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| Brand | Samsung |
|---|---|
| Model | PM1743 |
| Capacity | 15.36TB |
| Usage Class | Enterprise |
| Host Interface | NVMe PCIe Gen5 x4 |
|---|---|
| Total Interface Bandwidth | 128 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND 6th Gen TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 28032 TBW |
| Sequential Read | 13000 MB/s |
|---|---|
| Sequential Write | 6600 MB/s |
| Random Read IOPS | 2500000 |
| Random Write IOPS | 250000 |
| Average Latency | 80 μs |
| Mean Time Between Failures | 2.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZWLJ15THALA |
|---|
The Samsung PM1743 (MZWLO15THBLA) brings a clear generational step over MZWLJ15THALA by moving to NVMe PCIe Gen5 x4 and delivering up to 13,000/6,600 MB/s with 2.5M/250K IOPS, making it a stronger fit for latency-sensitive database, virtualization, and AI data-pipeline workloads that can exploit higher parallelism. With 15.36TB of Samsung 6th Gen V-NAND TLC plus 1 DWPD and 28,032 TBW, it combines substantially higher interface bandwidth with enterprise-grade endurance, giving architects a more future-ready replacement for Gen4-era deployments without sacrificing capacity efficiency.
With an endurance rating of 28,032 TBW, this SSD is designed to handle very heavy write activity over a long service life; in practical terms, that is roughly 7.7 TB of writes per day for 10 years before reaching its rated endurance. For typical server boot, OS, virtualization, and general enterprise application workloads, this level of endurance provides a very large safety margin and makes the drive a dependable long-term choice. Its built-in Power Loss Protection (PLP) helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and improving system recovery consistency. The ultra-low UBER of 1.0E-17 means exceptionally strong read reliability, with an extremely low probability of uncorrectable bit errors, which is critical for enterprise environments where data integrity and stable operation are top priorities.
1. The NVMe PCIe Gen5 x4 interface, paired with class-leading sequential bandwidth, removes storage as a bottleneck for GPU servers, accelerating dataset staging, checkpoint loading, and large-scale analytics pipelines.
2. Exceptional random-read capability enables this drive to sustain massive parallel access with consistent responsiveness, making it ideal for high-concurrency databases, virtualization clusters, and AI feature-serving workloads.
3. A 1 DWPD endurance profile provides the write durability enterprises need for mixed-use deployments, supporting daily full-drive rewrites throughout the warranty period without overprovisioning for heavier write tiers.
4. Samsung 6th Gen V-NAND TLC balances density, power efficiency, and reliability, giving data centers a cost-effective flash foundation for performance-sensitive applications at scale.
5. Typical latency of 80 µs helps reduce tail-response times, improving QoS for transaction-heavy services where microsecond-level delays directly affect application throughput and user experience.
Lower capacity reference: 7.68TB Higher capacity reference: 30.72TB At 15.36TB, this model sits in the sweet spot of the family. Compared with the 7.68TB option, it provides much better headroom for data growth, denser VM packing, and longer refresh cycles without quickly running into capacity limits. Compared with the 30.72TB version, it delivers a more balanced acquisition cost while keeping broadly similar enterprise-class throughput and IOPS characteristics. That makes 15.36TB an excellent choice for mid-scale virtualization clusters, mixed database workloads, or all-flash nodes serving roughly 150-250 business application users with comfortable expansion room.
Q: Is MZWLO15THBLA suitable for a write-heavy database server?
A: MZWLO15THBLA can support database workloads, but with 1 DWPD it is better suited to mixed or read-intensive environments rather than highly write-heavy database servers with sustained daily overwrite demands.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated at 1 DWPD, meaning it can handle one full 15.36TB drive write per day across its warranty period, consistent with its 28,032TB TBW endurance rating.
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 metadata during unexpected outages, which is critical for maintaining data integrity and reducing corruption risk.
Q: What RAID level is recommended for this SSD?
A: RAID 1 or RAID 10 is typically recommended for this SSD in performance-sensitive or mission-critical environments, providing strong redundancy, fast recovery, and balanced read-write performance.