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| Brand | Samsung |
|---|---|
| Model | PM1743 Series |
| Capacity | 1.92TB |
| Usage Class | Enterprise Data Center / Read Intensive |
| Host Interface | PCIe Gen 5.0 x4, NVMe 2.0 |
|---|---|
| Total Interface Bandwidth | 32 Gb/s |
| Form Factor | 2.5 (U.2) 15mm |
|---|
| NAND Flash | Samsung V6 (128-layer) 3D V-NAND TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 3504 TBW |
| Sequential Read | 13000 MB/s |
|---|---|
| Sequential Write | 3500 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 | MZWLR1T9HCJR |
|---|
The Samsung PM1743 Series MZWLO1T9HCJR-00A07 stands out as a 1.92TB PCIe Gen5 x4 / NVMe 2.0 enterprise SSD that pairs 13,000 MB/s sequential read throughput with 2.5M random-read IOPS, making it especially well suited for latency-sensitive virtualization, scale-out database, and AI data-feeding tiers that need extreme read concurrency without moving to a higher-endurance class. Compared with the previous-generation MZWLR1T9HCJR, this MPN delivers a clear generational step to the Gen5/NVMe 2.0 platform with substantially higher host-bandwidth potential while maintaining practical 1 DWPD endurance and 3,504 TBW, giving architects a stronger performance-per-drive option for dense server refreshes.
With an endurance rating of 3504 TBW and 1 DWPD, the MZWLO1T9HCJR-00A07 is designed to handle writing its full capacity once per day throughout its rated service life, which is more than sufficient for typical enterprise boot, system, and mixed-read workloads. In practical terms, under normal OS, application, and logging usage, this level of endurance supports long-term deployment with strong margin and can comfortably serve as a reliable system drive for many years. For enterprise reliability, built-in Power Loss Protection (PLP) helps safeguard in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and improving system recovery confidence. Its UBER of 1.0E-17, together with a 2.5 million hour MTBF, indicates a very low probability of uncorrectable bit errors and strong overall dependability for business-critical environments.
1. The PCIe Gen 5.0 x4 interface with NVMe 2.0 unlocks ultra-fast host connectivity, allowing this drive to feed GPUs, databases, and real-time analytics pipelines without becoming a storage bottleneck.
2. Its 13000 MB/s sequential read performance dramatically shortens large dataset loading, VM boot storms, and checkpoint recovery in AI and HPC environments.
3. With 2,500,000 K IOPS random read capability, the SSD sustains extremely high transaction concurrency, making it ideal for latency-sensitive OLTP databases, metadata services, and large-scale virtualization clusters.
4. Rated at 1 DWPD, it provides predictable write endurance for mixed enterprise workloads, giving operators a full-drive daily overwrite budget that supports steady long-term deployment without overprovisioning for durability.
5. Built on Samsung V6 (128-layer) 3D V-NAND TLC and delivering 80 µs typical latency, the drive combines mature flash efficiency with consistently fast response times that help keep tail latency under control in demanding cloud and enterprise applications.
Lower capacity reference: 960GB Higher capacity reference: 3.84TB At 1.92TB, this model sits at the sweet spot of the family. Compared with the 960GB version, it provides much better headroom for OS images, application data, logs, and short-term growth, reducing the risk of early capacity pressure. Compared with the 3.84TB option, it delivers a more balanced cost profile while maintaining essentially the same enterprise-class sequential and random performance characteristics. This makes 1.92TB especially well suited for mid-scale virtualization clusters, database nodes, and general-purpose application servers supporting roughly 40 to 70 mixed enterprise workloads.
Q: Is MZWLO1T9HCJR-00A07 suitable for a write-heavy database server?
A: Yes, it can support database workloads well. With 1 DWPD, 3504 TBW, low 80 µs latency, and enterprise TLC NAND, it fits mixed to moderately write-heavy server environments.
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 1.92TB drive write per day throughout its warranty period, aligned with its 3504 TB total endurance rating.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes PLP. This is critical in enterprise systems because it helps protect in-flight data and metadata during sudden power loss, reducing corruption risk and improving reliability.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is typically recommended for performance-sensitive databases, as it balances redundancy and write speed. For capacity-focused use cases, RAID 5 or RAID 6 may also be considered.