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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 |
|---|
Compared with the previous-generation MZWLR1T9HCJR, the MZWLO1T9HCJR in the PM1743 Series moves to a PCIe Gen 5.0 x4 / NVMe 2.0 architecture and delivers up to 13,000 MB/s sequential read with 2,500,000 random read IOPS, giving it a clear generational advantage in bandwidth and read-side responsiveness. Built on Samsung 128-layer V6 3D V-NAND TLC and rated for 1 DWPD with 3,504 TBW, this 1.92TB drive is an especially strong fit for read-heavy virtualization clusters, high-speed database acceleration, and analytics tiers that need Gen5 throughput without stepping up to higher-endurance SKUs.
With an endurance rating of 3504 TBW and 1 DWPD, the MZWLO1T9HCJR-00B07 is designed to handle one full drive write per day across its warranty life, which is more than sufficient for typical enterprise boot, OS, logging, and mixed application workloads. In practical terms, for common system-disk use cases, this level of endurance provides long-term peace of mind and can comfortably support many years of normal operation without wear being a primary concern. For enterprise reliability, built-in power loss protection (PLP) helps preserve in-flight data and protects metadata integrity during unexpected power interruptions, reducing the risk of corruption or incomplete writes. Its ultra-low UBER of 1.0E-17, together with a 2.5 million hour MTBF, indicates a very high standard of data integrity and device dependability, making it a trustworthy choice for business-critical environments.
1. The PCIe Gen 5.0 x4 interface with NVMe 2.0 unlocks next-generation host bandwidth, helping enterprise servers clear storage bottlenecks in AI training, real-time analytics, and dense virtualization clusters.
2. With sequential read performance of 13000 MB/s, this SSD can ingest large datasets and restore multi-terabyte databases far faster, reducing batch windows and accelerating time-to-insight.
3. Delivering 2,500,000 K IOPS random reads with a typical latency of 80 µs, it keeps high-concurrency OLTP, metadata-heavy cloud services, and inference pipelines highly responsive under peak load.
4. Rated for 1 DWPD, it provides predictable endurance for mixed enterprise workloads, making it well suited to read-centric platforms that still require consistent daily overwrite capability across the full warranty period.
5. Samsung V6 (128-layer) 3D V-NAND TLC combines high bit density with enterprise-grade efficiency and reliability, enabling strong capacity scaling without sacrificing the cost structure needed for large fleet deployments.
Lower capacity reference: 960GB Higher capacity reference: 3.84TB In this series, the 1.92TB model sits at the sweet spot for mainstream enterprise deployment. Compared with the 960GB version, it gives much better headroom for OS images, application growth, and overprovisioning flexibility, reducing early capacity pressure. Compared with the 3.84TB option, it usually delivers a more attractive cost-per-deployment while maintaining essentially the same enterprise-class sequential and random performance profile. This makes 1.92TB especially well suited for mid-scale virtualization clusters, such as hosting boot and application volumes for about 40 to 60 general-purpose virtual machines.
Q: Is MZWLO1T9HCJR-00B07 suitable for a write-heavy database server?
A: Yes, it can support write-intensive database workloads. With 1 DWPD, 3504 TBW endurance, low 80 µs typical latency, and PCIe Gen5 performance, it is suitable for many 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 DWPD, meaning it can sustain one full 1.92TB drive write per day throughout its warranty period, within the specified endurance and operating conditions.
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 power failure, which is critical for maintaining data integrity and reducing corruption risk in servers.
Q: What RAID level is recommended for this SSD?
A: For enterprise deployments, RAID 1, RAID 10, or RAID 5/6 may be selected based on performance, capacity, and redundancy needs. For write-heavy databases, RAID 10 is commonly the preferred choice.