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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 | E3.S |
|---|
| 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 | 75 μs |
| Mean Time Between Failures | 2.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ3LO7T6HBLT-00A07 |
|---|
The Samsung PM1743 7.68TB (MPN: MZ3LO7T6HBLT-00B07) combines a PCIe Gen5 x4 interface with up to 14,000/7,100 MB/s sequential performance and 2,500,000/250,000 IOPS, making it a strong fit for latency-sensitive analytics, virtualization, and high-density server deployments that need to maximize host bandwidth per drive. Compared with the earlier MZ3LO7T6HBLT-00A07 revision, this newer MZ3LO7T6HBLT-00B07 platform delivers a clear generational step forward in throughput potential while retaining enterprise-grade 1 DWPD endurance and 14,016 TBW on Samsung 6th-Gen 128-layer V-NAND TLC.
With an endurance rating of 14,016 TBW and 1 DWPD, the MZ3LO7T6HBLT-00B07 is built to handle sustained enterprise write workloads over its service life. In practical terms, this level of endurance is far beyond typical OS, boot, logging, and general server application demands, making it a dependable choice for long-term system-disk or mixed-workload deployment with substantial write headroom. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and prevents metadata corruption if power is suddenly interrupted. Its UBER rating of 1.0E-17 indicates an extremely low probability of uncorrectable bit errors during reads, supporting high data integrity, while the 2.5 million-hour MTBF further reflects strong design robustness for business-critical environments.
1. The PCIe Gen5 x4 interface provides the bandwidth headroom needed to keep modern GPU servers, high-core-count CPUs, and disaggregated storage platforms fed without the bus becoming the bottleneck.
2. Its class-leading sequential read performance sharply reduces dataset staging, checkpoint loading, and large-scale backup restore times in AI, analytics, and content delivery environments.
3. The extremely high random read capability enables massive parallel access with consistently fast response under heavy mixed workloads such as virtualization, OLTP databases, and high-concurrency cloud services.
4. A 1 DWPD endurance profile is well aligned with read-centric enterprise deployments, giving operators predictable lifetime and lower replacement risk for mainstream data center workloads.
5. Built on Samsung 128-layer 3D TLC V-NAND with very low typical latency, the drive balances density, efficiency, and responsiveness to accelerate time-to-first-byte for latency-sensitive applications.
Lower capacity reference: 3.84 TB Higher capacity reference: 15.36 TB Capacity positioning analysis: In this series, 7.68 TB is the sweet-spot capacity for mainstream enterprise deployments. Compared with 3.84 TB, it gives far more headroom for VM growth, log retention, and dataset expansion without increasing drive count too quickly. Compared with 15.36 TB, it usually delivers a better balance of acquisition cost, usable capacity, and operational efficiency while maintaining broadly similar enterprise-class sequential throughput and random IOPS. It is especially well suited for mid-scale virtualization clusters, high-density application servers, or shared storage pools supporting roughly 150 to 250 business workloads.
Q: Is MZ3LO7T6HBLT-00B07 suitable for a write-heavy database server?
A: It can support mixed database workloads, but for truly write-heavy servers, its 1 DWPD rating may be limiting. It is better suited for read-intensive or balanced enterprise 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 7.68 TB drive write per day throughout its warranty period, aligned with the 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 helps preserve in-flight data and metadata during sudden outages, which is critical for enterprise systems requiring data integrity and transactional consistency.
Q: What RAID level is recommended for this SSD?
A: RAID 1, RAID 10, or RAID 5/6 may be selected depending on performance and redundancy needs. For databases and latency-sensitive workloads, RAID 10 is typically the most balanced recommendation.