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| Brand | Samsung |
|---|---|
| Model | PM897 |
| Capacity | 1.92 TB |
| Usage Class | Mixed Use |
| Host Interface | SATA 6.0 Gbps |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5" |
|---|
| NAND Flash | Samsung V-NAND 6th-Gen 128-layer 3D TLC |
|---|---|
| Drive Writes Per Day | 3 |
| Total Bytes Written | 10512 TBW |
| Sequential Read | 550 MB/s |
|---|---|
| Sequential Write | 530 MB/s |
| Random Read IOPS | 97000 |
| Random Write IOPS | 32000 |
| Average Latency | 140 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ7L31T9HBLT-00007 |
|---|
Compared with the previous MZ7L31T9HBLT-00007, the Samsung PM897 MZ-7L31T9B advances to 6th-Gen 128-layer V-NAND, delivering a newer NAND platform while sustaining full SATA 6.0 Gbps-class throughput at 550/530 MB/s and up to 97K/32K IOPS. Its standout value is enterprise-grade write endurance in a SATA form factor—3 DWPD and 10,512 TBW at 1.92 TB—making it a stronger fit than typical read-centric SATA SSDs for write-intensive virtualization, database logging, and mixed-workload server refreshes.
With an endurance rating of 10,512 TBW and 3 DWPD, the MZ-7L31T9B is built for sustained write-intensive enterprise workloads and can comfortably support frequent full-drive writes throughout its service life. In typical real-world use, this level of endurance is far beyond the needs of an OS or application drive, giving buyers confidence that it can operate reliably for many years under normal datacenter conditions. Its enterprise reliability profile is further strengthened by power loss protection (PLP), which helps preserve in-flight data and metadata during an unexpected power interruption, reducing the risk of corruption and unplanned recovery events. An UBER of 1.0E-17 means the drive is engineered for extremely low unrecoverable read error rates, supporting high data integrity for business-critical storage environments.
1. The SATA interface ensures drop-in compatibility with mainstream enterprise storage backplanes, making this drive a low-risk upgrade for legacy servers and capacity-focused arrays.
2. Its sequential read capability accelerates large-file access, helping databases, virtual machine images, and backup datasets load faster in read-heavy environments.
3. The strong random read performance supports dense mixed-workload virtualization and transactional applications by reducing storage bottlenecks during high-concurrency access.
4. With enterprise-class write endurance, this SSD can sustain intensive daily rewriting in logging, caching, and OLTP workloads without becoming a lifecycle risk.
5. Built on Samsung’s advanced V-NAND TLC architecture and paired with low typical latency, it delivers a balanced combination of efficiency, response consistency, and cost-effective enterprise scalability.
Lower capacity reference: 960 GB Higher capacity reference: 3.84 TB Capacity positioning analysis: At 1.92 TB, this model sits in the sweet spot of the series. Compared with the 960 GB version, it offers much better headroom for OS images, application growth, logs, and overprovisioning, reducing the risk of early capacity pressure. Compared with the 3.84 TB option, it delivers nearly the same enterprise-class throughput and IOPS while keeping acquisition cost and $/workload more efficient. It is best suited for mid-scale deployments, such as a 2-node virtualization cluster, a medium database tier, or a high-density boot and cache pool for 40 to 60 servers.
Q: Is MZ-7L31T9B suitable for a write-heavy database server?
A: Yes. With 3 DWPD, 10,512 TBW endurance, low 140 µs typical latency, and Samsung 128-layer V-NAND TLC, MZ-7L31T9B is well suited for write-intensive database and mixed enterprise workloads.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 3 DWPD, meaning it can support approximately three full 1.92 TB drive writes per day throughout its warranty period, consistent with its 10,512 TBW endurance rating.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes power loss protection. PLP helps preserve in-flight data and metadata during unexpected outages, reducing corruption risk and supporting data integrity in enterprise servers and storage systems.
Q: What RAID level is recommended for this SSD?
A: The recommended RAID level depends on workload goals. RAID 10 is typically preferred for databases needing high performance and redundancy, while RAID 5 or 6 may suit capacity-focused environments.