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| Brand | Samsung |
|---|---|
| Model | SM863 |
| Capacity | 1.92 TB |
| Usage Class | Enterprise/Mixed-Use |
| Host Interface | SATA 3.0 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 inch 7mm |
|---|
| NAND Flash | Samsung V2 (32L) MLC |
|---|---|
| Drive Writes Per Day | 3.6 |
| Total Bytes Written | 12320 TBW |
| Sequential Read | 520 MB/s |
|---|---|
| Sequential Write | 485 MB/s |
| Random Read IOPS | 97000 |
| Random Write IOPS | 28000 |
| Average Latency | 100 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ7TE1T9HMHP-00005 |
|---|
Compared with MZ7TE1T9HMHP-00005, the MZ7KM1T9HAJM (SM863) is a clear generational upgrade, moving to Samsung 32-layer MLC V-NAND and delivering 3.6 DWPD with 12,320 TBW for substantially stronger sustained-write endurance in the 1.92 TB enterprise SATA class. With up to 520/485 MB/s sequential performance and 97,000/28,000 IOPS, it is particularly well suited to write-intensive virtualization, OLTP, and cache-tier workloads that need near-SATA-limit speed with better durability and consistency than older SATA SSD generations.
With an endurance rating of 12,320 TBW and 3.6 DWPD, the MZ7KM1T9HAJM is built for sustained enterprise write workloads and can comfortably handle writing its full capacity multiple times per day throughout its service life. In typical real-world deployments, this level of endurance means it is more than sufficient for long-term use as a demanding system, virtualization, or mixed-workload drive, giving buyers strong confidence in write durability. For reliability, power loss protection (PLP) helps preserve in-flight data and metadata during an unexpected power interruption, reducing the risk of corruption and improving operational safety in servers and storage systems. Its UBER of 1.0E-17, together with a 2 million hour MTBF, reflects enterprise-class data integrity and stability, helping ensure very low uncorrectable read error rates in mission-critical environments.
1. The SATA 3.0 interface with full-bandwidth sequential read performance is ideal for broad server compatibility, accelerating boot, backup, and large-file retrieval in legacy enterprise platforms without requiring a PCIe upgrade.
2. Its strong random read capability helps databases, virtualization clusters, and web-facing applications sustain responsive access under highly concurrent small-block workloads.
3. A high enterprise endurance rating enables the drive to absorb heavy daily overwrite cycles, making it well suited for write-intensive logging, OLTP, and mixed-use data center environments.
4. Samsung’s V2 32-layer MLC NAND provides the consistency, write resilience, and predictable long-term behavior that enterprise operators expect from mission-critical storage media.
5. The ultra-low typical latency supports faster transaction response and tighter QoS control, which is especially valuable for latency-sensitive applications such as financial systems and real-time analytics.
Reference capacities in the same series: Lower capacity: 960 GB Higher capacity: 3.84 TB Capacity positioning analysis: At 1.92 TB, this SSD sits at the sweet spot of the family. Compared with the 960 GB model, it gives much more headroom for OS images, application growth, log retention, and mixed enterprise workloads, reducing early capacity pressure. Compared with the 3.84 TB option, it preserves nearly the same mainstream enterprise performance profile while delivering a more attractive cost-per-drive and easier budget scaling. It is especially well suited for mid-sized virtualization clusters, such as hosting boot and application volumes for about 40 to 60 general-purpose virtual machines.
Q: Is MZ7KM1T9HAJM suitable for a write-heavy database server?
A: Yes. With 3.6 DWPD, 12,320 TBW endurance, Samsung 32-layer MLC NAND, and about 100 µs typical latency, MZ7KM1T9HAJM 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 3.6 full drive writes per day. For a 1.92 TB SSD, that equals about 6.9 TB of writes daily across its stated 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, reducing corruption risk and improving reliability for enterprise storage environments.
Q: What RAID level is recommended for this SSD?
A: For enterprise use, RAID 10 is commonly recommended for the best balance of performance, redundancy, and write efficiency. If capacity matters more, RAID 5 or RAID 6 can also be considered.