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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 Samsung 850 EVO 500GB (MZ7LN500) is a well-balanced SATA SSD for client and light workstation deployments, delivering near-interface-limit 540/520 MB/s sequential performance, 98,000/90,000 IOPS, and 150 TBW endurance on TLC V-NAND. Compared with the previous-generation MZ-7TE500, it upgrades from planar NAND to 3D V-NAND and provides a major endurance uplift to 150 TBW—roughly doubling the predecessor class—while maintaining stronger mixed-workload consistency for OS, VDI, and everyday application acceleration.
With an endurance rating of 150 TBW and 0.16 DWPD, the MZ7LN500 is well suited for typical read-centric workloads such as OS boot, office applications, thin clients, and general business PCs. In practical terms, this level of endurance is sufficient for a system drive in normal daily use for many years, making it a dependable choice for long-life client and light-duty commercial deployments. The drive also offers solid baseline reliability with a 1.5 million hour MTBF and an UBER of 1.0E-15, meaning the probability of an unrecoverable bit error is extremely low under normal operating conditions. While this model does not include power-loss protection, it remains a reliable option for environments with controlled shutdown practices or stable power infrastructure, and the 1-year warranty provides additional procurement assurance.
1. The SATA interface ensures broad compatibility with existing enterprise servers and storage arrays, while the drive’s 540 MB/s sequential read speed helps accelerate boot volumes, OS imaging, and large-file retrieval without requiring platform upgrades.
2. Its 98,000 K IOPS random read capability supports highly responsive access to small-block data, making it well suited for read-heavy virtualization, metadata lookup, and online transaction workloads.
3. With an endurance rating of 0.16 DWPD, this SSD is best aligned with mixed or predominantly read-centric enterprise deployments where predictable cost efficiency matters more than sustained heavy write cycling.
4. TLC V-NAND provides a balanced combination of density, power efficiency, and affordability, enabling higher-capacity enterprise storage tiers without sacrificing mainstream datacenter reliability.
5. A typical latency of 50 µs helps reduce storage response time at the microsecond level, improving application consistency for latency-sensitive services such as caching, indexing, and front-end database reads.
For MPN MZ7LN500 (500GB), the closest reference capacities in the same enterprise SSD family are: Lower capacity: 240GB Higher capacity: 960GB These capacities generally deliver similar enterprise-class sequential read/write behavior and random IOPS, with only minor variation under typical mixed workloads. Capacity positioning analysis: The 500GB model sits at the sweet spot of this series. Compared with the 240GB version, it offers much better headroom for OS images, logs, application growth, and overprovisioning flexibility, reducing the risk of early capacity pressure. Compared with the 960GB version, it preserves nearly the same mainstream enterprise performance profile while keeping acquisition cost and fleet budgeting under tighter control. It is best suited for medium-scale deployments, such as shared boot and application storage for about 40 to 60 business servers or edge nodes.
Q: Is MZ7LN500 suitable for a write-heavy database server?
A: MZ7LN500 is not ideal for write-heavy database servers. With TLC V-NAND, 0.16 DWPD, and 150 TBW, it is better suited for read-intensive, boot, or light mixed-workload applications.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: Its endurance rating is 0.16 DWPD, meaning about 0.16 full-drive writes per day. For a 500GB SSD, that equals roughly 80GB of writes daily across the warranty period.
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 sudden power failures.
Q: What RAID level is recommended for this SSD?
A: RAID 1 or RAID 10 is generally recommended, depending on capacity and performance needs. These levels provide redundancy and better protection, which is especially important since this SSD lacks PLP.