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| Brand | Samsung |
|---|---|
| Model | PM1725b |
| Capacity | 1.6TB |
| Usage Class | Mixed Use / Enterprise |
| Host Interface | PCIe Gen3 x8 NVMe |
|---|---|
| Total Interface Bandwidth | 64 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND (48-layer) TLC |
|---|---|
| Drive Writes Per Day | 3 |
| Total Bytes Written | 8760 TBW |
| Sequential Read | 3300 MB/s |
|---|---|
| Sequential Write | 2200 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 | MZWLL1T6HCHP |
|---|
Compared with the previous-generation MZWLL1T6HCHP, the PM1725b (MZWLL1T6HAJQ-00005) advances to a PCIe Gen3 x8 NVMe architecture with Samsung 48-layer V-NAND TLC, delivering up to 3300/2200 MB/s and 800,000/160,000 IOPS for higher parallel throughput and faster response under mixed enterprise I/O. Its 1.6TB capacity plus 3 DWPD / 8760 TBW endurance makes it a stronger fit than legacy SAS/SATA and earlier PCIe designs for virtualization clusters, OLTP databases, and read-heavy analytics tiers that need sustained low latency without sacrificing write durability.
With an endurance rating of 8,760 TBW, this SSD is designed to handle a very high volume of writes over its service life, making it suitable for write-intensive enterprise environments as well as far lighter system-disk workloads. In practical terms, for typical OS, boot, application, and general server workloads, this level of endurance is comfortably sufficient for many years of continuous use and is well beyond what most system drives will ever consume. Its built-in power loss protection (PLP) helps safeguard in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and improving data integrity in enterprise systems. Combined with an ultra-low UBER of 1.0E-17, this means an extremely low probability of unrecoverable bit errors during reads, giving procurement teams added confidence in storage reliability for business-critical deployments.
1. The PCIe Gen3 x8 NVMe architecture provides the parallel bandwidth and low software overhead needed to keep enterprise databases, virtualization clusters, and analytics platforms fed with data without creating a storage bottleneck.
2. With sequential read performance of 3300 MB/s, this SSD accelerates large-block workloads such as backup restores, data warehousing, and media streaming, helping cut job completion times across shared infrastructure.
3. Its random read capability of 800,000 K IOPS enables extremely fast access to small scattered data blocks, making it well suited for high-concurrency environments like OLTP systems, VDI, and read-heavy cloud applications.
4. A 3 DWPD endurance rating gives enterprises the write stamina required for always-on workloads, supporting sustained daily rewrites in logging, caching, and mixed-use server deployments with lower replacement risk.
5. Built with Samsung V-NAND (48-layer) TLC and a typical latency of 90 µs, the drive combines efficient flash density with consistently quick response times, helping improve rack-level storage economics without sacrificing application responsiveness.
Lower-capacity reference: 800GB Higher-capacity reference: 3.2TB In this enterprise SSD family, the 1.6TB model sits at a practical sweet spot. Compared with the 800GB version, it gives meaningfully more headroom for OS images, logs, hot datasets, and overprovisioning flexibility, reducing early capacity pressure in mixed workloads. Compared with the 3.2TB model, it preserves nearly the same enterprise-class sequential and random performance profile while offering a more efficient cost-per-drive and lower budget risk. This makes 1.6TB especially well suited for mid-scale virtualization clusters, such as hosting system and application volumes for about 40 to 60 virtual machines.
Q: Is MZWLL1T6HAJQ-00005 suitable for a write-heavy database server?
A: Yes. With 3 DWPD, 8760 TBW endurance, PCIe Gen3 x8 NVMe performance, and low 90 µs typical latency, this 1.6TB Samsung V-NAND TLC 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 3 drive writes per day. For a 1.6TB capacity, that equals about 4.8TB of writes daily across the supported warranty or endurance service period.
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 data integrity for enterprise and transactional environments.
Q: What RAID level is recommended for this SSD?
A: RAID recommendation depends on your priority. For database servers, RAID 10 is typically preferred because it offers strong performance, low latency, and redundancy. RAID 1 is suitable for smaller deployments.