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| Brand | Samsung |
|---|---|
| Model | 990 EVO Plus |
| Capacity | 2 TB |
| Usage Class | Client / Consumer |
| Host Interface | PCIe 4.0 x4 / PCIe 5.0 x2 |
|---|---|
| Total Interface Bandwidth | 16 Gb/s |
| Form Factor | M.2 2280 |
|---|
| NAND Flash | Samsung V-NAND 3-bit TLC |
|---|---|
| Drive Writes Per Day | 0.33 |
| Total Bytes Written | 1200 TBW |
| Sequential Read | 7250 MB/s |
|---|---|
| Sequential Write | 6300 MB/s |
| Random Read IOPS | 1050000 |
| Random Write IOPS | 140000 |
| Average Latency | 50 μs |
| Mean Time Between Failures | 1.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | No |
| MPN | MZ-76P512BW |
|---|
Samsung’s MZ-V9S2T0BW 990 EVO Plus delivers a clear generational step up from the SATA-era MZ-76P512BW, moving to NVMe on PCIe 4.0 x4 / PCIe 5.0 x2 and boosting performance to 7,250/6,300 MB/s sequential and 1,050,000 random-read IOPS while scaling to 2 TB and 1,200 TBW endurance. Its standout value in the mainstream client tier is the dual-lane PCIe 5.0 compatibility combined with Samsung 3-bit TLC V-NAND, making it a strong fit for high-throughput creator workstations and gaming systems that need near-flagship read speed without sacrificing platform flexibility or write endurance.
With an endurance rating of 1,200 TBW and 0.33 DWPD, this 2TB SSD can sustain about 329 GB of writes per day throughout its warranty period, which is more than sufficient for typical client, office, and boot-drive workloads. In practical terms, when used as an OS drive or general-purpose application/storage drive under normal enterprise-user write patterns, it offers ample write endurance for many years of stable service. From a reliability perspective, the specified UBER of 1.0E-15 means the drive is designed for a very low uncorrectable bit error rate, supporting dependable data integrity in everyday operation, while the 1.5 million hour MTBF further indicates strong expected operational reliability. This model does not include power-loss protection (PLP), so while it is well suited for standard desktops, notebooks, and non-write-critical environments, systems with frequent sudden power interruption risk or requiring in-flight write protection should consider whether PLP is needed.
1. The PCIe 4.0 x4 / PCIe 5.0 x2 interface gives this drive flexible deployment across current and next-generation server platforms, enabling high bandwidth without requiring a full x4 Gen5 slot.
2. With sequential read performance of 7250 MB/s, it can accelerate large dataset loading, VM image boot-up, and analytics pipeline start times in read-intensive enterprise environments.
3. Its random read capability of 1,050,000 K IOPS supports extremely high transaction concurrency, helping databases, VDI farms, and metadata-heavy applications maintain responsiveness under peak demand.
4. The 0.33 DWPD endurance profile, backed by Samsung V-NAND 3-bit TLC, is well suited for mainstream enterprise workloads where high capacity, power efficiency, and predictable reliability matter more than heavy daily overwrites.
5. A typical latency of 50 µs helps reduce storage wait time at the application layer, improving QoS consistency for latency-sensitive services such as real-time querying and virtualized infrastructure.
Lower capacity reference: 1 TB Higher capacity reference: 4 TB Capacity positioning analysis: Within this series, the 2 TB model is the practical sweet spot. Compared with the 1 TB version, it offers much better headroom for OS images, application stacks, logs, and growth over a longer refresh cycle, reducing the risk of early capacity pressure. Compared with the 4 TB option, it keeps acquisition cost and power-budget impact more controlled while delivering essentially the same class of sequential throughput and random IOPS. It is best suited for small to mid-size virtualization clusters, such as hosting boot and utility volumes for about 40 to 60 mixed-workload virtual machines.
Q: Is MZ-V9S2T0BW suitable for a write-heavy database server?
A: MZ-V9S2T0BW is generally not ideal for write-heavy database servers. Its 0.33 DWPD and 1200 TBW suit read-intensive or mixed workloads better than sustained, high-write enterprise database use.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 0.33 drive writes per day, meaning about one-third of its 2 TB capacity can be written daily on average throughout the warranty period.
Q: Does it include power loss protection (PLP) and why is that critical?
A: No, it does not include power loss protection. PLP is critical in server environments 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 this SSD, RAID 1 or RAID 10 is typically recommended for better redundancy and performance balance. RAID 0 is not advised for important data due to no fault tolerance.