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| Brand | Samsung |
|---|---|
| Model | 860 PRO |
| Capacity | 512 GB |
| Usage Class | Client / Professional |
| 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 | 1 |
| Total Bytes Written | 600 TBW |
| Sequential Read | 560 MB/s |
|---|---|
| Sequential Write | 530 MB/s |
| Random Read IOPS | 100000 |
| Random Write IOPS | 90000 |
| Average Latency | 100 μs |
| Mean Time Between Failures | 1.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | No |
| MPN | MZ7KE512HMHP |
|---|
The MZ7KH512HAJQ (860 PRO 512GB) is a high-end SATA SSD that pairs Samsung V-NAND 2-bit MLC with 560/530 MB/s throughput and up to 100,000/90,000 IOPS, making it a strong fit for write-intensive boot, database log, and mixed-read/write enterprise client workloads where latency consistency matters. Compared with the previous-generation MZ7KE512HMHP, it delivers a major endurance uplift to 600 TBW at 1 DWPD—effectively doubling write life—while also improving sequential write performance, giving engineers a longer-lasting and more robust SATA drop-in upgrade.
With an endurance rating of 600 TBW and 1 DWPD, the MZ7KH512HAJQ is designed to handle sustained daily write activity over its intended service life, making it well suited for typical server boot, OS, and read-intensive enterprise workloads. In practical terms, for common system-disk usage patterns, this level of endurance provides long-term operational confidence and is more than sufficient for many years of stable deployment. From a reliability perspective, the drive offers an enterprise-class UBER of 1.0E-17, which indicates an extremely low probability of unrecoverable bit errors and helps support strong data integrity in demanding environments. This model does not include power-loss protection (PLP), so while it remains a dependable choice for applications with controlled shutdown behavior or lower write-cache risk, workloads requiring protection for in-flight writes during sudden power interruption should consider that requirement during procurement.
1. The SATA interface makes this drive an easy drop-in upgrade for mainstream enterprise servers and storage arrays, delivering near-bus-limit throughput without requiring a PCIe platform refresh.
2. Its sequential read performance is ideal for accelerating boot volumes, image distribution, backup restores, and other read-heavy data streaming tasks in virtualized environments.
3. Strong random read capability helps databases, VDI farms, and metadata-intensive applications stay responsive under high concurrency and bursty access patterns.
4. A full-drive-write-per-day endurance rating supports predictable daily overwrite cycles, making it well suited for mixed-use enterprise workloads with steady write pressure.
5. Samsung V-NAND 2-bit MLC combined with low typical latency provides the endurance, consistency, and fast response times needed for business-critical applications that depend on stable QoS.
Lower capacity reference: 256 GB Higher capacity reference: 1.0 TB The 512 GB MZ7KH512HAJQ sits at the sweet spot of the series. Compared with the 256 GB model, it gives much more headroom for OS images, application growth, logs, and overprovisioning flexibility, reducing the risk of early capacity pressure. Compared with the 1.0 TB version, it preserves nearly the same enterprise-class sequential throughput and random IOPS while offering a more efficient cost-to-performance balance. This makes 512 GB especially well suited for mid-scale deployments, such as shared boot and application storage for roughly 40 to 60 virtualized server instances.
Q: Is MZ7KH512HAJQ suitable for a write-heavy database server?
A: MZ7KH512HAJQ can support moderate enterprise database workloads, but for truly write-heavy database servers, its 1 DWPD rating may be limiting. Higher-endurance NVMe or SAS SSDs are usually recommended.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 1 DWPD, meaning it can sustain about one full 512GB drive write per day during its warranty period, aligned with its 600TB TBW endurance specification.
Q: Does it include power loss protection (PLP) and why is that critical?
A: No, this SSD does not include power loss protection. PLP is critical in enterprise environments because it helps prevent in-flight data loss and metadata corruption during unexpected power failures.
Q: What RAID level is recommended for this SSD?
A: The recommended RAID level depends on your workload. RAID 1 is suitable for redundancy, while RAID 10 is preferred for better performance and fault tolerance in business-critical applications.