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| Brand | Samsung |
|---|---|
| Model | PM863 |
| Capacity | 3.84 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 32-layer 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 | MZWLJ3T8HBLS-0007C |
|---|
The Samsung PM863 3.84TB (MZ7LM3T8HCJM-00003) stands out as a high-capacity enterprise SATA SSD that pairs 32-layer V-NAND 3D TLC with 5,600 TBW endurance and 99,000/18,000 IOPS, making it a strong fit for read-intensive virtualization, content delivery, and scale-out server storage where SATA compatibility is mandatory. Compared with the previous MZWLJ3T8HBLS-0007C generation, this model delivers a more capacity-optimized and endurance-balanced platform in the same 6.0 Gbps SATA class, giving architects better usable density and a stronger write-life profile for mainstream datacenter deployments.
With an endurance rating of 5,600 TBW and 1.3 DWPD, this SSD is built to handle sustained write activity far beyond typical server boot or general-purpose system-disk workloads. In practical terms, for common OS, application, and light-to-moderate enterprise workloads, it can be deployed with strong confidence for many years of operation, while the 2 million-hour MTBF further supports long-term service stability. This drive also includes enterprise-grade power loss protection, which helps preserve data in transit and prevents corruption risks if power is unexpectedly interrupted. Its UBER of 1.0E-17 indicates an extremely low uncorrectable bit error rate, providing a very high standard of data integrity that procurement teams can trust for business-critical environments.
1. The SATA 6.0 Gbps interface, paired with 520 MB/s sequential read performance, provides a stable drop-in upgrade path for legacy enterprise platforms, accelerating boot, backup, and large-file retrieval without requiring NVMe infrastructure changes.
2. With 99,000 random read IOPS, this SSD is well suited for virtualization clusters, metadata-heavy applications, and read-intensive databases where fast small-block access directly improves VM density and user responsiveness.
3. The 1.3 DWPD endurance rating supports sustained daily write activity in mixed-use enterprise workloads, helping operators extend service life while reducing the risk of premature replacement in always-on environments.
4. Samsung V-NAND 32-layer 3D TLC enables a strong balance of capacity, power efficiency, and flash reliability, making it a practical choice for enterprise storage tiers that need predictable performance at scale.
5. A typical latency of 120 µs helps minimize storage wait time for transactional workloads, improving application consistency and reducing tail-latency impact in multi-user server environments.
Reference capacities for Samsung MZ7LM3T8HCJM-00003 (3.84 TB): Lower-capacity reference: 1.92 TB Higher-capacity reference: 7.68 TB Note: 3.84 TB is typically the top standard point within the original MZ7LM family; 7.68 TB is best treated as a larger adjacent enterprise SATA reference with broadly similar enterprise positioning rather than a strict same-MPN-series step. Capacity positioning analysis: At 3.84 TB, this SSD sits in the sweet spot of the lineup. Compared with 1.92 TB, it gives meaningfully better capacity headroom for VM growth, log retention, and mixed application datasets without changing the familiar enterprise SATA performance profile. Compared with 7.68 TB, it preserves a stronger cost-per-deployment balance while avoiding overprovisioning in medium-density nodes. This makes 3.84 TB especially well suited for a 2U virtualization host cluster, a mid-sized database replica set, or shared boot and application storage for roughly 40 to 60 business workloads.
Q: Is MZ7LM3T8HCJM-00003 suitable for a write-heavy database server?
A: Yes, it is suitable for many write-intensive database workloads. With 1.3 DWPD, 5600 TBW endurance, PLP, and low 120 µs typical latency, it supports reliable enterprise server operation.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 1.3 DWPD, meaning it can sustain approximately 1.3 full drive writes per day over its warranty period, based on its 3.84 TB capacity and endurance design.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes power loss protection. PLP is critical in enterprise environments because it helps preserve in-flight data and metadata during unexpected power failures, reducing corruption and improving system integrity.
Q: What RAID level is recommended for this SSD?
A: The recommended RAID level depends on your priority. RAID 10 is typically best for database servers needing high performance and redundancy, while RAID 5 or 6 may suit capacity-focused environments.