Samsung 990 EVO Plus 2TB efficient mid-range SSD
The Samsung 990 EVO Plus 2TB offers 7,200 MB/s sequential reads over a hybrid PCIe 5.0 x2 or PCIe 4.0 x4 interface, paired with Samsung's 236-layer V-NAND and 1,200 TBW endurance.
The 2 TB model is the mid-capacity option in the 990 EVO Plus family, which spans 1 TB, 2 TB, and 4 TB variants. It uses the same Samsung Piccolo 8-channel DRAM-less controller and eighth-generation 236-layer V8 TLC NAND as the rest of the lineup. The hybrid interface auto-detects the motherboard: on PCIe 5.0 systems it runs two lanes at Gen5 speed, while PCIe 4.0 systems use four lanes to hit the same 7,200 MB/s ceiling.
As a DRAM-less drive, the 990 EVO Plus relies on Host Memory Buffer (HMB) to borrow system RAM for address mapping. This keeps manufacturing costs down and power consumption low, at the expense of a small latency penalty under heavy random write workloads. For gaming and general use, the HMB approach performs nearly identically to dedicated DRAM solutions.
The 2 TB capacity doubles the endurance to 1,200 TBW compared to 600 TBW on the 1 TB model, while maintaining the same 7,200/6,300 MB/s rated speeds. Competitors at this capacity and price point include the WD Blue SN580 2TB, the Lexar NM790 2TB, and the Kingston NV3 2TB. The Samsung 990 Pro 2TB offers higher write speeds and a dedicated DRAM cache but at a higher price point, making the EVO Plus the better value for most users.
✅ Storage Comparisons:
🚀 Performance and benchmarks
Samsung rates the 990 EVO Plus 2TB at 7,200 MB/s sequential read and 6,300 MB/s sequential write, matching the 1 TB and 4 TB models across the lineup. Random performance reaches 1,000,000 read IOPS and 1,400,000 write IOPS. These IOPS figures are consistent across all three capacities.
Samsung 990 EVO Plus 2 TB vs M.2 5.0 x 2 / 4.0 x 4 peers
Switch between sequential throughput and random IOPS to see how this drive stacks up against other M.2 5.0 x 2 / 4.0 x 4 SSDs in our database. The highlighted bar is the drive on this page — click any other bar to open that drive.
- Samsung 990 EVO Plus 2 TB (this drive): 7,200 MB/s read, 6,300 MB/s write
- Samsung 990 EVO Plus 1 TB: 7,200 MB/s read, 6,300 MB/s write
- Samsung 990 EVO Plus 4 TB: 7,200 MB/s read, 6,300 MB/s write
The 2 TB model has more NAND die than the 1 TB, which improves sustained write performance after the TurboWrite SLC cache fills. Native TLC writes on the 2 TB model are faster than on the 1 TB because the additional die allow the controller to distribute writes across more physical flash targets. Burst performance is identical, with the TurboWrite cache absorbing incoming writes at full speed until its allocation is exhausted.
HMB uses 32 to 64 MB of system RAM, which has minimal impact on system performance. Active power draw is around 5.5 W, making the 990 EVO Plus one of the most power-efficient NVMe drives at this performance level. The low power draw also means the drive runs cool enough to operate without a heatsink in most desktop configurations.
🖥️ Endurance and warranty
Samsung covers the 990 EVO Plus 2TB with a five-year limited warranty and a 1,200 TBW endurance rating. At 1,200 terabytes written, the drive supports approximately 658 GB of daily writes over the five-year period. Writing 50 GB per day would consume only about eight percent of the endurance over five years, meaning the drive will easily outlast the warranty. Samsung Magician software tracks TBW usage, firmware version, and drive health, giving users full visibility into remaining write budget and helping plan for future replacements. This level of endurance is comparable to drives with dedicated DRAM, making the EVO Plus 2TB suitable for users with moderate write demands.
📊 Specs
| Category | Value |
|---|---|
| Capacity [?] | 2 TB |
| Interface [?] | M.2 5.0 x 2 / 4.0 x 4 |
| Controller [?] | Samsung Piccolo 8 Channel |
| Memory type [?] | Samsung 236-L V8 TLC |
| DRAM [?] | HMB |
| Read speed (MB/s) [?] | 7200 |
| Write speed (MB/s) [?] | 6300 |
| Read IOPS [?] | 1000000 |
| Write IOPS [?] | 1400000 |
| Endurance (TBW) [?] | 1200 |
| MTBF (million hours) [?] | 1500000 |
| Warranty (years) [?] | 5 |
Conclusion
The Samsung 990 EVO Plus 2TB is a solid choice for gamers and general users who want reliable NVMe speed at a reasonable price. Its 7,200 MB/s reads, low power draw, and 1,200 TBW endurance cover most non-professional workloads well. The DRAM-less design means it falls behind drives with dedicated DRAM under sustained random writes, so professional content creators should consider the Samsung 990 Pro 2TB instead. For everyone else, the 990 EVO Plus 2TB offers a practical balance of speed, efficiency, and Samsung's proven brand reliability at a competitive price. The five-year warranty and Samsung Magician software support round out a complete package for mainstream NVMe storage.
+ Pros
- 7,200 MB/s sequential read speed
- 1,200 TBW endurance with five-year warranty
- Hybrid PCIe 5.0 x2 / PCIe 4.0 x4 interface
- Low power draw around 5.5W
- 236-layer V8 TLC NAND for efficiency
- Better sustained writes than 1TB model
- Cons
- DRAM-less, uses HMB from system RAM
- Write speed trails Samsung 990 Pro
- Only x2 lanes on PCIe 5.0
- Not ideal for sustained random write workloads
- No included heatsink
🛒 Buy this or similar SSD Storage:
✨ Video Review
Samsung 990 EVO PLUS SSD Review - A Gen 4.5 SSD?
