ADATA Swordfish 2TB Review — Budget PCIe 3.0 NVMe SSD (2026)
The ADATA Swordfish 2TB is the largest capacity in ADATA's budget PCIe 3.0 lineup, offering bulk storage for game libraries and media at an entry-level price point.
Controller & Memory
The ADATA Swordfish 2TB shares the same hardware foundation as the rest of the Swordfish family — the Realtek RTS5763DL controller paired with ADATA's own 3D TLC NAND, no dedicated DRAM cache, and reliance on the NVMe Host Memory Buffer protocol. The drive ships in a standard M.2 2280 form factor. At 2 TB, it is likely a double-sided PCB design, which means it may not fit in laptops with tight M.2 slot clearances. Desktop installations are unaffected.
ADATA rates the 2 TB model at 1,800 MB/s sequential reads and 1,200 MB/s sequential writes, with up to 180,000 IOPS for random 4K reads and writes. These figures place the Swordfish at the entry level of the NVMe market — roughly half the bandwidth of a PCIe 3.0 x4 interface. The 2 TB capacity is the largest variant available, joining the 250 GB, 500 GB, and 1 TB options. Typically, larger-capacity drives benefit from faster write speeds due to having more NAND channels to write across, but the Swordfish series maintains consistent speed ratings across all capacities, which is unusual.
The 2 TB capacity is where the Swordfish makes the most practical sense. At this size, it can hold the operating system, a large application library, and 20 or more modern games — genuinely useful as a single-drive system for budget builds. The drive sits at the bottom of ADATA's NVMe product range, well below the XPG-branded performance series. Direct competitors in the 2 TB budget tier include the Kingston NV2 2TB and the WD Blue SN570 2TB, both of which offer significantly higher sequential speeds.
The Swordfish shares the same sustained write limitations across all capacities. Under heavy write loads, the SLC cache exhausts and the underlying TLC NAND cannot maintain high throughput. StorageReview's testing found the Swordfish series suffering severe 4K random write performance drops — falling to approximately 9,710 IOPS with extreme latency spikes. For a 2 TB drive used primarily as a game library or bulk storage, this is unlikely to matter. But anyone planning sustained large-file transfers should look at faster alternatives.
Storage Comparisons:
Swordfish Performance & Benchmarks
The ADATA Swordfish 2TB is rated for 1,800 MB/s sequential reads and 1,200 MB/s sequential writes, with up to 180,000 random read and write IOPS. These are manufacturer-rated best-case figures, achievable when data fits within the drive's SLC cache. For light desktop workloads, the 1,800 MB/s reads deliver a roughly threefold improvement over SATA III SSDs, which max out near 550 MB/s. Boot times, application launches, and game load times all benefit from the NVMe interface.
ADATA Swordfish 2 TB vs M.2 3.0 x 4 peers
Switch between sequential throughput and random IOPS to see how this drive stacks up against other M.2 3.0 x 4 SSDs in our database. The highlighted bar is the drive on this page — click any other bar to open that drive.
- ADATA SX 8800 Pro 512 GB: 3,500 MB/s read, 2,700 MB/s write
- ADATA SX 8800 Pro 1 TB: 3,500 MB/s read, 2,700 MB/s write
- ADATA XPG Spectrix S40G RGB 256 GB: 3,500 MB/s read, 3,000 MB/s write
- ADATA XPG Spectrix S40G RGB 512 GB: 3,500 MB/s read, 3,000 MB/s write
- ADATA Swordfish 2 TB (this drive): 1,800 MB/s read, 1,200 MB/s write
Compared to the PCIe 3.0 x4 interface ceiling of approximately 3,500 MB/s, the Swordfish operates at roughly half speed. What makes the Swordfish unusual is that the 2 TB model does not benefit from the write speed bump that most NVMe drives get at higher capacities — it maintains the same 1,800/1,200 MB/s ratings as the 250 GB and 500 GB variants. Mainstream PCIe 3.0 drives like the WD Blue SN570 and Samsung 980 reach 3,000–3,500 MB/s reads and 2,500–3,000 MB/s writes on their larger capacities, making the Swordfish look underpowered in direct comparison.
Under sustained write loads, the Swordfish's entry-level hardware shows its limitations. Independent testing by StorageReview found that the drive's 4K random write performance collapsed to roughly 9,710 IOPS under heavy workload stress, with extreme latency spikes and near-complete throughput stalls. The SLC cache is sized for burst workloads, not sustained throughput. On a 2 TB drive used primarily as a game library or media archive, this behaviour is rarely encountered — games are read far more often than written. But anyone planning to use the Swordfish 2TB as a scratch disk for video editing or for regular large-file transfers will experience sharp slowdowns once the cache fills.
ADATA Swordfish vs Competitors
See how the Swordfish stacks up against other M.2 3.0 x 4 drives in our database:
Compare with rival drives:
Endurance, TBW & Warranty
ADATA covers the Swordfish 2TB with a five-year limited warranty, capped at 750 TBW (terabytes written). At a typical consumer write workload of 20 GB per day, 750 TBW translates to approximately 103 years of use — far beyond the warranty window. Even at a heavy 50 GB per day, the drive would last roughly 41 years. The TBW rating scales with capacity across the Swordfish lineup, and 750 TBW is respectable for a 2 TB budget drive — it is in the same range as the Samsung 980 2TB, which is rated at 1,200 TBW. ADATA provides the SSD Toolbox utility for monitoring drive health, checking remaining endurance, running diagnostics, and applying firmware updates. The five-year warranty covers manufacturing defects and does not extend to drives that exceed their TBW rating within the warranty period.
ADATA Swordfish 2 TB Specifications
| Category | Value |
|---|---|
| Capacity [?] | 2 TB |
| Interface [?] | M.2 3.0 x 4 |
| Controller [?] | Realtek RTS5763DL |
| Memory type [?] | ADATA 3D TLC |
| DRAM [?] | Host Memory Buffer |
| Read speed (MB/s) [?] | 1800 |
| Write speed (MB/s) [?] | 1200 |
| Read IOPS [?] | 180000 |
| Write IOPS [?] | 180000 |
| Endurance (TBW) [?] | 750 |
| MTBF (million hours) [?] | 1.8 |
| Warranty (years) [?] | 5 |
Verdict: Is the Swordfish Worth It in 2026?
The ADATA Swordfish 2TB is the most compelling variant in the Swordfish lineup simply because of its capacity. Two terabytes of NVMe storage at a budget price is useful for game libraries, media archives, or as a single-drive solution for budget builds. The 1,800/1,200 MB/s speeds are a clear improvement over SATA, but they lag well behind mainstream alternatives like the Samsung 980 2TB and WD Blue SN570 2TB, both of which offer roughly double the read speed. The drive's sustained write performance collapses under heavy loads, but that matters less on a 2 TB drive used primarily for storage. If pricing is competitive, the Swordfish 2TB works as a budget bulk NVMe; if a faster drive costs only slightly more, spend the extra.
+ Pros
- 2 TB capacity for large game libraries and media
- 1,800 MB/s reads, 3x faster than SATA SSDs
- Five-year warranty from ADATA
- 750 TBW endurance suits heavy daily use
- HMB design keeps power draw low
- Cons
- 1,800 MB/s reads well below PCIe 3.0 ceiling
- DRAM-less design with HMB dependency
- Sustained write performance collapses under heavy loads
- 2 TB variant likely double-sided, may not fit thin laptops
- No write speed advantage over smaller capacities
Buy this or similar SSD Storage:
Video Review
ADATA SWORDFISH PCIe Gen3x4 M.2 2280 SSD
