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| Brand | Samsung |
|---|---|
| Model | PM863 |
| Capacity | 120GB |
| Usage Class | Enterprise |
| Host Interface | SATA |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | TLC V-NAND |
|---|---|
| Drive Writes Per Day | 1.3 |
| Total Bytes Written | 290 TBW |
| Sequential Read | 525 MB/s |
|---|---|
| Sequential Write | 185 MB/s |
| Random Read IOPS | 86000 |
| Random Write IOPS | 14000 |
| Average Latency | 85 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ-7TE120 |
|---|
Compared with the MZ-7TE120, the Samsung PM863 MZ-7LM1200 moves to an enterprise TLC V-NAND platform, delivering a clear generational step up in endurance and service-life predictability with 1.3 DWPD and 290 TBW for sustained 24/7 deployment. At 120GB, it is a strong fit for read-centric boot, logging, and edge-cache tiers where SATA compatibility, 525 MB/s read throughput, and 86,000 random-read IOPS provide better enterprise reliability than typical same-capacity client SSDs.
With a rated endurance of 290 TBW and 1.3 DWPD, the MZ-7LM1200 is designed to handle about 156 GB of host writes per day over a standard 5-year endurance profile, which is well above the write volume of a typical OS or boot drive. In practical terms, under common system-disk workloads, this level of endurance provides long service life and can comfortably support many years of stable daily operation. For enterprise reliability, built-in power loss protection (PLP) helps preserve in-flight data and mapping-table integrity during unexpected power interruptions, reducing the risk of corruption and unplanned recovery events. Its UBER rating of 1.0E-17 indicates an extremely low unrecoverable bit error rate, supporting high data integrity in business-critical environments, while the 2 million-hour MTBF further reflects a robust design for dependable operation.
1. The SATA interface, paired with sustained sequential read performance of 525 MB/s, makes this drive a strong fit for legacy enterprise platforms that need predictable SSD acceleration without changing existing server backplanes.
2. Its random read capability of 86,000 K IOPS helps databases, virtual desktop pools, and read-heavy application clusters respond faster under highly concurrent workloads.
3. A durability rating of 1.3 DWPD provides the write endurance needed for always-on business systems, supporting stable operation in mixed-use enterprise environments over the drive’s service life.
4. TLC V-NAND enables a practical balance of capacity, power efficiency, and cost, making large-scale SSD deployments more economical for data center operators.
5. With a typical latency of 85 µs, the drive reduces storage response delays enough to improve transaction consistency and overall application responsiveness in latency-sensitive services.
Lower-capacity reference: 60GB Higher-capacity reference: 240GB Capacity positioning analysis: Within the MZ-7LM family, the 120GB model sits at the practical sweet spot. Compared with the 60GB version, it gives much more room for OS images, logs, patches, and application growth, reducing capacity pressure in always-on enterprise environments. Compared with the 240GB option, it preserves essentially the same enterprise-class sequential and random performance profile while keeping acquisition cost and replacement budget under tighter control. This makes 120GB especially well suited for small to mid-sized virtualization clusters, such as hosting boot volumes for about 40 to 60 infrastructure or application VMs.
Q: Is MZ-7LM1200 suitable for a write-heavy database server?
A: Yes, it can support write-intensive database workloads. With 1.3 DWPD, 290 TBW, TLC V-NAND, and 85 µs typical latency, it is suitable for enterprise write-heavy server applications.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 1.3 drive writes per day. For a 120GB SSD, that equals about 156GB of writes daily on average throughout its supported endurance period.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes power loss protection. PLP helps preserve in-flight data and mapping tables during sudden outages, which is critical for data integrity, consistency, and enterprise system reliability.
Q: What RAID level is recommended for this SSD?
A: RAID 1 or RAID 10 is generally recommended for this SSD in server environments. These levels provide strong redundancy, stable performance, and better protection for business-critical data.