Samsung 990 EVO 1TB budget Gen5 NVMe drive
The Samsung 990 EVO 1TB is Samsung's entry-level hybrid-interface NVMe SSD, offering 5,000 MB/s sequential reads through PCIe 5.0 x2 or PCIe 4.0 x4 using Samsung's Piccolo controller and 133-layer TLC NAND.
The Samsung 990 EVO is the budget-oriented entry in Samsung's consumer NVMe lineup, positioned below the 990 EVO Plus and the 990 Pro. It was Samsung's first consumer drive with a hybrid interface that operates as PCIe 5.0 x2 on Gen5 motherboards or PCIe 4.0 x4 on Gen4 systems. In both configurations the rated speed is 5,000 MB/s read and 4,200 MB/s write.
Inside the drive uses Samsung's Piccolo S4LY022 controller, a compact DRAM-less design paired with seventh-generation 133-layer TLC V-NAND. The Piccolo controller is physically smaller than the 8-channel variant used in the 990 EVO Plus, which is one reason the EVO runs at lower speeds. The DRAM-less architecture relies on Host Memory Buffer (HMB) to borrow system RAM for the flash translation layer.
The 990 EVO comes in 1 TB and 2 TB capacities. The 1 TB model carries a 600 TBW endurance rating and a five-year warranty. It competes with budget PCIe 4.0 drives like the WD Blue SN580 and the Kingston NV2, offering similar real-world performance. The main selling point is forward compatibility with PCIe 5.0 systems, though the actual speed is well within PCIe 4.0 x4 bandwidth limits. For users who want a reliable Samsung SSD without paying for the EVO Plus or Pro tiers, the 990 EVO covers the basics.
✅ Storage Comparisons:
🚀 Performance and benchmarks
Samsung rates the 990 EVO 1TB at 5,000 MB/s sequential read and 4,200 MB/s sequential write. These speeds are achievable on both PCIe 5.0 x2 and PCIe 4.0 x4 connections. Random performance reaches 700,000 read IOPS and 800,000 write IOPS, which is lower than the 990 EVO Plus's 1,000,000/1,400,000 IOPS figures.
Samsung 990 EVO 1 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 1 TB: 7,200 MB/s read, 6,300 MB/s write
- Samsung 990 EVO Plus 2 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
- Samsung 990 EVO 1 TB (this drive): 5,000 MB/s read, 4,200 MB/s write
The lower sequential and random speeds compared to the 990 EVO Plus stem from the older 133-layer NAND and the simpler Piccolo controller with fewer active channels. The 1 TB model has fewer NAND die than the 2 TB, so sustained native TLC writes after the TurboWrite cache fills are modest. For burst workloads like game loads and file transfers, the SLC cache absorbs writes at full speed.
The drive draws roughly 5 W under load, making it one of the most power-efficient NVMe options Samsung offers. It runs cool enough that a heatsink is optional in most desktop configurations. The low power draw also makes it viable for thin laptops where thermal budgets are tight.
🖥️ Endurance and warranty
Samsung covers the 990 EVO 1TB with a five-year limited warranty and a 600 TBW endurance rating. At 600 terabytes written, the drive can absorb roughly 330 GB of writes per day over the five-year warranty window. A typical user writing 20 GB daily would use less than four percent of the rated endurance over five years, meaning the drive will comfortably outlast the warranty period. Samsung Magician software provides real-time monitoring of TBW consumption, drive temperature, and firmware updates to keep the drive running at its best. This endurance level is standard for a 1 TB TLC drive and should satisfy the needs of most budget-conscious users.
📊 Specs
| Category | Value |
|---|---|
| Capacity [?] | 1 TB |
| Interface [?] | M.2 5.0 x 2 / 4.0 x 4 |
| Controller [?] | Samsung Piccolo |
| Memory type [?] | Samsung 133-L TLC |
| DRAM [?] | HMB |
| Read speed (MB/s) [?] | 5000 |
| Write speed (MB/s) [?] | 4200 |
| Read IOPS [?] | 700000 |
| Write IOPS [?] | 800000 |
| Endurance (TBW) [?] | 600 |
| MTBF (million hours) [?] | 1500000 |
| Warranty (years) [?] | 5 |
Conclusion
The Samsung 990 EVO 1TB is a straightforward budget SSD that delivers reliable PCIe 4.0-class speeds with forward compatibility for PCIe 5.0 systems. Its 5,000 MB/s reads and 600 TBW endurance are sufficient for everyday computing and gaming workloads. The main drawback is that the 990 EVO Plus offers substantially better performance with 7,200 MB/s reads and newer 236-layer NAND at a modest price premium, making the EVO Plus the better value in most cases. Consider the 990 EVO only if it is significantly cheaper than the EVO Plus or if you are building on a tight budget where every dollar counts.
+ Pros
- 5,000 MB/s sequential read speed
- Hybrid PCIe 5.0 x2 / PCIe 4.0 x4 interface
- Low 5W active power consumption
- Five-year warranty with 600 TBW
- Samsung Magician software support
- Runs cool without heatsink needed
- Cons
- DRAM-less with HMB overhead
- Slower than 990 EVO Plus at similar price
- 133-layer NAND is older generation
- 700K read IOPS trails competitors
- Only x2 lanes on PCIe 5.0
- Limited to 1TB and 2TB capacities
🛒 Buy this or similar SSD Storage:
✨ Video Review
Samsung 990 EVO vs EVO PLUS - Why you're BUYING the Wrong DRIVE!
