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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-7GE9600 |
|---|
Compared with the MZ-7GE9600, the PM863a (MZ7LM960HMJP-00005) advances the platform with a 1.3 DWPD / 1360 TBW endurance envelope and up to 97,000/24,000 random IOPS, giving 960 GB SATA deployments more headroom for sustained mixed-enterprise workloads. Its Samsung V-NAND 3-bit TLC design combines near-interface-limit 520/480 MB/s throughput with stronger write-endurance density, making it a better choice than the prior generation for read-centric virtualization, boot, and content-serving tiers.
With an endurance rating of 1,360 TBW and 1.3 DWPD, this SSD is designed to comfortably handle typical enterprise read/write activity over its service life. In practical terms, for common OS, boot, and general server workloads, it can serve reliably as a system drive for many years, with write endurance well beyond normal day-to-day usage. Its enterprise-grade reliability is further strengthened by power loss protection, which helps preserve in-flight data and prevent metadata corruption if power is interrupted unexpectedly. In addition, the ultra-low UBER of 1.0E-17 and 2 million hours MTBF indicate a very high standard of data integrity and long-term operational stability, giving procurement teams greater confidence in deployment.
1. The SATA interface ensures broad drop-in compatibility with mainstream enterprise servers and storage arrays, making it a low-risk upgrade path for legacy infrastructure.
2. Its near bus-limit sequential read performance helps accelerate backup restores, OS boot storms, and large file distribution in read-heavy data center environments.
3. Strong random read capability enables faster response for virtualized workloads, indexing, and high-concurrency database access patterns.
4. This endurance profile is well suited for mixed-use enterprise deployments that need dependable daily write capacity without stepping up to a heavy-write SSD tier.
5. Samsung V-NAND TLC, paired with low typical latency, delivers a practical balance of cost efficiency, predictable QoS, and responsive application performance for cloud and enterprise workloads.
Lower-capacity reference: 480 GB Higher-capacity reference: 1.92 TB Typical performance for the same series: around 540 MB/s sequential read, 520 MB/s sequential write, up to about 97K random read IOPS, and about 28K random write IOPS, with only minor variation by capacity. Capacity positioning analysis: The 960 GB model is the sweet spot in this series. Compared with the 480 GB version, it provides much healthier space headroom for operating systems, middleware, logs, snapshots, and steady data growth, reducing the risk of early capacity pressure. Compared with the 1.92 TB option, it preserves nearly the same enterprise SATA performance while keeping acquisition cost and per-node budget under tighter control. It is especially well suited for mid-sized virtualization clusters, such as hosting boot and application volumes for about 40 to 60 general-purpose virtual machines.
Q: Is MZ7LM960HMJP-00005 suitable for a write-heavy database server?
A: Yes, it is suitable for moderately write-intensive database workloads. With 1.3 DWPD, 1360 TBW, low 120 µs latency, and enterprise features, it supports reliable performance in demanding server environments.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This SSD is rated for 1.3 full drive writes per day. For a 960 GB capacity, that equals about 1.25 TB of writes daily throughout its specified warranty endurance 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 data integrity in enterprise and database applications.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is typically recommended for this SSD in performance-sensitive server workloads, as it combines strong redundancy with fast read/write performance. RAID 1 or 5 may also fit specific capacity needs.