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| Brand | Samsung |
|---|---|
| Model | 850 EVO |
| Capacity | 500GB |
| Usage Class | Client |
| Host Interface | SATA |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | TLC V-NAND |
|---|---|
| Drive Writes Per Day | 0.16 |
| Total Bytes Written | 150 TBW |
| Sequential Read | 540 MB/s |
|---|---|
| Sequential Write | 520 MB/s |
| Random Read IOPS | 98000 |
| Random Write IOPS | 90000 |
| Average Latency | 50 μs |
| Mean Time Between Failures | 1.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | No |
| MPN | MZ-7TE500 |
|---|
The MZ7LN500HAJQ (850 EVO 500GB) delivers a clear generational upgrade over the MZ-7TE500 by moving to TLC V-NAND and raising endurance to 150 TBW—more than doubling the predecessor’s write life—while sustaining top-of-SATA performance at 540/520 MB/s and 98,000/90,000 IOPS. For client and mixed desktop workloads that need stronger long-term reliability without giving up SATA compatibility, this model stands out with materially better durability and steadier performance efficiency than the previous generation.
With an endurance rating of 150 TBW and 0.16 DWPD, the MZ7LN500HAJQ is well suited for typical read-focused client and light business workloads such as OS boot, office applications, and general data access. In practical terms, for a 500 GB system drive used under normal daily activity, this level of endurance is generally sufficient for many years of stable service, making it a dependable choice for long-life boot and productivity deployments. From a reliability standpoint, the drive is rated at 1.5 million hours MTBF and an UBER of 1.0E-15, which indicates a very low probability of uncorrectable bit errors and supports consistent data integrity during normal operation. This model does not include power-loss protection (PLP), so while it remains suitable for standard system and read-centric use cases, applications with frequent in-flight writes or strict power-failure data protection requirements should pair it with stable power infrastructure such as a UPS or consider a PLP-equipped SSD.
1. The SATA interface enables drop-in compatibility with mainstream enterprise servers and storage arrays, making upgrades simple in legacy or cost-optimized infrastructure.
2. Its strong sequential read performance accelerates boot volumes, image distribution, backup restores, and other read-heavy data movement tasks in business environments.
3. The high random read capability helps databases, virtual desktop pools, and metadata-intensive applications respond faster under heavy concurrent access.
4. The modest endurance rating makes this drive best suited for read-centric enterprise workloads such as content delivery, OS hosting, and reference data rather than sustained write-heavy logging or analytics.
5. TLC V-NAND combined with low typical latency provides a balanced mix of flash density, power efficiency, and consistently quick access times for scalable enterprise deployments.
Lower-capacity reference: 250GB Higher-capacity reference: 1TB Capacity positioning analysis: Within this SSD family, the 500GB model sits at the practical sweet spot. Compared with the 250GB version, it offers much better headroom for OS images, logs, patch growth, and application data, reducing the risk of early capacity pressure. Compared with the 1TB model, it keeps acquisition cost and fleet replacement budgets under tighter control while delivering essentially the same enterprise-class sequential and random I/O behavior. It is especially well suited for mid-scale virtualization clusters, such as hosting boot and utility volumes for about 40-60 infrastructure or application VMs.
Q: Is MZ7LN500HAJQ suitable for a write-heavy database server?
A: MZ7LN500HAJQ is generally not recommended for write-heavy database servers. With 0.16 DWPD, 150 TBW, and TLC V-NAND, it is better suited for read-intensive or mixed-light enterprise workloads.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated at 0.16 DWPD, meaning it can sustain about 0.16 full drive writes per day over its warranty period. For a 500GB drive, that equals roughly 80GB daily.
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: For this SSD, RAID 1 or RAID 10 is typically recommended when data protection and stable performance are priorities. RAID 5 may be less ideal due to additional write overhead.