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| Brand | Samsung |
|---|---|
| Model | PM863 |
| Capacity | 1.92 TB |
| Usage Class | Read Intensive |
| Host Interface | SATA 6.0 Gbps |
|---|---|
| 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 | 2800 TBW |
| Sequential Read | 520 MB/s |
|---|---|
| Sequential Write | 475 MB/s |
| Random Read IOPS | 99000 |
| Random Write IOPS | 18000 |
| Average Latency | 95 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ7LM1T9HCJM-00005 |
|---|
Compared with the previous MZ7LM1T9HCJM-00005, the MZ7LM1T9HCJM-00003 is the stronger enterprise SATA choice for read-intensive virtualization and content-serving tiers, pairing Samsung V-NAND 3D TLC with 2,800 TBW and 1.3 DWPD for improved lifecycle value. Its 520/475 MB/s sequential throughput and 99,000/18,000 IOPS random performance let the PM863 sustain higher-density 1.92 TB deployments on existing 6.0 Gbps SATA infrastructure without sacrificing endurance.
With an endurance rating of 2800 TBW and 1.3 DWPD, the MZ7LM1T9HCJM-00003 is designed to handle sustained enterprise write workloads with strong margin in typical server use. For common OS, boot, and mixed read/write application scenarios, this level of endurance supports long-term deployment and can comfortably serve as a system drive for many years under normal operating conditions. Its enterprise reliability profile is reinforced by power loss protection (PLP), which helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption or downtime. An UBER of 1.0E-17, together with a 2 million hour MTBF, indicates very strong data integrity and dependable operation, giving procurement teams confidence in its suitability for business-critical environments.
1. The SATA interface delivers near-saturation throughput for its class, making it a practical drop-in upgrade for enterprise servers that need faster boot, restore, and bulk data access without changing existing backplanes.
2. Its strong sequential read performance accelerates large-file streaming, backup verification, and analytics scans, helping reduce wait time in read-heavy storage tiers.
3. The high random read capability supports dense virtual machines, OLTP databases, and metadata-intensive workloads by sustaining fast access to many small requests at once.
4. This endurance rating is well suited for mixed-use enterprise deployments, giving data centers the confidence to handle steady daily rewrites with predictable service life.
5. Samsung V-NAND 3D TLC combined with very low typical latency provides a balanced profile of capacity efficiency, consistent QoS, and quick application response in business-critical environments.
Lower capacity reference: 960 GB Higher capacity reference: 3.84 TB Capacity positioning analysis: Within this SSD family, the 1.92 TB model is the sweet-spot capacity. Compared with the 960 GB version, it offers much better space headroom for OS images, application growth, logs, and snapshot retention, reducing the risk of early capacity pressure while keeping the same enterprise-class performance profile. Compared with the 3.84 TB model, it delivers a more attractive balance of acquisition cost, usable capacity, and steady-state performance consistency. It is especially well suited for medium-scale virtualization clusters, such as shared boot and application storage for around 40-60 general-purpose virtual machines.
Q: Is MZ7LM1T9HCJM-00003 suitable for a write-heavy database server?
A: Yes, it is suitable for many write-intensive database workloads. With 1.3 DWPD, 2800 TBW, Samsung V-NAND 3D TLC, and 95 µs typical latency, it offers strong endurance and consistent enterprise 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 drive writes per day, meaning the full 1.92 TB capacity can be written about 1.3 times daily throughout its warranty period under normal enterprise conditions.
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 sudden outages, reducing corruption risk and improving data integrity, which is especially important for databases and RAID environments.
Q: What RAID level is recommended for this SSD?
A: The best RAID level depends on your priority. RAID 10 is typically recommended for databases because it delivers strong redundancy and high write performance, while RAID 5 or 6 suits capacity-focused applications.