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| Brand | Samsung |
|---|---|
| Model | PM1733A |
| Capacity | 1.92 TB |
| Usage Class | Read Intensive |
| Host Interface | PCIe Gen4 x4 |
|---|---|
| Total Interface Bandwidth | 64 Gb/s |
| Form Factor | U.2 (2.5") |
|---|
| NAND Flash | Samsung V-NAND 6th-Gen 128-layer 3D TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 3504 TBW |
| Sequential Read | 7000 MB/s |
|---|---|
| Sequential Write | 2400 MB/s |
| Random Read IOPS | 800000 |
| Random Write IOPS | 100000 |
| Average Latency | 85 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZWLR1T9HCJR-00AD3 |
|---|
Compared with the previous MZWLR1T9HCJR-00AD3, the Samsung PM1733A MZWLR1T9HCJR-00B07 delivers a clear generational step-up with PCIe Gen4 x4 and 6th-Gen 128-layer V-NAND, driving performance to 7,000 MB/s read and 800,000 random-read IOPS while sustaining 3,504 TBW endurance. Its unique value in the 1.92 TB class is the combination of top-tier read bandwidth, enterprise-grade 1 DWPD durability, and Samsung TLC efficiency, making it a stronger fit than earlier-generation drives for latency-sensitive virtualization, scale-out databases, and high-density server boot or cache tiers.
With an endurance rating of 3504 TBW and 1 DWPD, the MZWLR1T9HCJR-00B07 is built to handle writing its full usable capacity once every day across its designed service life, which is more than sufficient for typical enterprise OS, boot, log, and mixed application workloads. In practical terms, for common system-disk or read-intensive server deployments, this level of endurance provides long-term headroom and can support many years of stable use without endurance becoming a concern. For enterprise reliability, Power Loss Protection (PLP) helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and improving system integrity. Its UBER specification of 1.0E-17 indicates an extremely low uncorrectable bit error rate, which is a key indicator of dependable data retention and read accuracy in business-critical environments.
1. The PCIe Gen4 x4 interface, paired with class-leading sequential throughput, accelerates data streaming and sharply reduces startup time for analytics, AI, and large-scale virtualization workloads.
2. Its strong random-read performance sustains fast access to massive numbers of small data blocks, helping databases and high-concurrency cloud applications respond more consistently under pressure.
3. The 1 DWPD endurance rating makes it a dependable fit for mixed enterprise workloads that require predictable write resilience across the full service life of the drive.
4. Samsung 6th-Gen 128-layer 3D TLC V-NAND balances density, efficiency, and reliability, enabling cost-effective capacity scaling for mainstream data center deployments.
5. With very low typical latency, the drive minimizes storage response delays, improving transaction speed and QoS for latency-sensitive enterprise applications.
Lower capacity reference: 960 GB Higher capacity reference: 3.84 TB In this series, the 1.92 TB model sits at the sweet spot of practical enterprise deployment. Compared with the 960 GB version, it provides much better headroom for OS images, application growth, logs, and overprovisioning flexibility, reducing early capacity pressure. Compared with the 3.84 TB option, it usually delivers the best balance between acquisition cost, usable endurance planning, and performance consistency, while keeping the same enterprise-class read/write and IOPS profile. It is especially well suited for mid-scale virtualization clusters, such as boot and application storage for about 40 to 60 virtual machines.
Q: Is MZWLR1T9HCJR-00B07 suitable for a write-heavy database server?
A: Yes, it can support write-intensive database workloads thanks to its 1 DWPD endurance, 3504 TBW rating, low 85 µs latency, and enterprise features such as PCIe Gen4 performance and PLP.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated at 1 DWPD, meaning it can sustain one full 1.92 TB drive write per day throughout its warranty period, aligned with its 3504 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 because it helps preserve in-flight data and metadata during unexpected outages, reducing corruption risk and improving storage reliability.
Q: What RAID level is recommended for this SSD?
A: For most server deployments, RAID 1 or RAID 10 is recommended for strong redundancy and performance. RAID 5 may improve capacity efficiency, but write penalty should be considered.