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| Brand | Samsung |
|---|---|
| Model | PM1743 |
| Capacity | 7.68 TB |
| Usage Class | Read Intensive |
| Host Interface | PCIe 5.0 x4 |
|---|---|
| Total Interface Bandwidth | 32 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 | 14000 MB/s |
|---|---|
| Sequential Write | 6000 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-1LB960NE |
|---|
Compared with the MZ-1LB960NE generation, the Samsung PM1743 (MZ-WLO7T60) advances to PCIe 5.0 x4 and 6th Gen V-NAND TLC, delivering up to 14,000/6,000 MB/s and 2.5M/250K random IOPS for a clear generational leap in bandwidth and transaction latency under mixed enterprise workloads. At 7.68 TB with 1 DWPD and 14,016 TBW, this SKU is especially compelling for high-density virtualization, scale-out databases, and analytics nodes that need substantially more usable capacity per drive while maintaining enterprise-grade endurance.
With an endurance rating of 14,016 TBW and 1 DWPD, the MZ-WLO7T60 is designed to handle writing its full capacity once per day throughout its rated service life, which is more than sufficient for typical enterprise boot, system, and mixed-read workloads. In practical terms, under normal server system-disk usage, this level of endurance provides long-term peace of mind and can comfortably support many years of continuous operation without wear becoming a primary concern. For enterprise reliability, the drive includes power loss protection (PLP), which helps safeguard in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and improving system integrity. Its UBER specification of 1.0E-17, together with a 2.5 million-hour MTBF, reflects a high standard of data reliability and operational stability expected in data center environments.
1. The PCIe 5.0 x4 interface provides next-generation host bandwidth, helping dense servers remove storage bottlenecks in AI pipelines, real-time analytics, and scale-out databases.
2. Its ultra-fast sequential read performance accelerates large block data movement, reducing model load times, backup windows, and data lake scan latency.
3. Exceptional random read capability, paired with very low response time, enables consistently fast access for metadata-heavy workloads such as virtualization, high-frequency transactions, and distributed key-value stores.
4. A 1 DWPD endurance profile is well suited for mainstream enterprise deployments, giving operators predictable longevity for mixed-read/write workloads without overpaying for unnecessary write headroom.
5. Samsung 6th Gen V-NAND TLC balances flash density, power efficiency, and reliability, making it a strong fit for cloud infrastructure that needs scalable capacity with enterprise-grade consistency.
Lower capacity reference: 3.84 TB Higher capacity reference: 15.36 TB In this series, 7.68 TB is the practical sweet spot. Compared with 3.84 TB, it gives much more headroom for data growth, reduces early capacity pressure, and helps avoid frequent drive expansion in steadily growing enterprise environments. Compared with 15.36 TB, it usually delivers a better balance of acquisition cost, usable capacity, and performance consistency, while keeping sequential and random I/O behavior in the same enterprise class. It is especially well suited for mid-scale virtualization clusters, database nodes, or hyperconverged infrastructure serving roughly 150 to 250 business application instances.
Q: Is MZ-WLO7T60 suitable for a write-heavy database server?
A: Yes, it can support database workloads well, thanks to 1 DWPD endurance, 14,016 TBW, low 75 µs latency, and PCIe 5.0 x4 bandwidth. It fits mixed to moderately write-heavy enterprise environments.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: The MZ-WLO7T60 is rated at 1 DWPD, meaning it can sustain one full 7.68 TB drive write per day throughout 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 reliability in enterprise systems.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is commonly recommended for this SSD in performance-sensitive enterprise workloads, as it provides strong redundancy and fast write performance. RAID 5 or 6 may suit capacity-focused deployments.