Samsung 980 1TB DRAM-less NVMe SSD Review
The Samsung 980 1TB is Samsung's mainstream DRAM-less NVMe SSD, combining the Pablo controller with Host Memory Buffer technology for 3,500 MB/s reads at a capacity that covers OS, games, and applications.
Inside the 1 TB Samsung 980, the Pablo controller manages Samsung V-NAND TLC flash with no on-board DRAM, relying instead on the NVMe Host Memory Buffer (HMB) to borrow system RAM for the flash translation layer. The 1 TB model uses 128-layer (V6) TLC V-NAND on 256Gb dies, a newer generation than the smaller capacities.
Samsung rates the 1 TB model at 3,500 MB/s sequential reads and 3,000 MB/s sequential writes, with 500,000 random read IOPS and 480,000 random write IOPS. Endurance is 375 TBW with a five-year warranty. The M.2 2280 single-sided PCB fits laptops and desktops.
The 1 TB capacity is the most versatile in the 980 lineup, providing enough space for a full OS, a large game library, and creative applications. The DRAM-less design trades some random IO consistency under heavy multi-tasking for a lower price point. The Samsung 970 EVO Plus 1TB offers dedicated DRAM and higher writes (3,300 vs 3,000 MB/s) at a higher cost. Competitors include the WD Blue SN570 1TB and the Kingston NV2 1TB.
✅ Storage Comparisons:
🚀 Performance and benchmarks
Samsung rates the 1 TB 980 at 3,500 MB/s sequential reads and 3,000 MB/s sequential writes, with 500,000 random read IOPS and 480,000 random write IOPS. The 128-layer V6 TLC NAND provides good burst write performance within the SLC cache, and the larger capacity means a bigger cache allocation than the smaller models.
Samsung 980 1 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.
- Samsung 980 1 TB (this drive): 3,500 MB/s read, 3,000 MB/s write
- 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
Independent reviewers consistently found the 980 1TB competitive with DRAM-equipped PCIe 3.0 drives in sequential benchmarks and most real-world tests. The HMB mechanism handles the mapping table efficiently for typical consumer workloads. Under sustained random write loads with multiple concurrent operations, the DRAM-less design shows slightly more latency variance than the 970 EVO Plus, but for gaming and general desktop use the difference is negligible.
🖥️ Endurance and warranty
Samsung covers the 980 1TB with a five-year limited warranty and a 375 TBW endurance rating. At a typical consumer workload of 20 GB of writes per day, 375 TBW translates to approximately 51 years of use. Samsung's Magician software provides real-time health monitoring, TBW tracking, and firmware updates. Warranty service is available through Samsung's support portal or the original retailer.
📊 Specs
| Category | Value |
|---|---|
| Capacity [?] | 1 TB |
| Interface [?] | M.2 3.0 x 4 |
| Controller [?] | Samsung Pablo |
| Memory type [?] | Samsung TLC |
| DRAM [?] | HMB |
| Read speed (MB/s) [?] | 3500 |
| Write speed (MB/s) [?] | 3000 |
| Read IOPS [?] | 500000 |
| Write IOPS [?] | 480000 |
| Endurance (TBW) [?] | 375 |
| MTBF (million hours) [?] | 1.5 |
| Warranty (years) [?] | 5 |
Conclusion
The Samsung 980 1TB is a well-priced DRAM-less NVMe SSD that delivers PCIe 3.0 saturation on reads and competitive writes at a capacity that suits most users. The HMB design is a fair trade-off for budget builders on modern platforms. Users who need DRAM-level consistency or higher write speeds should step up to the Samsung 970 EVO Plus 1TB. For a budget-friendly gaming and general-use drive, the 980 1TB is one of the strongest picks in Samsung's lineup.
+ Pros
- 3,500/3,000 MB/s sequential read/write
- 128-layer V6 TLC NAND on 1 TB capacity
- 375 TBW endurance with five-year warranty
- Single-sided M.2 2280 fits laptops
- DRAM-less design keeps cost low
- Cons
- No on-board DRAM; HMB dependency
- Random IO trails DRAM drives under heavy load
- PCIe 3.0 caps at 3,500 MB/s
- No hardware encryption support
🛒 Buy this or similar SSD Storage:
✨ Video Review
Fast & (Soon to be) Affordable - Samsung 980 Review (Gen3 NVMe M.2 SSD)
