| 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 |
|---|
The Samsung 850 PRO 512GB (MZ-7KE512) is a strong generational upgrade over the MZ-7PD512, pairing MLC V-NAND with up to 300 TBW endurance—roughly 4× higher write life—while sustaining near-SATA-limit throughput at 550/520 MB/s and up to 100,000/90,000 IOPS. For engineers refreshing legacy SATA SSD tiers, this MPN delivers its clearest advantage in write-intensive client, workstation, and read-cache deployments where higher endurance and better long-term consistency matter more than a marginal interface change.
With an endurance rating of 300 TBW, the MZ-7KE512 can sustain about 82 GB of host writes per day over 10 years, which is more than sufficient for typical OS, boot, office, and general application workloads. In practical terms, for read-heavy or mixed everyday enterprise use as a system drive, this level of endurance provides long service life and comfortable wear margin. Its UBER specification of 1.0E-15 indicates a very low uncorrectable bit error rate, helping ensure solid read reliability and data integrity in normal operation. This model does not include power-loss protection (PLP), so while it remains a dependable choice for system and non-write-critical applications, deployments in environments with sudden power-failure risk should use stable power infrastructure or UPS protection.
1. The SATA interface enables broad compatibility with legacy enterprise servers and storage arrays, making this drive a low-friction upgrade for existing datacenter platforms.
2. Its sequential read performance helps accelerate bulk data access, reducing wait time for boot images, analytics datasets, and read-heavy backup recovery jobs.
3. Strong random read capability supports high-transaction environments such as virtualized infrastructure, metadata lookup, and database query workloads with consistent responsiveness.
4. Built with MLC V-NAND and rated for light daily rewrite intensity, it is well suited for read-centric enterprise deployments that need better endurance stability than consumer-grade flash.
5. The very low typical latency improves application snappiness under load, helping mission-critical services deliver faster response times and smoother quality of service.
Lower reference capacity: 256GB Higher reference capacity: 1TB Typical same-series performance reference: 256GB: up to 550 MB/s read, 520 MB/s write, up to 100K/90K random read/write IOPS 512GB: up to 550 MB/s read, 520 MB/s write, up to 100K/90K random read/write IOPS 1TB: up to 550 MB/s read, 520 MB/s write, up to 100K/90K random read/write IOPS The 512GB model sits at the sweet spot of the series. Compared with the 256GB version, it gives meaningfully better headroom for OS images, logs, application growth, and overprovisioning, reducing capacity pressure in daily operation. Compared with the 1TB option, it preserves nearly the same class of throughput and IOPS while keeping acquisition cost and fleet-level budgeting more controlled. It is best suited for small to mid-scale deployments, such as a compact virtualization cluster, database replicas, or edge servers running multiple business-critical workloads.
Q: Is MZ-7KE512 suitable for a write-heavy database server?
A: The MZ-7KE512 is better suited for mixed or read-focused enterprise workloads. With 0.32 DWPD and 300 TBW, it is not the ideal choice for sustained write-heavy database environments.
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 within the specified endurance limits.
Q: Does it include power loss protection (PLP) and why is that critical?
A: No, the MZ-7KE512 does not include power loss protection. PLP is critical in enterprise systems because it helps prevent in-flight data loss and metadata corruption during sudden power failure.
Q: What RAID level is recommended for this SSD?
A: For enterprise use, RAID 1 or RAID 10 is typically recommended with this SSD to improve redundancy and performance. RAID 5 may be less suitable for write-intensive workloads due to parity overhead.