| Brand | Samsung |
|---|---|
| Model | PM1743 |
| Capacity | 7.68TB |
| Usage Class | Enterprise |
| Host Interface | NVMe PCIe Gen5 x4 |
|---|---|
| Total Interface Bandwidth | 128 Gb/s |
| Form Factor | E3.S |
|---|
| NAND Flash | Samsung V-NAND 6th Gen TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 14016 TBW |
| Sequential Read | 13000 MB/s |
|---|---|
| Sequential Write | 6600 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 | MZWLJ7T6HALA |
|---|
Compared with the previous-generation MZWLJ7T6HALA, the PM1743 MZ3LO7T6HBLAAD3 upgrades to PCIe Gen5 x4 and delivers up to 13,000 MB/s sequential read and 2,500,000 random-read IOPS, effectively doubling host-side bandwidth and materially increasing queue-depth efficiency for latency-sensitive enterprise workloads. With 7.68TB capacity, 14,016 TBW at 1 DWPD, and Samsung 6th Gen V-NAND TLC, it is a strong recommendation for high-density virtualization, OLTP database, and scale-out analytics nodes that need more performance per slot than prior-generation Gen4 SSDs.
With an endurance rating of 14,016 TBW and 1 DWPD, this SSD is designed to handle writing its full usable capacity every day under enterprise duty cycles, providing strong margin for sustained server and storage workloads. In typical lighter-duty roles such as OS/boot drives, virtualization hosts, or read-heavy application storage, that level of endurance generally translates into many years of reliable use before NAND wear becomes a practical concern. Its power-loss protection (PLP) helps preserve in-flight data and metadata during unexpected outages, reducing the risk of corruption and improving data integrity in business-critical environments. The enterprise-class UBER of 1.0E-17, together with a 2.5 million-hour MTBF, indicates an extremely low probability of uncorrectable bit errors and supports dependable long-term operation in demanding deployments.
1. The NVMe over PCIe Gen5 x4 interface, paired with 13,000 MB/s sequential read performance, accelerates dataset streaming and sharply reduces application and VM startup times in high-density enterprise servers.
2. With 2,500,000K random read IOPS, this SSD sustains massive parallel access for OLTP databases, real-time analytics, and heavily virtualized workloads without becoming a storage bottleneck.
3. A 1 DWPD endurance rating makes it a strong fit for mixed-use enterprise deployments that need predictable lifespan under continuous daily write activity.
4. Samsung 6th Gen V-NAND TLC provides an effective balance of cost, capacity, and reliability, enabling scalable enterprise storage without sacrificing consistent QoS.
5. The typical 80 µs latency helps shorten transaction response time and improves tail-latency behavior in latency-sensitive applications such as caching, metadata services, and AI inference pipelines.
Lower reference capacity: 3.84TB Higher reference capacity: 15.36TB At 7.68TB, this SSD sits in the sweet spot of the family. Compared with the 3.84TB model, it gives much better headroom for data growth, overprovisioning comfort, and workload consolidation without changing the expected enterprise read/write or IOPS profile. Compared with the 15.36TB option, it usually delivers the best balance between acquisition cost, usable capacity, and steady-state efficiency, avoiding overbuying for midrange deployments. It is especially well suited for a 6 to 10 node virtualization cluster, serving mixed OS, database, and application volumes for roughly 120 to 180 business VMs.
Q: Is MZ3LO7T6HBLAAD3 suitable for a write-heavy database server?
A: It can support mixed and moderate write-intensive database workloads, but with 1 DWPD it is not ideal for extremely write-heavy environments. For sustained heavy writes, a higher-endurance SSD is recommended.
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 7.68TB drive write per day during its warranty period, aligned with its 14,016TB total endurance rating.
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 maintaining data integrity and reducing corruption risk in enterprise systems.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is generally recommended for performance-critical and database workloads, balancing redundancy and speed. RAID 1 or RAID 5/6 may also fit, depending on capacity efficiency and fault-tolerance requirements.