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| Brand | Samsung |
|---|---|
| Model | PM863 |
| Capacity | 960GB |
| Usage Class | Read Intensive / Data Center |
| Host Interface | SATA 6.0 Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND (32-layer) TLC |
|---|---|
| Drive Writes Per Day | 1.3 |
| Total Bytes Written | 1400 TBW |
| Sequential Read | 540 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 | MZ7TE960HMHP |
|---|
Compared with the previous-generation MZ7TE960HMHP, the Samsung PM863 MZ7LM960HCHP moves to a 32-layer V-NAND TLC platform and raises enterprise endurance to 1.3 DWPD / 1,400 TBW, giving it a clear advantage for read-intensive and mixed-use data center deployments that need longer service life at 960GB. It also delivers a stronger SATA value profile with up to 540/475 MB/s sequential performance and 99,000/18,000 IOPS, making it a more balanced choice for boot clusters, virtualized infrastructure, and content-serving nodes where durability matters as much as throughput.
With an endurance rating of 1400 TBW, the MZ7LM960HCHP is built to handle substantial write activity over its service life, making it well suited for typical server, boot, and mixed business workloads. In practical terms, 1400 TBW is roughly equivalent to writing about 384 GB every day for 10 years, so it can serve reliably as a long-term system or application drive under normal enterprise usage. Its built-in Power Loss Protection (PLP) helps preserve in-flight data and protect metadata if power is interrupted unexpectedly, reducing the risk of corruption and improving operational confidence. An UBER of 1.0E-17 and a 2 million hour MTBF further indicate enterprise-class data integrity and reliability, helping procurement teams feel confident in consistent performance and low failure risk.
1. The SATA interface paired with near-bus-limit sequential throughput makes this drive a drop-in upgrade for legacy enterprise servers, accelerating bulk data movement such as boot images, backups, and large database scans without requiring a platform change.
2. Its strong random read capability helps virtualized workloads, metadata-heavy applications, and read-centric databases return small-block data quickly even under deep queue pressure.
3. The endurance profile supports steady daily overwrites in enterprise use, giving IT teams confidence for mixed-use deployments where capacity utilization is high and write activity is continuous.
4. Samsung’s V-NAND TLC architecture balances density, power efficiency, and cost, making it well suited for scale-out storage tiers that need dependable performance at mainstream enterprise economics.
5. The low typical read latency reduces storage response time at the microsecond level, improving application consistency for latency-sensitive workloads such as OLTP, VDI, and transactional caching.
Lower capacity reference: 480GB Higher capacity reference: 1.92TB In the MZ7LM series, the 960GB model sits at a practical sweet spot. Compared with the 480GB version, it gives much more headroom for OS images, application growth, and daily data churn, reducing early capacity pressure. Compared with the 1.92TB option, it delivers essentially the same enterprise-class read/write behavior while keeping acquisition cost and per-node spend under better control. This makes 960GB a balanced choice for mid-scale deployments, such as a virtualization cluster hosting about 40-60 general-purpose virtual machines or a compact business database tier.
Q: Is MZ7LM960HCHP suitable for a write-heavy database server?
A: It can support moderate to heavy database workloads, but for consistently write-intensive servers, 1.3 DWPD is mid-range. For very high write pressure, a higher-endurance enterprise SSD would be safer.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: The rated endurance is 1.3 full drive writes per day, which equals about 1.25TB of writes daily on a 960GB drive. Its total endurance is specified at 1,400TBW.
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 mapping tables during unexpected outages, which is critical for preventing corruption and maintaining storage consistency.
Q: What RAID level is recommended for this SSD?
A: For database or virtualization workloads, RAID 10 is typically recommended for the best balance of performance, redundancy, and write efficiency. RAID 1 is also suitable for smaller mirrored deployments.