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| Brand | Samsung |
|---|---|
| Model | PM1743 |
| Capacity | 7.68 TB |
| Usage Class | Read Intensive |
| Host Interface | PCIe Gen5 x4 |
|---|---|
| Total Interface Bandwidth | 128 Gb/s |
| Form Factor | U.3 (2.5") |
|---|
| NAND Flash | Samsung V-NAND 6th-Gen 128-layer 3D TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 14016 TBW |
| Sequential Read | 14000 MB/s |
|---|---|
| Sequential Write | 7100 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 | MZWLO7T6HBLA-00A07 |
|---|
Compared with the previous MZWLO7T6HBLA-00A07, the PM1743 7.68TB (MZWLO7T6HBLA-00B07) advances to a PCIe Gen5 x4 platform and delivers up to 14,000/7,100 MB/s with 2,500,000/250,000 IOPS, making it a clear generational step up in host bandwidth and read-intensive transaction performance. Its 6th-Gen 128-layer Samsung V-NAND TLC, 1 DWPD rating, and 14,016 TBW endurance make it especially well suited for high-throughput database, analytics, and virtualization clusters that need top-tier sequential speed without sacrificing enterprise write life.
With an endurance rating of 14,016 TBW and 1 DWPD, the MZWLO7T6HBLA-00B07 is built to handle sustained daily write activity across its warranty period and well beyond in many typical enterprise use cases. In practical terms, for common system-boot, virtualization, and read-heavy application workloads, this level of endurance means the drive can serve reliably for many years without write wear being a concern. For enterprise reliability, built-in power loss protection (PLP) helps preserve in-flight data and protects metadata integrity if power is suddenly interrupted, reducing the risk of corruption and unplanned recovery events. Its UBER of 1.0E-17, together with a 2.5 million-hour MTBF, indicates a very low probability of unrecoverable bit errors and strong long-term operational dependability for business-critical storage environments.
1. The PCIe Gen5 x4 interface provides the bandwidth headroom needed to keep modern GPU servers, real-time analytics platforms, and scale-out storage nodes fed without the bus becoming the bottleneck.
2. With up to 14,000 MB/s sequential read performance, this SSD accelerates large dataset ingestion, checkpoint loading, and high-speed media streaming in enterprise workloads.
3. Its 2,500,000K random read IOPS, paired with an 80 µs typical latency, helps databases, virtualized clusters, and AI inference platforms deliver faster response times under highly concurrent access.
4. A 1 DWPD endurance rating makes it a strong fit for read-centric enterprise deployments where predictable longevity and stable operating cost matter more than extreme write intensity.
5. Samsung 6th-Gen 128-layer 3D TLC V-NAND balances density, power efficiency, and reliability, enabling cost-effective enterprise capacity without sacrificing consistent performance.
Lower capacity reference: 3.84 TB Higher capacity reference: 15.36 TB Capacity positioning analysis: In this enterprise SSD family, 7.68 TB is the practical sweet spot. Compared with the 3.84 TB model, it offers much better headroom for dataset growth, VM density, and overprovisioning flexibility, reducing the risk of early capacity bottlenecks. Compared with the 15.36 TB version, it usually delivers a more attractive cost profile while keeping performance in the same enterprise class for sequential throughput and random IOPS. That makes 7.68 TB a balanced choice for mid-scale deployments, such as a virtualization cluster hosting about 60 to 90 mixed-workload virtual machines or a compact all-flash database tier.
Q: Is MZWLO7T6HBLA-00B07 suitable for a write-heavy database server?
A: It can support moderate to sustained write workloads, but for truly write-heavy database servers, its 1 DWPD rating makes it better suited to mixed-use rather than intensive logging or transaction-heavy 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 handle one full 7.68 TB drive write per day over its warranty period, aligned with its 14,016 TBW endurance specification.
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 unexpected outages, reducing corruption risk and improving storage reliability in enterprise systems.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is commonly recommended when high performance and redundancy are both required. For capacity-focused deployments, RAID 5 or RAID 6 may also be considered, depending on workload and rebuild tolerance.