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| Brand | Samsung |
|---|---|
| Model | PM1725a |
| Capacity | 1.6TB |
| Usage Class | Enterprise |
| Host Interface | NVMe PCIe Gen3 x4 |
|---|---|
| Total Interface Bandwidth | 32 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND 3bit MLC (TLC) |
|---|---|
| Drive Writes Per Day | 5 |
| Total Bytes Written | 14600 TBW |
| Sequential Read | 3300 MB/s |
|---|---|
| Sequential Write | 2600 MB/s |
| Random Read IOPS | 800000 |
| Random Write IOPS | 160000 |
| Average Latency | 90 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZWLW1T6HMLH |
|---|
Compared with the earlier MZWLW1T6HMLH generation, the Samsung PM1725a (MZ-WLL1T60) advances to a PCIe Gen3 x4 NVMe design that delivers up to 3,300/2,600 MB/s and 800K/160K IOPS while maintaining enterprise-grade endurance at 5 DWPD and 14.6 PBW. Its standout value is the combination of very high mixed-workload performance with Samsung V-NAND TLC efficiency, making it a stronger fit than prior-generation SAS/SATA enterprise SSDs for virtualization clusters, OLTP databases, and read-heavy analytics nodes that need both throughput density and durable write headroom.
With 14,600 TBW endurance and a 5 DWPD rating, the MZ-WLL1T60 is designed for sustained heavy write workloads far beyond typical OS boot, application, and general server usage. In practical terms, under a normal system-disk or mixed enterprise workload, this level of endurance can comfortably support many years of operation, making 10-year-style usage expectations for read-dominant roles entirely reasonable. For enterprise reliability, built-in power loss protection (PLP) helps preserve in-flight data and metadata during unexpected power outages, reducing the risk of corruption and improving recovery confidence. Its 1.0E-17 UBER and 2 million hour MTBF indicate an enterprise-grade design focused on extremely low uncorrectable error rates and long-term operational stability.
1. The NVMe over PCIe Gen3 x4 architecture provides a high-bandwidth, low-overhead data path that accelerates virtualization, database access, and real-time analytics workloads.
2. Its strong sequential read capability helps large datasets, VM images, and backup snapshots load faster, reducing wait time in data-intensive enterprise environments.
3. The exceptional random read performance is well suited for mixed transactional workloads, enabling faster query response and higher VM density in heavily consolidated servers.
4. With enterprise-class write endurance rated for multiple full-drive writes per day, this SSD can sustain logging, caching, and write-heavy database activity over long deployment cycles.
5. Samsung V-NAND TLC combined with very low typical latency delivers a practical balance of capacity, reliability, and responsiveness for latency-sensitive cloud and enterprise applications.
lower_capacity: 800GB higher_capacity: 3.2TB At 1.6TB, MZ-WLL1T60 sits in the sweet spot of the family. Compared with the 800GB model, it gives much better headroom for OS growth, log expansion, hot data, and overprovisioning, reducing capacity pressure in always-on enterprise workloads. Compared with the 3.2TB option, it usually preserves nearly the same enterprise-class sequential and random performance while keeping acquisition cost, rebuild exposure, and stranded capacity under better control. In practice, it is a strong fit for a mid-size virtualization cluster, such as hosting boot and application volumes for about 40 to 60 business VMs.
Q: Is MZ-WLL1T60 suitable for a write-heavy database server?
A: Yes. The MZ-WLL1T60 is well suited for write-heavy database workloads, thanks to its 5 DWPD endurance, 14,600 TBW rating, low 90 µs latency, and enterprise NVMe PCIe Gen3 x4 interface.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated at 5 DWPD, meaning it can handle about five full 1.6TB drive writes per day throughout its warranty period, aligning with its 14,600 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 in enterprise environments because it helps protect in-flight data and metadata during sudden outages, reducing corruption risk and improving data integrity.
Q: What RAID level is recommended for this SSD?
A: The recommended RAID level depends on your goal. For database and enterprise use, RAID 10 is commonly preferred because it balances high performance, redundancy, and fast rebuild times.