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| Brand | Samsung |
|---|---|
| Model | PM863 |
| Capacity | 960 GB |
| 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 | 1400 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 | MZ7LM960HCHP-00003 |
|---|
Compared with the earlier MZ7LM960HCHP-00003, the MZ7LM960HCHP-000H3 is the later PM863 enterprise revision, combining Samsung 32-layer V-NAND TLC with 1.3 DWPD and 1,400 TBW to better sustain read-centric virtualization and scale-out server workloads at 960 GB. Its unique value in the SATA tier is the blend of near-interface-limit 520/475 MB/s throughput, 99,000/18,000 IOPS, and enterprise-class endurance, making it a stronger drop-in choice than typical TLC SATA SSDs for always-on datacenter deployments.
With an endurance rating of 1,400 TBW and 1.3 DWPD, the MZ7LM960HCHP-000H3 is designed to handle sustained write activity well beyond typical OS, boot, and general server application workloads. In practical terms, under normal enterprise system-disk usage, this level of endurance can support many years of stable operation with substantial write headroom, giving buyers strong confidence in long-term deployment. For enterprise reliability, this SSD includes power-loss protection (PLP), which helps preserve in-flight data and protect mapping tables if power is interrupted unexpectedly. Its UBER of 1.0E-17 and 2 million-hour MTBF indicate a very low probability of unrecoverable bit errors and a design built for dependable data-center operation.
1. The SATA 6.0 Gbps interface paired with 520 MB/s sequential read performance is ideal for legacy enterprise platforms that need fast, predictable data streaming without requiring a PCIe infrastructure upgrade.
2. With 99,000 K IOPS random read capability, this drive can accelerate small-block transactional workloads such as virtualized databases, metadata access, and high-concurrency boot environments.
3. A 1.3 DWPD endurance rating gives IT teams the confidence to deploy it in write-active enterprise applications while maintaining a practical balance between lifespan and storage cost.
4. Samsung V-NAND 32-layer 3D TLC enables higher density and better power efficiency than planar NAND, making it well suited for space-conscious data center storage expansion.
5. The 120 µs typical latency helps reduce application response time jitter, supporting smoother performance for latency-sensitive business workloads and multi-tenant server environments.
Lower capacity reference: 480 GB Higher capacity reference: 1.92 TB The 960 GB model sits at the sweet spot of this SSD family. Compared with the 480 GB version, it offers much better headroom for OS images, application stacks, logs, and steady data growth, reducing the risk of early capacity pressure. Compared with the 1.92 TB version, it delivers nearly the same enterprise-class sequential and random I/O behavior while keeping acquisition cost and capacity utilization more balanced. It is an excellent fit for mid-scale deployments, such as hosting boot and application volumes for about 40 to 60 general-purpose virtual servers.
Q: Is MZ7LM960HCHP-000H3 suitable for a write-heavy database server?
A: Yes, it is suitable for moderately write-heavy database workloads. With 1.3 DWPD, 1400 TBW, low 120 µs latency, and enterprise Samsung V-NAND, it supports reliable, 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 960 GB SSD, that equals about 1.25 TB of writes daily within its specified endurance limits.
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, which is critical for preventing corruption and maintaining storage integrity in enterprise systems.
Q: What RAID level is recommended for this SSD?
A: RAID 1, 10, or 5 can be used depending on priorities. For database and business-critical workloads, RAID 10 is commonly recommended for balanced performance, redundancy, and fast recovery.