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| Brand | Samsung |
|---|---|
| Model | PM863A |
| Capacity | 1.92TB |
| Usage Class | Enterprise |
| Host Interface | SATA |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | TLC V-NAND |
|---|---|
| Drive Writes Per Day | 1.3 |
| Total Bytes Written | 4560 TBW |
| Sequential Read | 520 MB/s |
|---|---|
| Sequential Write | 480 MB/s |
| Random Read IOPS | 97000 |
| Random Write IOPS | 24000 |
| Average Latency | 100 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ-7LM1T9E |
|---|
The MZ-7LM1T9NE PM863A is a strong 1.92TB SATA choice for read-intensive virtualization, content delivery, and scale-out server boot/storage tiers, combining near-saturation 520/480 MB/s sequential performance with enterprise endurance rated at 1.3 DWPD and 4,560 TBW. Compared with the previous MZ-7LM1T9E, this PM863A-generation drive delivers a clearer enterprise value profile through higher mixed-workload consistency at up to 97,000/24,000 IOPS and a more endurance-focused TLC V-NAND design in the same capacity class.
With an endurance rating of 4560 TBW and 1.3 DWPD, the MZ-7LM1T9NE is designed to sustain heavy write activity over a long service life, making it well suited for read-intensive to mixed enterprise workloads. In typical server or system-disk use, this level of endurance means the drive can be deployed with confidence for many years of continuous operation without endurance becoming a practical concern. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and maintain metadata integrity if power is interrupted unexpectedly. Its UBER of 1.0E-17, together with a 2 million-hour MTBF, indicates a very low probability of uncorrectable errors and strong overall dependability for business-critical environments.
1. The SATA interface enables broad compatibility with mainstream enterprise servers and storage arrays, making it a practical drop-in upgrade for large-scale refresh projects without changing the existing backplane architecture.
2. Its sequential read performance is well suited to accelerating boot storms, backup restores, and large file retrieval in read-heavy business environments where predictable streaming throughput matters more than peak bus bandwidth.
3. Strong random read capability helps databases, virtual desktop pools, and metadata-intensive workloads respond faster under concurrency, improving user experience when many small requests hit the drive at once.
4. With enterprise-grade write endurance, the drive can sustain steady daily rewrite activity over its service life, making it a reliable fit for mixed-use workloads that need a balance of longevity and cost efficiency.
5. TLC V-NAND paired with low typical latency gives organizations solid flash density with consistently quick response times, supporting better application responsiveness while keeping capacity economics attractive for scale-out deployments.
Lower capacity reference: 960GB Higher capacity reference: 3.84TB Capacity positioning analysis: In this enterprise SSD family, 1.92TB is the sweet-spot capacity. Compared with the 960GB model, it gives much better headroom for OS images, application growth, logs, and over-provisioning, reducing the risk of early capacity pressure. Compared with the 3.84TB version, it typically delivers the same mainstream enterprise SATA performance while keeping acquisition cost and fleet-wide replacement budgets under tighter control. This makes 1.92TB a balanced choice for mid-scale virtualization, such as boot and application storage for about 40 to 60 general-purpose virtual machines.
Q: Is MZ-7LM1T9NE suitable for a write-heavy database server?
A: Yes. With 1.3 DWPD, 4560 TBW endurance, TLC V-NAND, and 100 µs typical latency, the MZ-7LM1T9NE is suitable for write-intensive database workloads and consistent enterprise server operation.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: It is rated for 1.3 full drive writes per day. For a 1.92TB SSD, that equals about 2.5TB of writes daily across its supported warranty endurance 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, reducing corruption risk and improving reliability for enterprise and transactional applications.
Q: What RAID level is recommended for this SSD?
A: The recommended RAID level depends on your priority. RAID 1 or RAID 10 is preferred for databases and critical systems, while RAID 5 may suit balanced capacity and protection needs.