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| Brand | Samsung |
|---|---|
| Model | PM1743 |
| Capacity | 3.84 TB |
| Usage Class | Enterprise/Read-Intensive |
| Host Interface | PCIe 5.0 x4, NVMe 2.0 |
|---|---|
| Total Interface Bandwidth | 128 Gb/s |
| Form Factor | E3.S (7.5mm) |
|---|
| NAND Flash | Samsung V7 (176L) TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 7008 TBW |
| Sequential Read | 13000 MB/s |
|---|---|
| Sequential Write | 3500 MB/s |
| Random Read IOPS | 2500000 |
| Random Write IOPS | 250000 |
| Average Latency | 60 μs |
| Mean Time Between Failures | 2.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ-QL23T80 |
|---|
Compared with the MZ-QL23T80 generation, the PM1743 (MZ3LO3T8HCJR) moves to PCIe 5.0 x4 and NVMe 2.0, delivering up to 13,000 MB/s sequential read and 2.5M random-read IOPS—roughly a 2× read-bandwidth class uplift with far higher read-side concurrency. For 3.84 TB enterprise deployments, it combines Samsung 176-layer TLC with 1 DWPD / 7008 TBW, making it a stronger fit than the prior generation for latency-sensitive AI data pipelines, scale-out databases, and mixed virtualization clusters that need Gen5 throughput without sacrificing endurance.
With an endurance rating of 7008 TBW and 1 DWPD, the MZ3LO3T8HCJR 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, virtualization, and mixed-read workloads. In practical terms, under normal system-disk usage it can operate for many years with substantial write headroom, giving buyers confidence in long-term deployment stability. For enterprise reliability, built-in Power Loss Protection (PLP) helps preserve in-flight data and protects metadata integrity during unexpected power interruptions, reducing the risk of corruption and unplanned recovery events. Its 1.0E-17 UBER and 2.5 million-hour MTBF indicate a very low uncorrectable bit error rate and strong overall device reliability, making it well suited for business-critical environments where data integrity and uptime matter.
1. The PCIe Gen5 x4 interface with NVMe 2.0 gives this drive the bandwidth headroom and command efficiency needed to keep next-generation GPU servers, high-core-count databases, and composable storage platforms from being bottlenecked by media access.
2. Its class-leading sequential read performance dramatically shortens the time required to load large AI models, scan analytics datasets, and restore virtualized workloads during maintenance or failover events.
3. The exceptionally high random read capability enables dense OLTP databases, metadata-heavy file systems, and large-scale VDI environments to serve far more concurrent requests with consistently fast response.
4. Built on Samsung’s mature high-layer TLC NAND and tuned for sustained daily full-drive writes, it delivers the endurance profile enterprises need for mixed-use virtualization, cloud infrastructure, and read-centric transactional platforms without overpaying for heavier write classes.
5. The very low typical latency helps reduce tail-response delays across latency-sensitive applications, improving transaction consistency for real-time analytics, caching tiers, and performance-critical application clusters.
Lower capacity reference: 1.92 TB Higher capacity reference: 7.68 TB Capacity positioning analysis: In this enterprise SSD family, 3.84 TB is the practical sweet spot. Compared with 1.92 TB, it provides much better headroom for data growth, denser server configurations, and longer refresh cycles without changing the familiar enterprise-class throughput and IOPS profile. Compared with 7.68 TB, it usually delivers a more attractive cost-to-capacity balance while avoiding overprovisioning for mainstream workloads. This makes 3.84 TB especially well suited for mid-scale virtualization clusters, mixed database/application servers, or as a high-efficiency shared storage tier for roughly 40 to 60 business workloads.
Q: Is MZ3LO3T8HCJR suitable for a write-heavy database server?
A: It can support moderate write-intensive database workloads, but with 1 DWPD, it is better suited for mixed-use enterprise servers rather than extremely write-heavy database environments.
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 3.84 TB drive write per day across its warranty period, totaling 7008 TBW endurance.
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 mapping tables during sudden outages, which is critical for enterprise data integrity and system reliability.
Q: What RAID level is recommended for this SSD?
A: RAID recommendation depends on your priority. RAID 1 or RAID 10 is preferred for performance and redundancy, while RAID 5 or RAID 6 may suit capacity-focused deployments.