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| Brand | Samsung |
|---|---|
| Model | 850 PRO |
| Capacity | 512GB |
| Usage Class | Client |
| Host Interface | SATA |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | MLC V-NAND |
|---|---|
| Drive Writes Per Day | 0.32 |
| Total Bytes Written | 300 TBW |
| Sequential Read | 550 MB/s |
|---|---|
| Sequential Write | 520 MB/s |
| Random Read IOPS | 100000 |
| Random Write IOPS | 90000 |
| Average Latency | 50 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | No |
| MPN | MZ-7PD512 |
|---|
Compared with the MZ-7PD512, the MZ7KN512HMJP 850 PRO advances to MLC V-NAND, delivering materially higher endurance at 300 TBW and stronger mixed-workload performance with up to 100,000/90,000 IOPS while sustaining near-saturating SATA throughput at 550/520 MB/s. For SATA-constrained platforms, this 512GB model offers a clear generational upgrade in write durability and steady-state responsiveness, making it the stronger choice for boot acceleration, database logs, and edge caching where long service life matters.
With an endurance rating of 300 TBW and 0.32 DWPD, this SSD can comfortably handle typical OS, application, and general business data workloads over a long service life. In practical terms, for light to moderate daily write usage, it is well suited as a system or boot drive and can operate for many years without endurance concerns, while the 2 million hour MTBF further supports stable long-term deployment. Its UBER rating of 1.0E-15 means the drive is designed for a very low rate of unrecoverable bit errors, helping maintain data integrity in enterprise environments. This model does not include power-loss protection, so while it remains a reliable choice for read-focused and standard infrastructure use, it is best deployed in systems with proper shutdown control or upstream power protection for write-critical scenarios.
1. The SATA interface paired with 550 MB/s sequential read performance enables straightforward drop-in upgrades for existing enterprise storage bays while keeping boot, backup, and large-file retrieval workflows consistently responsive.
2. With 100,000 random read IOPS, the drive can sustain heavy lookup traffic in virtualization, database, and read-centric application environments without becoming a bottleneck.
3. A 0.32 DWPD endurance rating makes it a practical fit for mixed-use enterprise workloads that prioritize dependable long-term operation over constant full-drive rewrites.
4. MLC V-NAND provides stronger write durability and data retention than typical lower-cost flash, supporting better reliability for business-critical storage deployments.
5. A typical latency of 50 µs helps reduce storage response time for transactional applications, improving VM responsiveness and accelerating access to frequently requested data.
Lower capacity reference: 256GB Higher capacity reference: 1TB Capacity positioning analysis: In this Samsung enterprise SSD family, 512GB is the practical sweet spot. Compared with the 256GB model, it provides much better headroom for OS growth, logs, patches, snapshots, and short-term workload spikes, reducing the risk of early capacity pressure. Compared with the 1TB version, it keeps acquisition cost and fleet-wide replacement budget under tighter control while still delivering essentially the same class of enterprise read/write and random IOPS behavior. It is best suited for mid-scale deployments, such as boot and application storage for about 40 to 60 virtualized business service instances.
Q: Is MZ7KN512HMJP suitable for a write-heavy database server?
A: MZ7KN512HMJP is generally not ideal for write-heavy database workloads. With 0.32 DWPD and no PLP, it is better suited for read-intensive or mixed-use applications with moderate write activity.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This SSD is rated for 0.32 drive writes per day, meaning about one-third of its 512GB capacity can be written daily over the warranty period, aligned with its 300TB TBW endurance rating.
Q: Does it include power loss protection (PLP) and why is that critical?
A: No, this model 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 interruptions.
Q: What RAID level is recommended for this SSD?
A: For this SSD, RAID 1 or RAID 10 is typically recommended when data protection and performance are important. These levels provide redundancy and are better suited than RAID 0 for business use.