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| Brand | Samsung |
|---|---|
| Model | PM863 |
| Capacity | 1.92 TB |
| Usage Class | Read Intensive |
| Host Interface | SATA 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND 3D TLC |
|---|---|
| Drive Writes Per Day | 1.3 |
| Total Bytes Written | 2733 TBW |
| Sequential Read | 520 MB/s |
|---|---|
| Sequential Write | 475 MB/s |
| Random Read IOPS | 99000 |
| Random Write IOPS | 18000 |
| Average Latency | 120 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ7LM1T9HCJM-00005 |
|---|
The Samsung PM863 MZ7LM1T9HCJM-000D3 stands out in the 1.92TB SATA enterprise class by combining 2,733 TBW / 1.3 DWPD endurance with near-interface-limit 520/475 MB/s performance and up to 99,000/18,000 IOPS, making it a strong fit for read-centric virtualization, web hosting, and scale-out storage nodes that still require meaningful write headroom. Compared with the earlier MZ7LM1T9HCJM-00005 revision, the -000D3 offers a more mature enterprise deployment profile through Samsung V-NAND 3D TLC, delivering better sustained consistency, endurance assurance, and fleet standardization for long-life SATA infrastructure.
With an endurance rating of 2733 TBW, this SSD can sustain approximately 750 GB of host writes every day for 10 years, which is far above the write volume of a typical OS, boot, and application drive. In practical procurement terms, that means it is more than sufficient for long-term system-disk use and is also well suited to mixed enterprise workloads, with its 1.3 DWPD rating confirming strong daily write capability. Its enterprise-class reliability is reinforced by power-loss protection, which preserves data in flight during an unexpected outage and helps prevent corruption of critical metadata or unwritten cache contents. The 1.0E-17 UBER specification indicates an extremely low uncorrectable bit error rate, giving confidence in data integrity at scale, while the 2 million-hour MTBF further supports dependable 24/7 deployment.
1. The SATA 6Gb/s interface paired with 520 MB/s sequential read speed makes this drive a strong fit for legacy enterprise platforms that need fast boot, backup, and large-file streaming performance without a PCIe upgrade.
2. With 99,000 random read IOPS, it can sustain highly responsive access to small-block data in virtualized environments, metadata-heavy applications, and read-centric database workloads.
3. A 1.3 DWPD endurance rating gives enterprises the write tolerance needed for always-on mixed workloads while helping maintain predictable replacement cycles over the drive’s service life.
4. Samsung V-NAND 3D TLC provides a balanced combination of density, power efficiency, and reliability, making it well suited for scale-out data centers where cost per terabyte matters as much as consistent performance.
5. The typical latency of 120 µs helps reduce storage wait time at the application layer, improving transaction responsiveness and overall QoS in business-critical servers.
Reference capacities in the same series: Lower capacity: 960 GB Higher capacity: 3.84 TB Capacity positioning analysis: At 1.92 TB, this model sits in the sweet spot of the series. Compared with the 960 GB version, it gives much better headroom for OS images, application data, logs, and growth buffers, reducing the risk of early capacity pressure while keeping the same enterprise-class read/write and IOPS behavior. Compared with the 3.84 TB option, it achieves a more efficient balance between acquisition cost, usable capacity, and performance consistency. It is especially well suited for mid-scale virtualization clusters, such as shared boot and application storage for roughly 40 to 60 virtual machines.
Q: Is MZ7LM1T9HCJM-000D3 suitable for a write-heavy database server?
A: Yes. With 1.3 DWPD, 2733 TBW, low 120 µs typical latency, and enterprise Samsung V-NAND 3D TLC, it is suitable for moderately write-heavy database workloads and consistent server performance.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 1.3 full drive writes per day. For a 1.92 TB capacity, that equals about 2.5 TB 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, database, and RAID environments.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is generally recommended for database and virtualization workloads, as it balances performance, redundancy, and rebuild safety. RAID 1 is also suitable when simplicity and data protection are priorities.