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| Brand | Samsung |
|---|---|
| Model | PM1725B |
| Capacity | 1.6 TB |
| Usage Class | Mixed Use |
| Host Interface | PCIe Gen3 x8 |
|---|---|
| Total Interface Bandwidth | 64 Gb/s |
| Form Factor | HHHL |
|---|
| NAND Flash | Samsung V-NAND 3D TLC |
|---|---|
| Drive Writes Per Day | 5 |
| Total Bytes Written | 14600 TBW |
| Sequential Read | 6200 MB/s |
|---|---|
| Sequential Write | 2600 MB/s |
| Random Read IOPS | 1000000 |
| Random Write IOPS | 150000 |
| Average Latency | 90 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ-PLL1T6A |
|---|
Compared with the previous-generation MZ-PLL1T6A, the PM1725B (MZ-PLL1T6C) delivers a clear generational step up with Samsung V-NAND 3D TLC, enterprise-class endurance of 5 DWPD and 14,600 TBW, and sustained performance of up to 6,200/2,600 MB/s with 1,000,000/150,000 random read/write IOPS. Its PCIe Gen3 x8 design makes this 1.6 TB drive especially compelling for latency-sensitive OLTP databases, high-concurrency virtualization, and mixed-read/write analytics workloads that need both top-tier read throughput and materially stronger write durability than mainstream TLC SSDs.
With an endurance rating of 14,600 TBW and 5 DWPD, the MZ-PLL1T6C is built for sustained write-intensive enterprise workloads and can comfortably handle repeated full-drive writes every day throughout its service life. In typical deployment scenarios, this level of endurance means it can serve as a highly dependable boot or application drive for many years, while also supporting demanding data logging, caching, and virtualization use cases with ample margin. The drive’s power loss protection (PLP) helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and improving operational stability in server environments. Its ultra-low UBER of 1.0E-17, combined with a 2 million-hour MTBF, reflects enterprise-class data integrity and reliability, giving procurement teams added confidence for business-critical deployments.
1. The PCIe Gen3 x8 interface provides wide host-side bandwidth, helping enterprise servers move large datasets faster and reduce storage bottlenecks in analytics and virtualization workloads.
2. Its 6200 MB/s sequential read performance accelerates bulk data access, shortening backup restore, media streaming, and large-scale database scan times.
3. With 1,000,000 K IOPS random read capability, the drive sustains extremely heavy small-block access patterns, making it well suited for high-concurrency OLTP, VDI, and caching tiers.
4. Rated at 5 DWPD and built on Samsung V-NAND 3D TLC, it combines enterprise-class write endurance with cost-efficient high-density flash, enabling reliable deployment in write-intensive data center applications.
5. A typical latency of 90 µs supports faster response under transactional loads, improving application QoS and helping latency-sensitive services stay consistently responsive.
Lower-capacity reference: 800 GB Higher-capacity reference: 3.2 TB Capacity positioning analysis: In this product family, the 1.6 TB MZ-PLL1T6C sits at the sweet spot between the 800 GB and 3.2 TB options. Compared with 800 GB, it gives meaningfully more headroom for OS images, application growth, logs, and overprovisioning without changing the familiar enterprise-grade performance profile. Compared with 3.2 TB, it usually delivers the best balance of acquisition cost, usable capacity, and consistent latency, avoiding unnecessary spend for lightly to moderately dense deployments. It is especially well suited for mid-scale virtualization clusters, such as hosting boot and application volumes for roughly 40 to 60 virtual machines.
Q: Is MZ-PLL1T6C suitable for a write-heavy database server?
A: Yes. With 5 DWPD, 14,600 TBW endurance, Samsung V-NAND 3D TLC, and 90 µs typical latency, MZ-PLL1T6C is well suited for write-intensive database and enterprise workload environments.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 5 drive writes per day (DWPD). For a 1.6 TB capacity, that equals about 8 TB of writes daily throughout its specified warranty period.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes PLP. Power loss protection helps preserve in-flight data and metadata during sudden outages, reducing corruption risk and improving reliability for databases, RAID arrays, and virtualized systems.
Q: What RAID level is recommended for this SSD?
A: The recommended RAID level depends on your priority. RAID 10 is generally preferred for high-performance databases, while RAID 5 or RAID 6 may suit capacity-focused, fault-tolerant deployments.