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| Brand | Samsung |
|---|---|
| Model | SM863a |
| Capacity | 960GB |
| Usage Class | Enterprise |
| Host Interface | SATA 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND 2bit MLC |
|---|---|
| Drive Writes Per Day | 3.6 |
| Total Bytes Written | 6160 TBW |
| Sequential Read | 520 MB/s |
|---|---|
| Sequential Write | 485 MB/s |
| Random Read IOPS | 95000 |
| Random Write IOPS | 28000 |
| Average Latency | 100 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ-7KM9600 |
|---|
Compared with the MZ-7KM9600, the MZ-7KM960NE SM863a delivers a clear generational step forward in enterprise SATA staying power, combining 3.6 DWPD and 6,160 TBW with Samsung 2-bit MLC V-NAND for longer sustained write life in the same 960GB, 6Gb/s footprint. It is especially strong for mixed read/write virtualization, boot-from-SAN, and database logging tiers that need near-SATA-limit throughput at 520/485 MB/s plus up to 95,000/28,000 IOPS without moving to a higher-cost SAS or NVMe platform.
With an endurance rating of 6160 TBW, the MZ-7KM960NE can sustain about 1.7 TB of host writes every day for 10 years, which is far beyond the write volume of a typical system or boot drive. In practical procurement terms, this means the drive is well suited not only for long-life OS deployment, but also for write-intensive enterprise workloads with strong endurance headroom. Its power-loss protection (PLP) helps preserve in-flight data and metadata during an unexpected outage, reducing the risk of corruption and improving operational stability in servers and storage systems. The enterprise-class UBER of 1.0E-17 means an extremely low probability of unrecoverable bit errors during reads, giving buyers added confidence in data integrity for business-critical applications.
1. The SATA 6Gb/s interface, paired with strong sequential read throughput, enables a drop-in upgrade for legacy enterprise platforms while accelerating backup, boot, and large-file retrieval workflows.
2. With up to 95,000 random read IOPS, this drive sustains responsive performance for read-heavy databases, virtual desktop pools, and high-concurrency transactional workloads.
3. A 3.6 DWPD endurance rating supports sustained write-intensive operation, making it well suited for caching tiers, logging, and mixed-workload enterprise servers that must handle frequent full-drive rewrites.
4. Samsung V-NAND 2bit MLC improves media reliability and write consistency, delivering the durability and predictable behavior demanded by always-on data center environments.
5. Typical latency of 100 µs helps reduce storage wait time, improving application responsiveness and enabling tighter QoS control in latency-sensitive enterprise systems.
Lower reference capacity: 480GB Higher reference capacity: 1.92TB The 960GB model sits at the sweet spot of this enterprise SSD family. Compared with the 480GB version, it offers much better headroom for OS images, application growth, log retention, and overprovisioning flexibility, reducing the risk of early capacity pressure. Compared with the 1.92TB option, it delivers a more attractive cost-per-deployment while maintaining essentially the same enterprise-class sequential and random performance profile. This makes 960GB an ideal choice for mid-scale virtualization clusters, such as hosting boot and application volumes for about 40 to 60 general-purpose virtual machines.
Q: Is MZ-7KM960NE suitable for a write-heavy database server?
A: Yes. The MZ-7KM960NE is well suited for write-heavy database workloads, thanks to its 3.6 DWPD endurance, 6160 TBW rating, Samsung V-NAND 2bit MLC, and low 100 µs typical latency.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: It is rated for 3.6 full drive writes per day. With 960GB capacity, that equals about 3.46TB of writes daily across its warranty period, supporting demanding enterprise write workloads.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes power loss protection. PLP is critical because it helps protect in-flight data and metadata during sudden outages, reducing corruption risk and improving storage reliability in enterprise systems.
Q: What RAID level is recommended for this SSD?
A: The recommended RAID level depends on your priority. RAID 10 is commonly preferred for database and write-intensive applications, offering strong performance, redundancy, and faster rebuilds than parity-based RAID levels.