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| Brand | Samsung |
|---|---|
| Model | 990 EVO |
| Capacity | 2 TB |
| Usage Class | Client |
| Host Interface | PCIe Gen4 x4 / Gen5 x2 |
|---|---|
| Total Interface Bandwidth | 64 Gb/s |
| Form Factor | M.2 2280 |
|---|
| NAND Flash | Samsung V-NAND 3-bit TLC |
|---|---|
| Drive Writes Per Day | 0.3 |
| Total Bytes Written | 1200 TBW |
| Sequential Read | 5000 MB/s |
|---|---|
| Sequential Write | 4200 MB/s |
| Random Read IOPS | 700000 |
| Random Write IOPS | 80000 |
| Average Latency | 70 μs |
| Mean Time Between Failures | 1.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | No |
| MPN | MZ-V8V2T0BW |
|---|
Samsung 990 EVO 2TB (MZ-V9E2T0B/AM) is a strong upgrade path for mainstream and high-density client systems, combining PCIe Gen4 x4 / Gen5 x2 compatibility with Samsung 3-bit TLC V-NAND to deliver up to 5000/4200 MB/s and 1200 TBW in a flexible, platform-ready design. Compared with MZ-V8V2T0BW, it raises sequential read performance by up to 43%, write performance by up to 40%, and doubles endurance to 1200 TBW, making it a more robust choice for sustained workstation, gaming, and mixed desktop workloads.
With an endurance rating of 1,200 TBW and 0.3 DWPD, this SSD can sustain about 328 GB of writes per day for 10 years, which is more than enough for typical OS, office, and general business application workloads. In practical terms, when used as a system or boot drive under normal enterprise client usage, it should provide long, stable service life without endurance being a concern. For reliability, the specified UBER of 1.0E-15 means the drive is designed for a very low rate of unrecoverable bit errors, helping support dependable data reads in daily operation. This model does not include power-loss protection (PLP), so while it is well suited for read-heavy and general-purpose workloads, applications with frequent in-flight write transactions or strict sudden-power-failure data integrity requirements should use system-level power protection or select a PLP-equipped drive.
1. The dual-lane flexibility of this PCIe design, paired with strong streaming bandwidth, helps enterprise servers move large datasets quickly and shorten VM boot, backup, and analytics job windows.
2. Its high random-read capability is well suited for read-intensive databases, virtual desktop pools, and metadata-heavy cloud workloads where fast access to many small files improves user responsiveness.
3. The modest endurance rating makes it a better fit for read-centric enterprise deployments such as content delivery, reference data, and boot/storage tiers rather than heavy write-logging or cache-write workloads.
4. Samsung V-NAND TLC provides a practical balance of capacity, power efficiency, and cost, making it attractive for scaling enterprise flash where budget and density matter as much as performance.
5. The low typical latency supports faster transaction response and more predictable application behavior, which is valuable for latency-sensitive services such as online querying, indexing, and real-time application delivery.
Reference lower capacity in the same series: 1 TB (MZ-V9E1T0B/AM) Reference higher capacity in the same series: None; 2 TB is the top capacity offered in the exact MZ-V9E series. At 2 TB, this model sits at the sweet spot of the MZ-V9E lineup. Compared with the 1 TB version, it gives much more room for VM images, logs, snapshots, and application growth, reducing capacity pressure over the service life. Since there is no larger native option in this exact series, 2 TB also serves as the practical ceiling before moving to a different product family and higher spend. It is best suited for an edge server or compact virtualization node running about 20 to 30 moderate workloads.
Q: Is MZ-V9E2T0B/AM suitable for a write-heavy database server?
A: Not ideally. With 0.3 DWPD, TLC NAND, and no PLP, this model is better suited for client, workstation, or read-focused mixed workloads than sustained write-heavy database server environments.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: It is rated for 0.3 full drive writes per day. For a 2 TB SSD, that equals about 0.6 TB, or roughly 600 GB, of writes daily.
Q: Does it include power loss protection (PLP) and why is that critical?
A: No, it does not include PLP. PLP is critical in server or transactional workloads because it helps prevent in-flight data loss and metadata corruption during unexpected power interruptions.
Q: What RAID level is recommended for this SSD?
A: For better redundancy and predictable performance, RAID 1 or RAID 10 is generally recommended. For write-heavy use, avoid parity RAID like RAID 5 due to added write overhead.