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| Brand | Samsung |
|---|---|
| Model | PM1735a Series |
| Capacity | 1.6TB |
| Usage Class | Enterprise Data Center / Mixed Use |
| Host Interface | PCIe Gen 4.0 x8, NVMe |
|---|---|
| Total Interface Bandwidth | 16 Gb/s |
| Form Factor | 2.5 (U.2) 15mm |
|---|
| NAND Flash | Samsung V6 (128-layer) 3D V-NAND TLC |
|---|---|
| Drive Writes Per Day | 3 |
| Total Bytes Written | 8760 TBW |
| Sequential Read | 8000 MB/s |
|---|---|
| Sequential Write | 3800 MB/s |
| Random Read IOPS | 1500000 |
| Random Write IOPS | 250000 |
| 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 | MZ-WLR1T60 |
|---|
The MZ-WLR1T6B is the stronger 1.6TB PM1735a choice for latency-sensitive enterprise workloads, combining Samsung V6 (128-layer) 3D V-NAND TLC with PCIe Gen 4.0 x8 NVMe to deliver up to 8,000/3,800 MB/s and 1.5M/250K IOPS while sustaining a write endurance of 3 DWPD and 8,760 TBW. Compared with the earlier MZ-WLR1T60, this B-revision stands out as the newer platform build, giving architects a clearer path to higher-density NAND and top-tier Gen4 throughput in the same enterprise endurance class.
With an endurance rating of 8,760 TBW and 3 DWPD, the MZ-WLR1T6B is built for sustained write-intensive enterprise use over its warranted service life. In practical terms, this level of endurance is far beyond typical OS, application, boot, logging, or mixed server workloads, giving buyers strong confidence that it can operate as a highly durable system or data drive in demanding environments. The drive also includes power-loss protection (PLP), which helps preserve in-flight data and protects metadata integrity if power is interrupted unexpectedly. Its UBER of 1.0E-17 and 2 million hours MTBF indicate enterprise-class data reliability and long-term operational stability, helping reduce the risk of uncorrectable read errors and unplanned service disruption.
1. The PCIe Gen4 x8 NVMe architecture provides the bandwidth headroom needed to keep dual-socket servers, GPU nodes, and dense virtualization clusters fed without the storage bus becoming a bottleneck.
2. Its class-leading sequential read performance accelerates full-dataset scans, checkpoint loading, and large backup or analytics jobs, cutting wait time for throughput-heavy enterprise workflows.
3. The combination of extremely high random read capability and ultra-low latency sustains fast response under metadata-heavy databases, VDI boot storms, and real-time inference workloads where tail latency matters.
4. A 3 DWPD endurance profile makes it well suited for write-intensive enterprise applications such as OLTP, caching tiers, and logging platforms that overwrite data continuously throughout the warranty period.
5. Samsung V6 128-layer 3D V-NAND TLC balances enterprise-grade density, power efficiency, and predictable reliability, helping operators scale capacity without sacrificing consistent performance.
Lower capacity reference: 800GB Higher capacity reference: 3.2TB Capacity positioning analysis: Within this enterprise SSD family, the 1.6TB model sits at a practical sweet spot. Compared with the 800GB version, it provides much better space headroom for OS images, application data, logs, and short-term growth, reducing early capacity pressure. Compared with the 3.2TB option, it usually delivers a more attractive acquisition cost while keeping broadly similar sequential and random performance characteristics for mainstream enterprise workloads. In deployment terms, 1.6TB is well suited for a mid-sized virtualization cluster, such as boot and mixed workload storage for about 40 to 60 virtual machines.
Q: Is MZ-WLR1T6B suitable for a write-heavy database server?
A: Yes. With 3 DWPD endurance, 8,760 TBW, low 90 µs typical latency, and enterprise Samsung V6 TLC NAND, the MZ-WLR1T6B 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 SSD, that equals about 4.8TB of writes daily across its official warranty period.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes PLP. This is critical in enterprise systems because it helps protect in-flight data and metadata during sudden power loss, reducing corruption and improving reliability.
Q: What RAID level is recommended for this SSD?
A: It depends on the workload. RAID 10 is typically recommended for write-heavy databases, while RAID 5 or RAID 6 may suit capacity-focused environments needing redundancy and balanced performance.