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| Brand | Samsung |
|---|---|
| Model | SM863A |
| Capacity | 960GB |
| Usage Class | Mixed Use / Data Center |
| Host Interface | SATA 6.0 Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND (48-layer) MLC |
|---|---|
| Drive Writes Per Day | 3 |
| Total Bytes Written | 6132 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 earlier MZ7KM960HAHP, the MZ7KM960HMJP0D3 (SM863A) advances the platform with Samsung 48-layer V-NAND MLC, pairing 3 DWPD and 6,132 TBW with up to 520/485 MB/s and 97K/28K IOPS for a more endurance-focused enterprise SATA tier. Its unique value is delivering near-interface-limit SATA performance with true write-intensive longevity at 960GB, making it a strong fit for virtualization, OLTP databases, and log-heavy server workloads where consistency and drive life matter more than headline capacity.
With an endurance rating of 6,132 TBW and 3 DWPD, the MZ7KM960HMJP0D3 is designed for sustained enterprise write workloads over its service life. In practical terms, under typical OS, application, logging, and virtualization workloads, it can comfortably serve as a long-term system or mixed-use enterprise drive with ample write headroom for many years of operation. Its enterprise-grade reliability is reinforced by power-loss protection (PLP), which helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and downtime. An UBER of 1.0E-17 and a 2 million hour MTBF indicate a very low likelihood of unrecoverable bit errors and strong overall operational reliability, helping procurement teams deploy it with confidence in business-critical environments.
1. The SATA 6.0 Gb/s interface, paired with 520 MB/s sequential read speed, enables straightforward drop-in upgrades for legacy enterprise platforms while accelerating OS boot, database scan, and backup restore workflows.
2. Up to 97,000 random read IOPS helps the drive sustain fast response under highly fragmented access patterns, making it well suited for virtualized servers, OLTP databases, and read-heavy application tiers.
3. A 3 DWPD endurance rating gives enterprises the write headroom needed for sustained daily logging, caching, and mixed-workload operation without prematurely consuming drive life.
4. Samsung 48-layer V-NAND MLC provides a strong balance of endurance, consistency, and data integrity, which is especially valuable in always-on datacenter environments that prioritize predictable long-term reliability.
5. With typical latency of 100 µs, the drive reduces storage wait time per transaction, helping improve application responsiveness and maintain steadier QoS in multi-tenant enterprise workloads.
Lower capacity reference: 480GB Higher capacity reference: 1.92TB Capacity positioning analysis: In this series, the 960GB model sits at the sweet spot between entry density and large-capacity consolidation. Compared with the 480GB option, it gives much better headroom for OS images, application growth, logs, and overprovisioning, reducing early capacity pressure. Compared with the 1.92TB version, it usually delivers the most practical balance of acquisition cost, usable space, and enterprise-grade performance consistency. It is well suited for mid-scale virtualization clusters, such as hosting boot and middleware storage for about 40 to 60 business application VMs.
Q: Is MZ7KM960HMJP0D3 suitable for a write-heavy database server?
A: Yes. With 3 DWPD, 6132 TBW, Samsung 48-layer V-NAND MLC, and low 100 µs typical latency, the MZ7KM960HMJP0D3 is well suited for write-intensive database and enterprise workloads.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: It is rated for 3 full drive writes per day (3 DWPD). For a 960GB SSD, that equals about 2.88TB of writes daily throughout 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). This is critical in enterprise systems because it helps protect in-flight data and metadata during sudden power failure, reducing corruption risk.
Q: What RAID level is recommended for this SSD?
A: For most enterprise deployments, RAID 10 is the preferred recommendation. It provides strong read/write performance, low latency, and solid redundancy, making it ideal for databases and write-heavy applications.