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| Brand | Samsung |
|---|---|
| Model | PM863 |
| Capacity | 240 GB |
| Usage Class | Read Intensive |
| Host Interface | SATA 6.0 Gbps |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5" |
|---|
| NAND Flash | Samsung V-NAND 3-bit TLC |
|---|---|
| Drive Writes Per Day | 1.3 |
| Total Bytes Written | 350 TBW |
| Sequential Read | 525 MB/s |
|---|---|
| Sequential Write | 300 MB/s |
| Random Read IOPS | 99000 |
| Random Write IOPS | 10000 |
| Average Latency | 120 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ7LM1T9HCJM |
|---|
Compared with the higher-capacity MZ7LM1T9HCJM, the PM863 MZ-7LM240N delivers the same enterprise-focused Samsung V-NAND 3-bit TLC architecture in a more cost-efficient 240 GB footprint, making it a stronger fit for SATA boot drives, hypervisor OS volumes, and read-centric edge nodes. Its combination of 1.3 DWPD, 350 TBW, up to 525/300 MB/s throughput, and 99,000/10,000 IOPS gives engineers better endurance-per-dollar and deployment flexibility than carrying over a larger prior-generation drive into capacity-light workloads.
With an endurance rating of 350 TBW and 1.3 DWPD, the MZ-7LM240N is built to handle sustained daily writes well beyond typical OS, office, and general business workloads. In practical terms, for a 240GB-class drive used as a system or boot drive, this level of endurance supports many years of stable operation under normal enterprise usage, making it a low-risk choice for long-term deployment. The drive also includes power loss protection (PLP), which helps preserve in-flight data and mapping information during an unexpected power interruption, reducing the risk of corruption and unplanned recovery events. Its UBER of 1.0E-17 indicates an enterprise-grade unrecoverable bit error rate, meaning extremely high read reliability and stronger data integrity assurance for business-critical environments.
1. The SATA 6.0 Gbps interface provides broad compatibility with legacy enterprise servers and storage arrays, enabling low-risk upgrades without changing the existing backplane or controller stack.
2. With sequential read performance of 525 MB/s, the drive helps accelerate OS boot, VM image loading, and large-file retrieval in read-heavy business environments.
3. Delivering 99,000 K IOPS in random reads, it is well suited for latency-sensitive database indexing, virtual desktop boot storms, and metadata-intensive workloads.
4. Rated for 1.3 DWPD, the SSD supports sustained daily rewrite activity with the endurance profile needed for always-on enterprise applications and mixed-use server deployments.
5. Samsung V-NAND 3-bit TLC, paired with a typical latency of 120 µs, balances flash density and responsiveness to provide cost-efficient capacity with predictable application performance.
Lower reference capacity: 120 GB Higher reference capacity: 480 GB In this Samsung enterprise SSD family, the 240 GB model sits at the sweet spot. Compared with the 120 GB version, it gives much better headroom for OS growth, logs, patches, and overprovisioning, reducing the risk of early capacity pressure in always-on workloads. Compared with the 480 GB model, it preserves nearly the same enterprise-class SATA performance profile while offering a more attractive cost point and lower per-node spend. It is best suited for small-to-mid virtualization clusters, such as hosting boot and utility volumes for about 25 to 40 light enterprise application instances.
Q: Is MZ-7LM240N suitable for a write-heavy database server?
A: Yes, it can support write-intensive database workloads thanks to 1.3 DWPD, 350 TBW endurance, low 120 µs latency, and enterprise features like PLP for better data integrity.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated at 1.3 DWPD, meaning it can sustain about 1.3 full 240 GB drive writes per day throughout its supported warranty or endurance period.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes power loss protection. PLP is critical because it helps preserve in-flight data and metadata during unexpected outages, reducing corruption risk in server environments.
Q: What RAID level is recommended for this SSD?
A: The recommended RAID level depends on the application. RAID 1 suits reliability-focused deployments, while RAID 10 is typically preferred for database and virtualization workloads requiring performance and redundancy.