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| Brand | Samsung |
|---|---|
| Model | PM863a |
| Capacity | 960 GB |
| Usage Class | Enterprise / Data Center Read Intensive |
| Host Interface | SATA 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND TLC |
|---|---|
| Drive Writes Per Day | 1.3 |
| Total Bytes Written | 1370 TBW |
| Sequential Read | 520 MB/s |
|---|---|
| Sequential Write | 480 MB/s |
| Random Read IOPS | 97000 |
| Random Write IOPS | 24000 |
| Average Latency | 100 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ7LM960HCHP |
|---|
Compared with MZ7LM960HCHP, the PM863a MZ7LM960HMJP-000AZ delivers a more durable Samsung V-NAND TLC platform with 1.3 DWPD and 1370 TBW, making it a stronger choice for write-intensive enterprise SATA deployments. Its 960 GB capacity, 520/480 MB/s sequential throughput, and 97K/24K random IOPS make it well suited for boot, virtualization, and mixed OLTP workloads where predictable latency and endurance matter most.
With an endurance rating of 1,370 TBW and 1.3 DWPD, this 960GB SSD is designed to handle about 1.25 TB of writes per day within its rated usage profile. In typical enterprise boot, OS, and application-drive scenarios where daily writes are far lower, this provides substantial headroom and can comfortably support long-term use, including around 10 years as a system drive under normal workloads. Enterprise-grade power loss protection helps preserve in-flight data and protect metadata integrity during unexpected power interruptions, reducing the risk of corruption and unplanned recovery events. Its UBER of 1.0E-17 indicates an extremely low probability of unrecoverable bit errors, supporting high data integrity expectations for business-critical environments.
1. The SATA 6Gb/s interface, paired with 520 MB/s sequential read performance, enables a drop-in upgrade for legacy enterprise servers while accelerating full-dataset scans, backup restores, and OS boot operations.
2. With 97,000 random read IOPS, this drive can sustain highly concurrent access patterns, helping virtualized environments and read-heavy databases respond faster during peak demand.
3. A 1.3 DWPD endurance rating gives enterprises the write headroom needed for mixed-use workloads, reducing replacement frequency and supporting predictable lifecycle planning in always-on deployments.
4. Samsung V-NAND TLC provides a strong balance of capacity, power efficiency, and cost, making it well suited for scale-out storage where density and TCO matter as much as reliability.
5. The 100 µs typical latency helps minimize storage wait time, improving application responsiveness for transaction processing, metadata lookups, and latency-sensitive enterprise services.
In the Samsung MZ7LM enterprise SATA SSD family, the adjacent reference points to the 960 GB MZ7LM960HMJP-000AZ are 480 GB as the next lower capacity and 1.92 TB as the next higher capacity. Across this series, sequential read/write behavior and random IOPS are generally in the same enterprise-class range, so capacity is the main sizing variable. At 960 GB, this model sits in the sweet spot of the series. Compared with the 480 GB version, it gives much better headroom for OS images, logs, application growth, and overprovisioning flexibility. Compared with the 1.92 TB option, it usually delivers the best balance of cost efficiency, usable capacity, and familiar enterprise SATA performance. It is well suited for mid-scale deployments, such as a virtualization cluster node hosting about 40 to 60 general-purpose virtual machine boot and utility volumes.
Q: Is MZ7LM960HMJP-000AZ suitable for a write-heavy database server?
A: Yes. With 1.3 DWPD, 1370 TBW, Samsung V-NAND TLC, and low 100 µs typical latency, this SSD is suitable for enterprise database workloads with moderate to heavy sustained writes.
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 model, 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 metadata during unexpected outages, reducing corruption risk and improving reliability for servers, RAID arrays, and transactional applications.
Q: What RAID level is recommended for this SSD?
A: RAID choice depends on your priority. RAID 1 suits redundancy, RAID 10 is ideal for high database performance and protection, while RAID 5 or 6 offers better capacity efficiency.