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| Brand | Samsung |
|---|---|
| Model | PM863a |
| Capacity | 3.84 TB |
| Usage Class | Enterprise/Read-Intensive |
| Host Interface | SATA 3.0 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 inch 7mm |
|---|
| NAND Flash | Samsung V3 (48L) TLC |
|---|---|
| Drive Writes Per Day | 1.3 |
| Total Bytes Written | 5460 TBW |
| Sequential Read | 520 MB/s |
|---|---|
| Sequential Write | 480 MB/s |
| Random Read IOPS | 97000 |
| Random Write IOPS | 24000 |
| Average Latency | 120 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ7LM3T8HMLP-00003 |
|---|
Compared with the earlier MZ7LM3T8HMLP-00003, this PM863a revision delivers a more robust enterprise profile by pairing Samsung V3 48-layer TLC with 1.3 DWPD and 5,460 TBW in the same 3.84 TB SATA form factor. Its key advantage over typical read-centric SATA SSDs is the combination of near-interface-limit 520/480 MB/s throughput and 97K/24K IOPS with materially stronger write endurance, making it a better fit for mixed-read/write virtualization and scale-out server storage.
With an endurance rating of 5,460 TBW and 1.3 DWPD, the MZ7LM3T8HMLP is designed to sustain heavy, sustained write activity across its service life, making it well suited for enterprise server and storage workloads. In typical use, this level of endurance means it can easily serve as a system or application drive for many years without concern over write wear, including long-term 24/7 operation under normal data center conditions. For enterprise reliability, built-in power loss protection (PLP) helps preserve in-flight data and protects mapping tables during unexpected power interruptions, reducing the risk of corruption or downtime. Its 1.0E-17 UBER and 2 million-hour MTBF indicate a very low rate of uncorrectable bit errors and strong long-term operational dependability, giving procurement teams confidence in data integrity and fleet stability.
1. The SATA 3.0 6Gb/s interface, paired with 520 MB/s sequential read performance, enables a drop-in upgrade for mainstream enterprise servers while accelerating boot, backup, and large-file streaming tasks without requiring PCIe infrastructure changes.
2. With up to 97,000 random-read IOPS, this SSD sustains fast response under highly fragmented workloads such as virtual machines, OLTP databases, and read-heavy web services.
3. Rated at 1.3 DWPD, it provides the write endurance needed for always-on business applications, helping IT teams deploy it confidently in mixed-use enterprise environments over the full service life.
4. Built on Samsung V3 48-layer TLC NAND, the drive balances cost efficiency, storage density, and operational reliability for scalable data center rollouts.
5. A typical latency of 120 µs helps reduce storage wait time, improving application responsiveness and supporting tighter SLA targets in transactional and multi-user systems.
Lower capacity reference: 1.92 TB Higher capacity reference: 7.68 TB At 3.84 TB, this SSD sits at the sweet spot of the family. Compared with the 1.92 TB version, it gives much better headroom for data growth, VM density, and overprovisioning flexibility without changing the familiar enterprise performance profile. Compared with the 7.68 TB model, it usually delivers the best balance of acquisition cost, usable capacity, and performance consistency for mainstream deployments. This makes 3.84 TB especially well suited for mid-scale virtualization clusters, mixed read/write database nodes, or storage pools supporting roughly 40 to 60 business application instances.
Q: Is MZ7LM3T8HMLP suitable for a write-heavy database server?
A: Yes, it can support many write-intensive database workloads. With 1.3 DWPD, 5460 TBW, TLC NAND, and 120 µs typical latency, it is well suited for enterprise server environments.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: It is rated for 1.3 full drive writes per day over its warranty period. For a 3.84 TB SSD, that equals about 4.99 TB of writes per day.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, this model includes power loss protection. PLP helps preserve in-flight data and mapping tables during sudden outages, which is critical for data integrity, consistency, and enterprise reliability.
Q: What RAID level is recommended for this SSD?
A: RAID choice depends on your workload. RAID 10 is typically recommended for databases needing strong performance and redundancy, while RAID 5 or 6 may suit capacity-focused deployments better.