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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 | MZ3LJ15THBLA-00AD3 |
|---|
Compared with the previous-generation MZ3LJ15THBLA-00AD3, the 15.36 TB PM1743 (MZ3LO15THBLA-00AD3) steps up to PCIe Gen5 x4 and NVMe 2.0 with Samsung 176-layer V7 TLC, delivering up to 13,000/6,600 MB/s and 2,500,000/250,000 IOPS for substantially higher throughput and queue-depth scalability. Its unique value is pairing Gen5-class read performance with a 1 DWPD / 28,032 TBW endurance profile at high capacity, making it a strong fit for latency-sensitive AI data pipelines, large-scale virtualization, and mixed enterprise read-heavy databases that need more performance per drive than the prior generation.
With an endurance rating of 28,032 TBW and 1 DWPD, the MZ3LO15THBLA-00AD3 is built to handle sustained daily write activity over its service life, making it well suited for write-intensive enterprise environments. In typical server or system-disk workloads, this level of endurance means the drive can support many years of stable operation with ample write headroom, giving buyers strong confidence in long-term deployment. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and protect mapping tables during unexpected power interruptions, reducing the risk of corruption or incomplete writes. Its UBER of 1.0E-17 indicates an extremely low unrecoverable bit error rate, supporting high data integrity in business-critical storage environments, while the 2.5 million-hour MTBF further reflects a design optimized for dependable continuous operation.
1. The PCIe Gen5 x4 interface with NVMe 2.0 gives this drive the host bandwidth and command efficiency needed to keep GPU servers, high-core-count CPUs, and modern storage nodes fully fed under heavy parallel workloads.
2. Its class-leading sequential read performance accelerates large-block data movement, cutting dataset staging, checkpoint loading, and analytics scan times in AI, HPC, and scale-out storage environments.
3. The exceptionally high random read capability enables ultra-fast access to small data blocks, making it ideal for latency-sensitive databases, virtualization clusters, and high-concurrency cloud platforms.
4. Built on Samsung’s V7 176-layer TLC and tuned for enterprise endurance, it delivers a strong balance of density, power efficiency, and write life for read-intensive business applications with predictable daily rewrite demands.
5. The very low typical latency improves QoS consistency and application responsiveness, helping transactional workloads and real-time services return data with minimal delay even under sustained load.
Lower capacity reference: 7.68 TB Higher capacity reference: 30.72 TB Within this capacity stack, 15.36 TB sits at the practical sweet spot. Compared with 7.68 TB, it gives materially better headroom for dataset growth, denser consolidation, and longer refresh cycles without changing the expected enterprise performance profile. Compared with 30.72 TB, it usually delivers a more attractive cost-to-usable-capacity balance while avoiding overprovisioning for mid-sized deployments. In real terms, it is well suited for a 2U virtualization host cluster, a mixed OLTP database tier, or a high-density all-flash node serving roughly 150 to 250 business application users.
Q: Is MZ3LO15THBLA-00AD3 suitable for a write-heavy database server?
A: It can support mixed or moderate write-intensive database workloads, but with 1 DWPD it is not the best choice for extremely write-heavy servers requiring higher endurance margins.
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 sustain one full 15.36 TB drive write per day across its warranty period, aligned with 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 helps preserve in-flight data and metadata during unexpected outages, which is critical for enterprise integrity, consistency, and recovery reliability.
Q: What RAID level is recommended for this SSD?
A: RAID choice depends on workload and availability goals. RAID 10 is commonly recommended for databases needing strong performance and redundancy, while RAID 5 or 6 suits capacity-focused deployments.