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| Brand | Samsung |
|---|---|
| Model | PM1743 |
| Capacity | 15.36 TB |
| Usage Class | Enterprise / Data Center Read Intensive |
| Host Interface | PCIe Gen5 x4, NVMe 2.0 |
|---|---|
| Total Interface Bandwidth | 128 Gb/s |
| Form Factor | E3.S |
|---|
| NAND Flash | Samsung V7 (176-layer) 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 | 60 μs |
| Mean Time Between Failures | 2.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ-WLJ15T0 |
|---|
Compared with the previous-generation MZ-WLJ15T0, the Samsung PM1743 (MZ-WLO15T0) advances to a PCIe Gen5 x4, NVMe 2.0 platform, delivering up to 13,000/6,600 MB/s and 2,500,000/250,000 IOPS for substantially higher throughput and transaction density in latency-sensitive enterprise servers. Its 15.36 TB capacity, Samsung V7 176-layer TLC NAND, and 1 DWPD / 28,032 TBW endurance make it a strong fit for mixed-read virtualization, scale-out databases, and analytics clusters that need next-generation bandwidth without sacrificing predictable write life.
With an endurance rating of 28,032 TBW, this SSD can sustain approximately 7.7 TB of host writes per day for 10 years, which is a very strong margin for typical enterprise boot, system, metadata, and read-intensive application workloads. In practical terms, for use as a system drive or in mainstream server workloads, it provides long-term write endurance with comfortable headroom rather than being close to its wear limit. Its enterprise-grade reliability is reinforced by power loss protection (PLP), which helps preserve in-flight data and mapping tables during sudden power interruptions, reducing the risk of corruption or incomplete writes. An UBER of 1.0E-17 means an extremely low uncorrectable bit error rate, supporting high data integrity in large-scale storage environments, while the 2.5 million hour MTBF further reflects a design built for stable continuous operation.
1. The PCIe Gen5 x4 interface with NVMe 2.0 provides the bandwidth and command efficiency needed to keep next-generation AI, analytics, and high-core-count servers from being storage-bound.
2. Its class-leading sequential read performance accelerates large-block data movement, cutting dataset staging, checkpoint loading, and backup restore windows in data-intensive enterprise environments.
3. The exceptionally high random read capability enables consistently fast access to massive volumes of small files and metadata, making it ideal for virtualized databases, search platforms, and real-time inference workloads.
4. With enterprise-grade TLC NAND paired with a moderate write endurance profile, it offers a strong balance of density, reliability, and lifecycle cost for read-heavy cloud and scale-out deployments.
5. The very low typical latency improves application responsiveness at queue depth, helping transactional systems and latency-sensitive services deliver faster user and machine response times.
Lower capacity reference: 7.68 TB Higher capacity reference: 30.72 TB At 15.36 TB, this SSD sits in the sweet spot of the family. Compared with 7.68 TB, it gives much better capacity headroom for data growth, denser consolidation, and fewer drive slots consumed, while keeping enterprise-class throughput and IOPS essentially in the same range. Compared with 30.72 TB, it usually delivers a more attractive cost-per-deployment balance, avoiding overprovisioned capacity while preserving strong performance consistency. It is best suited for mid-sized virtualization clusters, large database nodes, or hyperconverged storage pools supporting roughly 150 to 250 mixed business application workloads.
Q: Is MZ-WLO15T0 suitable for a write-heavy database server?
A: Yes, it can support database workloads well, but for truly write-heavy environments, evaluate carefully. Its 1 DWPD endurance and 28,032 TBW are solid, though mixed-use deployment is generally the safer fit.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: The MZ-WLO15T0 is rated at 1 DWPD, meaning it can sustain one full 15.36 TB drive write per day across its warranty period, aligned with the specified 28,032 TBW endurance.
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 sudden outages, reducing corruption risk and improving reliability for enterprise applications.
Q: What RAID level is recommended for this SSD?
A: RAID recommendation depends on workload priorities. For balanced performance and redundancy, RAID 10 is commonly preferred. For capacity-focused deployments with protection, RAID 5 or RAID 6 may also be considered.