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| Brand | Samsung |
|---|---|
| Model | PM863a |
| 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 3-bit TLC |
|---|---|
| Drive Writes Per Day | 1.3 |
| Total Bytes Written | 1360 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 | MZ-QLB9600 |
|---|
Compared with the earlier MZ-QLB9600, the PM863a MZ-7LM960NE delivers a clear generational step forward with Samsung 3-bit V-NAND, stronger enterprise endurance at 1.3 DWPD / 1360 TBW, and more stable SATA performance up to 520/480 MB/s with 97K/24K IOPS. Its unique value in the SATA class is pairing near-interface-limit throughput with write endurance that is better suited to read-heavy virtualization, boot-from-SAN, and scale-out storage nodes than typical TLC-based competitors.
With an endurance rating of 1,360 TBW and 1.3 DWPD, the MZ-7LM960NE is built to handle sustained daily writes in typical enterprise and mixed-use workloads without concern over premature wear. In practical terms, for common OS, boot, application, and logging scenarios, this level of endurance supports many years of stable service and can comfortably be viewed as a long-life system drive under normal operating conditions. The drive’s power loss protection (PLP) helps preserve data integrity by safeguarding in-flight data during unexpected power interruption, which is especially important for servers and transactional environments. Its enterprise-class UBER of 1.0E-17 and 2 million hour MTBF indicate a very low probability of unrecoverable bit errors and strong long-term operational reliability, giving buyers added confidence for business-critical deployment.
1. The SATA interface makes this drive a drop-in upgrade for legacy enterprise servers and storage arrays, simplifying refresh projects without changing the existing platform.
2. Its sequential read performance pushes close to the practical ceiling of the SATA bus, helping accelerate large database scans, backup restores, and VM image loading.
3. Strong small-block read capability supports transaction-heavy databases and dense VDI environments by serving far more concurrent requests with consistently fast access.
4. The endurance profile is built for steady daily rewrites in mixed-use enterprise workloads, reducing wear-related replacement risk in always-on deployments.
5. Samsung V-NAND TLC combines mature cost efficiency with enterprise-grade flash management, delivering a balanced fit for read-centric and mixed-workload data center use.
Lower capacity reference: 480 GB Higher capacity reference: 1.92 TB In this series, the 960 GB model sits at the sweet spot. Compared with the 480 GB version, it gives noticeably more headroom for OS images, application growth, logs, and overprovisioning, reducing early capacity pressure in always-on environments. Compared with the 1.92 TB model, it delivers a more balanced acquisition cost while keeping broadly similar enterprise SATA performance characteristics in sequential throughput and random IOPS. It is best suited for mid-scale deployments, such as boot and application storage for about 40 to 60 virtualization hosts or edge service nodes.
Q: Is MZ-7LM960NE suitable for a write-heavy database server?
A: Yes. The MZ-7LM960NE is well suited for write-intensive database workloads, thanks to its 1.3 DWPD endurance, 1360 TBW rating, low 120 µs typical latency, and enterprise PLP support.
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 about 1.3 full 960 GB drive writes per day throughout its warranty period under normal enterprise operating conditions.
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 maintaining data integrity, consistency, and system reliability in servers.
Q: What RAID level is recommended for this SSD?
A: The recommended RAID level depends on your priority. RAID 1 or RAID 10 is ideal for performance and redundancy, while RAID 5 or RAID 6 may suit capacity-focused environments.