA XPG Mars 980 Blade SSD!
