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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 | MZ-3LO7T60 |
|---|
Compared with the previous-generation MZ-3LO7T60, the Samsung PM1743 (MPN MZ3LO7T6HBLT-00A07) steps up to PCIe Gen5 x4 and delivers up to 14,000/7,100 MB/s with 2,500,000/250,000 IOPS, giving a clear generational gain in host bandwidth and read-intensive transaction throughput. At 7.68 TB with 1 DWPD and 14,016 TBW on Samsung 6th-Gen 128-layer V-NAND TLC, it is a strong fit for mixed enterprise workloads such as virtualization, OLTP databases, and real-time analytics that need Gen5 performance without moving to a higher-endurance class.
With an endurance rating of 14,016 TBW and 1 DWPD, the MZ3LO7T6HBLT-00A07 is built to handle sustained daily write activity across its usable life, making it a strong fit for enterprise servers, storage nodes, and virtualization environments. In practical terms, under typical system-drive or mixed read/write business workloads, this level of endurance provides long-term peace of mind and is more than sufficient for many years of stable operation. For reliability, the drive includes Power Loss Protection (PLP), which helps preserve data in flight and prevents metadata corruption if power is unexpectedly interrupted. Its 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 operation in mission-critical deployments.
1. The PCIe Gen5 x4 interface unlocks next-generation host bandwidth, helping enterprise servers eliminate storage bottlenecks in AI pipelines, real-time analytics, and dense virtualization clusters.
2. Its class-leading sequential read performance accelerates large-block data movement, reducing application startup, dataset loading, and checkpoint restore times in throughput-hungry environments.
3. Exceptional random read capability enables the drive to sustain massive parallel request loads, making it ideal for high-concurrency databases, search platforms, and cloud-scale transaction processing.
4. A 1 DWPD endurance profile, paired with Samsung’s 6th-Gen 128-layer 3D TLC V-NAND, delivers a balanced mix of write durability, power efficiency, and cost-effective capacity for mainstream enterprise deployments.
5. Typical latency of 75 µs supports faster response consistency under demanding workloads, improving QoS for latency-sensitive applications such as OLTP, caching tiers, and virtual desktop infrastructure.
Lower-capacity reference: 3.84 TB Higher-capacity reference: 15.36 TB In this enterprise SSD family, 7.68 TB sits at the sweet spot for mainstream deployment. Versus the 3.84 TB model, it offers much better space flexibility for VM growth, snapshots, log expansion, and future workload consolidation, while keeping the same enterprise-class sequential and random performance profile. Versus the 15.36 TB option, it avoids the higher capacity premium and reduces per-drive fault domain exposure, giving a cleaner balance of cost, density, and operational efficiency. It is especially well suited for a mid-size virtualization cluster supporting roughly 120 to 160 mixed business workloads.
Q: Is MZ3LO7T6HBLT-00A07 suitable for a write-heavy database server?
A: It can support mixed or moderate write database workloads, but for truly write-heavy database servers, 1 DWPD may be limiting. We typically recommend higher-endurance models for sustained intensive writes.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This SSD is rated at 1 DWPD, meaning it supports one full 7.68 TB drive write per day during its warranty term, aligned with the 14,016 TB 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 choice depends on workload and availability goals. For most enterprise deployments, RAID 10 is preferred for strong performance and redundancy, while RAID 5 or 6 may suit capacity-focused environments.