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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 | MZ-7L31T9B |
|---|
The Samsung PM897 1.92TB (MZ7L31T9HBNA) is a high-endurance SATA SSD built on 6th-Gen 128-layer V-NAND, delivering 550/530 MB/s and up to 97K/32K IOPS for write-intensive enterprise boot, virtualization, and mixed-read/write server workloads where 3 DWPD matters. Compared with the previous MZ-7L31T9B generation, it brings a newer V-NAND platform and a stronger 10,512 TBW endurance profile, making it a more robust long-life choice for fleets that need SATA compatibility without sacrificing enterprise write durability.
With an endurance rating of 10,512 TBW and 3 DWPD, the MZ7L31T9HBNA is built to handle intensive enterprise write workloads over its service life. In practical terms, this level of endurance means it can comfortably support typical server or system-disk usage for many years, and for OS, boot, or mixed-read workloads it provides long-term write headroom with minimal endurance concern. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and protect metadata integrity if power is interrupted unexpectedly. Its UBER rating of 1.0E-17 and 2 million-hour MTBF indicate a very low likelihood of unrecoverable read errors and strong overall dependability for business-critical environments.
1. The SATA 6.0 Gbps interface, paired with 550 MB/s sequential read performance, provides a cost-efficient drop-in upgrade for legacy enterprise platforms while keeping boot, backup, and large-file retrieval consistently responsive.
2. With 97,000 K IOPS random read capability, this drive can sustain heavy metadata lookups and highly concurrent VM or database access without becoming a bottleneck.
3. A 3 DWPD endurance rating makes it well suited for write-intensive enterprise workloads such as logging, caching, and transactional systems that demand predictable lifespan under daily full-drive rewrites.
4. Samsung V-NAND 6th-Gen 128-layer 3D TLC enables a strong balance of density, power efficiency, and reliability, helping data centers scale capacity without sacrificing enterprise-grade consistency.
5. A typical latency of 140 µs helps reduce storage response time at the application layer, improving QoS for latency-sensitive services such as OLTP, virtualization, and real-time analytics.
Lower capacity reference: 960 GB Higher capacity reference: 3.84 TB Capacity positioning analysis: In the PM893 family, the 1.92 TB point is the practical sweet spot. Compared with the 960 GB option, it gives materially better headroom for OS images, application growth, log retention, and overprovisioning flexibility, reducing early capacity pressure in always-on enterprise environments. Compared with the 3.84 TB model, it usually delivers a more attractive cost-to-usable-capacity balance while maintaining essentially the same mainstream enterprise SATA performance profile. It is especially well suited for mid-scale virtualization clusters, such as shared boot and application storage for about 40 to 60 business workloads.
Q: Is MZ7L31T9HBNA suitable for a write-heavy database server?
A: Yes. With 3 DWPD endurance, 10,512 TBW, Samsung 128-layer 3D TLC V-NAND, and 140 µs typical latency, MZ7L31T9HBNA is well suited for write-intensive database and 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 drive writes per day. For a 1.92 TB SSD, that equals about 5.76 TB of writes daily across its supported warranty period.
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, which is critical for preventing corruption and maintaining enterprise storage integrity.
Q: What RAID level is recommended for this SSD?
A: The best RAID level depends on your workload. RAID 1 suits redundancy, RAID 10 is ideal for high-performance databases, and RAID 5 or 6 works for balanced capacity and protection.