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| Brand | Samsung |
|---|---|
| Model | PM863 |
| Capacity | 3.84 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 | 5600 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 | MZ7LM3T8HCJM-00005 |
|---|
Compared with the earlier MZ7LM3T8HCJM-00005, the MZ7LM3T8HCJM-000D3 is the later PM863 enterprise revision, giving operators a generationally newer BOM/firmware baseline while remaining a drop-in 3.84TB SATA 6Gb/s replacement. Its unique value in the SATA class is the combination of Samsung V-NAND 3D TLC, 1.3 DWPD / 5600 TBW endurance, and up to 99,000/18,000 IOPS, making it a stronger fit for read-centric virtualization, content delivery, and mixed enterprise boot-storage tiers than commodity read-intensive SATA SSDs.
With an endurance rating of 5,600 TBW and 1.3 DWPD, the MZ7LM3T8HCJM-000D3 is designed to handle sustained enterprise write workloads over its service life. In practical terms, this level of endurance is far beyond typical OS, boot, and general server application usage, making it a dependable choice for long-term deployment under normal data center operating conditions. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and protects metadata integrity during unexpected power interruptions. Its UBER specification of 1.0E-17 indicates an extremely low unrecoverable bit error rate, supporting high data integrity and giving added confidence for business-critical storage environments.
1. The SATA 6Gb/s interface enables straightforward drop-in deployment across legacy enterprise servers and storage arrays, minimizing upgrade friction while maintaining broad ecosystem compatibility.
2. Its sequential read performance accelerates large-block data access, helping analytics platforms, backup restores, and media-serving workloads complete faster with less storage-side waiting.
3. The strong random read capability supports dense virtualization, OLTP databases, and metadata-heavy applications by sustaining responsive access under highly fragmented I/O patterns.
4. The enterprise endurance rating is well suited for mixed-read/write duty cycles, giving operators predictable lifespan and lower replacement risk in always-on production environments.
5. Samsung V-NAND 3D TLC combined with low typical latency delivers a balanced mix of capacity efficiency, consistent QoS, and faster application response for business-critical workloads.
Lower capacity reference: 1.92 TB Higher capacity reference: 7.68 TB In this series, the 3.84 TB model sits at the practical sweet spot. Versus the 1.92 TB option, it gives materially more headroom for OS images, application growth, logs, and overprovisioning flexibility, reducing early capacity pressure in steady enterprise use. Versus the 7.68 TB model, it typically delivers the better balance of acquisition cost, usable density, and broadly similar enterprise SATA performance, since sequential throughput and random IOPS remain in the same class. It is well suited for mid-scale virtualization clusters, such as hosting boot and general-purpose storage for about 40 to 60 business application VMs.
Q: Is MZ7LM3T8HCJM-000D3 suitable for a write-heavy database server?
A: Yes. With 1.3 DWPD, 5600 TBW endurance, low 120 µs typical latency, and enterprise Samsung V-NAND 3D TLC, it is suitable for mixed-use and moderately write-heavy database workloads.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated at 1.3 full drive writes per day. For a 3.84 TB capacity, that equals about 5.0 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 sudden outages, reducing corruption risk and improving reliability in servers, databases, and RAID environments.
Q: What RAID level is recommended for this SSD?
A: The best RAID level depends on workload. RAID 10 is commonly recommended for databases needing strong performance and redundancy, while RAID 5 or RAID 6 may suit capacity-focused deployments.