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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 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 | 95 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ-7L39600 |
|---|
Compared with the earlier MZ-7L39600, the MZ-7L396000 PM863 sharpens the enterprise SATA value proposition by combining 960 GB of usable capacity with 1.3 DWPD and 1,400 TBW, giving it a stronger fit for longer-life mixed-read/write server deployments. Its Samsung V-NAND 3D TLC design also sustains near-interface-limit 520/475 MB/s throughput and up to 99,000/18,000 IOPS, making it a more dependable choice than typical same-class SATA SSDs for boot, cache, and read-centric virtualization tiers.
With an endurance rating of 1,400 TBW and 1.3 DWPD, the MZ-7L396000 is designed to sustain substantial daily write activity over its service life, making it well suited for demanding business and data-center workloads. In typical system-disk or read-intensive server use, this level of endurance means the drive can operate for many years with a comfortable reliability margin, rather than being a wear-limited component. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and maintain metadata integrity if power is unexpectedly interrupted. Its UBER of 1.0E-17 and 2 million-hour MTBF indicate a very low likelihood of uncorrectable bit errors and strong long-term operational reliability, helping reduce data risk and unplanned downtime.
1. The SATA 6.0 Gbps interface paired with 520 MB/s sequential read performance provides a cost-efficient upgrade path for legacy enterprise platforms, accelerating OS boot, backup restore, and large-file access without requiring a PCIe infrastructure change.
2. With 99,000 random read IOPS, the drive can sustain responsive performance in read-intensive workloads such as virtualization, metadata lookups, and high-concurrency database queries.
3. A 1.3 DWPD endurance rating gives IT teams the confidence to run steady daily write activity over the service life of the drive, making it well suited for mixed-use enterprise deployments.
4. Samsung V-NAND 3D TLC combines higher flash density with enterprise-tuned efficiency, helping deliver a strong balance of capacity, power profile, and predictable reliability in space-constrained data center environments.
5. The typical latency of 95 µs helps reduce application wait time and tail-response behavior, which is especially valuable for transactional systems and latency-sensitive server workloads.
Lower capacity reference: 480 GB Higher capacity reference: 1.92 TB For this series, the 480 GB and 1.92 TB models generally deliver enterprise-standard performance very close to the 960 GB version, with similar sequential read/write behavior and comparable random IOPS under typical mixed workloads. Capacity positioning analysis: The 960 GB model sits at the sweet spot in this series. Compared with the 480 GB version, it gives much better capacity headroom for OS images, application layers, logs, and short-term data growth, reducing the risk of early space pressure. Compared with the 1.92 TB version, it offers a more efficient balance between acquisition cost, usable capacity, and enterprise-grade performance consistency. It is especially well suited for mid-sized virtualization clusters, such as hosting boot and application volumes for roughly 40 to 60 general-purpose virtual machines.
Q: Is MZ-7L396000 suitable for a write-heavy database server?
A: Yes. With 1.3 DWPD, 1400 TBW, Samsung V-NAND 3D TLC, and 95 µs typical latency, the MZ-7L396000 is well suited for demanding database and mixed write-intensive enterprise workloads.
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. For a 960 GB SSD, that equals about 1.25 TB of writes daily across the supported 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 mapping tables during unexpected outages, which is critical for enterprise servers, databases, and transactional storage environments.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is generally recommended for this SSD in performance-sensitive server environments, as it balances speed, redundancy, and rebuild efficiency. RAID 1 or RAID 5 may also fit specific capacity needs.