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| Brand | Samsung |
|---|---|
| Model | PM897 |
| Capacity | 1.92 TB |
| Usage Class | Mixed Use |
| Host Interface | SATA 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND 6th-Gen TLC |
|---|---|
| Drive Writes Per Day | 3 |
| Total Bytes Written | 10512 TBW |
| Sequential Read | 560 MB/s |
|---|---|
| Sequential Write | 530 MB/s |
| Random Read IOPS | 97000 |
| Random Write IOPS | 32000 |
| Average Latency | 40 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ-7KH1T9 |
|---|
The PM897 MZ7L31T9HBNAAD3 stands out as a 1.92TB enterprise SATA SSD that combines near-interface-limit 560/530 MB/s performance with a write-intensive 3 DWPD rating, 10,512 TBW endurance, and up to 97K/32K IOPS for latency-sensitive database, virtualization, and boot-volume workloads. Compared with the previous MZ-7KH1T9 generation, it brings Samsung 6th-Gen V-NAND TLC and a more robust enterprise endurance/performance balance, making it a stronger drop-in upgrade for SATA infrastructures that need higher sustained write capability without moving to SAS or NVMe.
With an endurance rating of 10,512 TBW and 3 DWPD, the MZ7L31T9HBNAAD3 is designed for sustained enterprise write workloads over its service life. In practical terms, this level of endurance is far beyond typical OS, boot, and general application drive usage, so it can serve as a system disk for many years with ample reliability margin under normal deployment conditions. For enterprise reliability, this SSD includes power loss protection (PLP), which helps preserve in-flight data and maintain mapping table integrity if power is interrupted unexpectedly. Its UBER of 1.0E-17, together with a 2 million hour MTBF, indicates very strong data integrity and dependable long-term operation for business-critical environments.
1. The SATA interface makes this drive a drop-in upgrade for mainstream enterprise servers and storage arrays, delivering reliable performance without requiring a platform refresh.
2. Its strong sequential read capability accelerates backup restores, media streaming, and large dataset access, helping reduce wait time for throughput-heavy workloads.
3. High random read performance supports dense virtualization, transactional databases, and boot storms by keeping small-block access responsive under concurrency.
4. With enterprise-class write endurance, it is well suited for write-intensive applications such as logging, caching, and mixed-use database environments that demand long service life.
5. Samsung’s advanced V-NAND TLC combined with very low typical latency provides a strong balance of capacity, consistency, and fast response for latency-sensitive business applications.
Reference capacities in the same series: Lower capacity: 960 GB Higher capacity: 3.84 TB Capacity positioning analysis: In this series, the 1.92 TB model sits at the practical sweet spot. Compared with the 960 GB version, it provides much better headroom for OS images, application binaries, logs, and moderate data growth, reducing early capacity pressure and replacement risk. Compared with the 3.84 TB option, it delivers nearly the same enterprise-class read/write behavior while keeping acquisition cost, power, and per-node storage budget under tighter control. It is especially well suited for mid-scale virtualization clusters, such as a 12 to 16-node environment hosting mixed business applications and shared boot volumes.
Q: Is MZ7L31T9HBNAAD3 suitable for a write-heavy database server?
A: Yes. With 3 DWPD endurance, 10,512 TBW, low 40 µs typical latency, and Samsung 6th-Gen V-NAND TLC, it is well suited for write-intensive database and enterprise server 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 sustain about three full drive writes per day across its warranty term, consistent with its total endurance rating of 10,512 TBW.
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 improving data integrity for enterprise, transactional, and database environments.
Q: What RAID level is recommended for this SSD?
A: RAID choice depends on the workload. RAID 10 is generally recommended for databases requiring strong performance and redundancy, while RAID 5 or 6 may suit capacity-focused environments with acceptable write overhead.