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| Brand | Samsung |
|---|---|
| Model | SM863 |
| Capacity | 960GB |
| Usage Class | Enterprise |
| Host Interface | SATA |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | MLC V-NAND |
|---|---|
| Drive Writes Per Day | 3.6 |
| Total Bytes Written | 6160 TBW |
| Sequential Read | 520 MB/s |
|---|---|
| Sequential Write | 485 MB/s |
| Random Read IOPS | 97000 |
| 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 | MZ7KM960HAHP |
|---|
Compared with the previous-generation MZ7KM960HAHP, the Samsung SM863 MZ-7KM960E strengthens the endurance-focused SATA tier with 3D MLC V-NAND, 3.6 DWPD, and 6,160 TBW at 960GB, making it a more robust choice for write-intensive enterprise deployments. Its 520/485 MB/s sequential performance and 97,000/28,000 random IOPS give this model a clear advantage for mixed-read/write virtualization, database logging, and always-on server workloads that need SATA compatibility without sacrificing enterprise reliability.
With an endurance rating of 6,160 TBW and 3.6 DWPD, the MZ-7KM960E is designed to handle intensive daily write workloads over its service life, making it far more robust than what most typical system-boot, application, or mixed enterprise workloads require. In practical terms, under normal server or workstation usage, this level of endurance supports many years of reliable operation and can be considered more than sufficient for long-term deployment as a system drive. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and protects metadata integrity if power is unexpectedly interrupted. Its UBER of 1.0E-17 indicates an extremely low probability of unrecoverable bit errors, helping ensure high data integrity in business-critical environments.
1. The SATA interface ensures broad compatibility with mainstream enterprise servers and storage arrays, making this drive an easy drop-in upgrade for legacy infrastructure refresh projects.
2. With 520 MB/s sequential read performance, it accelerates large-block data access such as database backups, VM image loading, and analytics dataset streaming.
3. Its 97,000 random read IOPS helps sustain responsive performance in read-heavy enterprise workloads like OLTP databases, virtual desktop pools, and metadata-intensive applications.
4. Rated at 3.6 DWPD, the drive is built for write-intensive environments, giving IT teams the endurance headroom needed for sustained logging, caching, and transactional workloads over its service life.
5. Built on MLC V-NAND and delivering a typical latency of 100 µs, it combines stronger write consistency with fast response times that support predictable QoS in latency-sensitive business systems.
Lower capacity reference: 480GB Higher capacity reference: 1.92TB In this series, the 960GB model sits at the sweet spot for mainstream enterprise deployments. Compared with the 480GB version, it provides much better headroom for OS images, application growth, logs, and overprovisioning-sensitive workloads, reducing the risk of early capacity pressure. Compared with the 1.92TB option, it typically delivers a more attractive cost profile while retaining essentially the same enterprise SATA performance characteristics. This makes 960GB a balanced choice for mid-scale virtualization clusters, such as hosting boot and utility volumes for around 40 to 60 virtual machines.
Q: Is MZ-7KM960E suitable for a write-heavy database server?
A: Yes. The MZ-7KM960E is well suited for write-heavy database servers thanks to its 3.6 DWPD endurance, 6160 TBW rating, MLC V-NAND, low 100 µs latency, and enterprise-class reliability.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: It is rated for 3.6 drive writes per day, meaning the 960GB drive can handle about 3.46TB of writes daily throughout its warranty period, consistent with the 6160 TBW endurance specification.
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, database, and transactional workloads.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is commonly recommended for this SSD in performance-sensitive and write-intensive environments, as it balances speed, redundancy, and rebuild reliability. RAID 1 or RAID 5 may fit other capacity priorities.