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| Brand | Samsung |
|---|---|
| Model | PM1725b Series |
| Capacity | 1.6TB |
| Usage Class | Enterprise Data Center / Mixed Use |
| Host Interface | PCIe Gen 3.0 x4, NVMe |
|---|---|
| Total Interface Bandwidth | 8 Gb/s |
| Form Factor | 2.5 (U.2) 15mm |
|---|
| NAND Flash | Samsung 48-layer 3D V-NAND 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 | 2.0 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZWLL1T6HEHP |
|---|
Compared with the earlier MZWLL1T6HEHP, the MZWLL1T6HAJQ-00AD3 in Samsung’s PM1725b Series is the stronger fit for mixed and write-intensive enterprise workloads, combining 5 DWPD endurance and 14,600 TBW with 3,300/2,600 MB/s sequential throughput and up to 800K/160K random IOPS. Its standout value is delivering this high-endurance, low-latency PCIe Gen3 x4 NVMe performance in a 1.6TB Samsung 48-layer 3D V-NAND TLC design, making it especially well suited for OLTP databases, virtualization clusters, and high-duty caching tiers.
With an endurance rating of 14,600 TBW and 5 DWPD, this SSD is built for sustained write-intensive enterprise use, allowing the full drive capacity to be written five times per day over its rated life. In typical server or system-disk workloads, this level of endurance translates into many years of worry-free operation and is more than sufficient for long-term OS, application, and mixed data-processing deployments. Its built-in Power Loss Protection (PLP) helps preserve in-flight data and protect mapping tables during unexpected power interruptions, reducing the risk of corruption and improving service continuity. An UBER of 1.0E-17 means the drive is engineered for an extremely low unrecoverable bit error rate, supporting high data integrity in business-critical environments.
1. The PCIe Gen3 x4 NVMe architecture enables multi-gigabyte data streaming with far lower protocol overhead than SATA or SAS, accelerating analytics, virtualization, and database workloads.
2. Its high sequential read bandwidth shortens boot, scan, backup, and large-file ingestion windows, helping servers move more data in less time.
3. The strong random read capability sustains fast response under heavily concurrent access, making it well suited for OLTP databases, VDI, and read-intensive cloud applications.
4. The enterprise endurance rating supports frequent full-drive rewrites over years of continuous service, reducing replacement risk in cache, logging, and mixed-workload environments.
5. Built on Samsung 48-layer 3D V-NAND TLC with low typical latency, it balances enterprise-class capacity efficiency with predictable responsiveness for latency-sensitive applications.
Lower capacity reference: 800GB Higher capacity reference: 3.2TB In this series, the 1.6TB model is the practical sweet spot. Compared with the 800GB version, it offers much better headroom for sustained growth, mixed workloads, and higher VM density without changing the expected enterprise-class read/write or random IOPS behavior. Compared with the 3.2TB option, it usually delivers the best balance of acquisition cost, usable capacity, and performance consistency, avoiding overprovisioning for mid-sized deployments. It is especially well suited for a virtualization cluster, database tier, or hyper-converged node serving roughly 40 to 60 general-purpose virtual machines.
Q: Is MZWLL1T6HAJQ-00AD3 suitable for a write-heavy database server?
A: Yes. With 5 DWPD endurance, 14,600 TBW, low 90 µs typical latency, and enterprise Samsung 48-layer 3D V-NAND TLC, this SSD is well suited for write-intensive database workloads.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 5 DWPD, meaning it can sustain about five full 1.6TB drive writes per day throughout its warranty period, aligning with its 14,600 TBW endurance rating.
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 maintaining data integrity and reducing corruption risk.
Q: What RAID level is recommended for this SSD?
A: RAID choice depends on workload and availability needs. RAID 10 is commonly recommended for high-write, latency-sensitive applications, while RAID 5 or 6 may suit capacity-focused environments.