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| Brand | Samsung |
|---|---|
| Model | SM863a |
| 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 2-bit MLC |
|---|---|
| Drive Writes Per Day | 3.6 |
| Total Bytes Written | 12614 TBW |
| Sequential Read | 520 MB/s |
|---|---|
| Sequential Write | 480 MB/s |
| Random Read IOPS | 95000 |
| Random Write IOPS | 28000 |
| Average Latency | 95 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ-V8P1T0 |
|---|
Compared with MZ-V8P1T0, the Samsung SM863a MZ7KM1T9HMJP-00005 is optimized for enterprise duty cycles rather than bursty client workloads, delivering 3.6 DWPD and 12,614 TBW with Samsung V-NAND 2-bit MLC for substantially higher sustained write endurance. At 1.92 TB, it is a strong fit for read-heavy to mixed virtualization, database, and caching tiers that need SATA compatibility, combining near-interface-limit 520/480 MB/s throughput with up to 95,000/28,000 IOPS for predictable data-center performance.
With an endurance rating of 12,614 TBW and 3.6 DWPD, the MZ7KM1T9HMJP-00005 is built for sustained enterprise write workloads and can handle frequent full-drive rewrites throughout its service life. In typical server or system-disk use, this level of endurance is more than sufficient for long-term deployment, giving buyers confidence that the drive can operate reliably for many years under normal data center conditions. Its enterprise reliability is further strengthened by power loss protection (PLP), which helps preserve in-flight data and protects mapping tables during unexpected power interruptions. Combined with an ultra-low UBER of 1.0E-17 and a 2 million hour MTBF, the drive is designed to minimize uncorrectable read errors and support stable, dependable operation in business-critical environments.
1. The SATA interface makes this drive a drop-in upgrade for mainstream enterprise servers and storage arrays, delivering near-bus-limit streaming performance for faster backups, boot volumes, and read-heavy application datasets.
2. Its strong random-read capability helps virtualized workloads, OLTP databases, and metadata-intensive platforms respond quickly under highly concurrent access patterns.
3. With enterprise-grade write endurance, it can sustain frequent full-drive rewrites in logging, caching, and mixed-workload environments without wearing out prematurely.
4. Samsung V-NAND 2-bit MLC provides a durability-and-consistency profile better suited to mission-critical infrastructure than lower-cost TLC alternatives, especially where steady performance matters.
5. The low typical latency helps reduce storage response time at the application layer, improving transaction speed and QoS consistency for latency-sensitive services.
Lower capacity reference: 960 GB Higher capacity reference: 3.84 TB Capacity positioning analysis: Within this enterprise SSD family, 1.92 TB is the practical sweet spot. Compared with the 960 GB model, it provides much better headroom for OS images, application growth, log retention, and overprovisioning flexibility, reducing the risk of early capacity pressure. Compared with the 3.84 TB model, it keeps acquisition cost and per-node storage spending under tighter control while delivering essentially the same enterprise-class throughput and IOPS profile. It is especially well suited for mid-scale virtualization clusters, such as hosting boot and utility volumes for about 40 to 60 business application VMs.
Q: Is MZ7KM1T9HMJP-00005 suitable for a write-heavy database server?
A: Yes. With 3.6 DWPD, 12,614 TBW, Samsung V-NAND 2-bit MLC, and 95 µs typical latency, this 1.92 TB SATA SSD is well suited for write-intensive database workloads.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: It is rated for 3.6 full drive writes per day. For a 1.92 TB model, that equals about 6.9 TB of writes daily across the 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 in enterprise and transactional environments.
Q: What RAID level is recommended for this SSD?
A: For most business deployments, RAID 10 is recommended because it balances performance, redundancy, and rebuild safety. If capacity efficiency matters more than write speed, RAID 5 or 6 may also fit.