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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 | MZWLR7T6HALA |
|---|
Compared with the predecessor MZWLR7T6HALA, the Samsung PM1743 (MZWLO7T6HBLA) delivers a clear generational leap by moving to PCIe Gen5 x4 and reaching up to 14,000/7,100 MB/s with 2,500,000 random-read IOPS, making it far better suited for latency-sensitive AI, analytics, and high-density virtualization platforms. At 7.68 TB, it also combines Samsung 6th-Gen 128-layer V-NAND TLC with 1 DWPD and 14,016 TBW, giving architects a stronger balance of throughput, endurance, and rack-level consolidation efficiency than the previous generation.
With an endurance rating of 14,016 TBW and 1 DWPD, the MZWLO7T6HBLA is designed to handle writing its full capacity every day across the warranty period, which is well aligned with typical enterprise and mixed-use workloads. In practical terms, for common OS, boot, application, and read-intensive server scenarios, this level of endurance provides long service life with substantial write headroom and can support many years of stable operation under normal deployment conditions. For enterprise reliability, built-in Power Loss Protection (PLP) helps preserve in-flight data and protect mapping information during an unexpected power interruption, 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 uncorrectable bit error rate and strong overall dependability, making it a reassuring choice for procurement in business-critical environments.
1. The PCIe Gen5 x4 interface gives this drive the bandwidth headroom to keep modern GPU servers, high-core-count databases, and dense virtualization platforms fed without a storage-side bottleneck.
2. With sequential read performance up to 14,000 MB/s, the SSD accelerates large dataset streaming, checkpoint loading, and backup or restore operations to shorten time-to-service in data-intensive environments.
3. Delivering 2,500,000 random read IOPS, it is well suited for latency-sensitive enterprise workloads such as OLTP databases, metadata-heavy file systems, and high-concurrency cloud applications.
4. Rated for 1 DWPD and built on Samsung 6th-Gen 128-layer 3D TLC V-NAND, it balances enterprise endurance, power efficiency, and cost for read-intensive to mixed-use deployments running continuously at scale.
5. A typical latency of 80 µs helps reduce tail-response time, improving application consistency for real-time analytics, virtual machines, and transaction-heavy services.
For Samsung enterprise SSD MPN MZWLO7T6HBLA (7.68 TB), the closest reference capacities in the same mainstream enterprise tier are: Lower capacity: 3.84 TB Higher capacity: 15.36 TB Capacity positioning analysis: At 7.68 TB, this model sits at the practical sweet spot of the family. Compared with 3.84 TB, it gives substantially more headroom for data growth, overprovisioning flexibility, and denser workload consolidation without changing the expected enterprise-class read/write or random IOPS profile. Compared with 15.36 TB, it avoids the higher acquisition cost while still delivering strong usable capacity and balanced performance economics. It is especially well suited for mid-scale virtualization clusters, mixed database nodes, or a 2U server hosting around 60 to 80 business application instances.
Q: Is MZWLO7T6HBLA suitable for a write-heavy database server?
A: Yes, it can support database workloads well, thanks to 1 DWPD, 14,016 TBW, low 80 µs typical latency, and enterprise PLP. For extremely write-intensive environments, higher-DWPD models may be preferable.
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 sustain one full 7.68 TB drive write per day over its warranty term, 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 helps preserve in-flight data and metadata during unexpected outages, reducing corruption risk and improving reliability for databases, virtualization, and transactional workloads.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is commonly recommended for performance-sensitive and write-intensive applications, offering strong redundancy and low latency. RAID 5 or 6 may suit capacity-focused deployments but adds write penalty.