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| Brand | Samsung |
|---|---|
| Model | PM1735 |
| Capacity | 6.4 TB |
| Usage Class | Mixed Use |
| Host Interface | PCIe Gen4 x8 |
|---|---|
| Total Interface Bandwidth | 128 Gb/s |
| Form Factor | 2.5" |
|---|
| NAND Flash | Samsung V-NAND 5th-Gen 92-layer 3D TLC |
|---|---|
| Drive Writes Per Day | 3 |
| Total Bytes Written | 35040 TBW |
| Sequential Read | 7000 MB/s |
|---|---|
| Sequential Write | 3800 MB/s |
| Random Read IOPS | 1450000 |
| Random Write IOPS | 260000 |
| Average Latency | 95 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZWLR6T4HBLA-00007 |
|---|
MZWLR6T4HBLA-00AD3 (PM1735) is the stronger generational choice over MZWLR6T4HBLA-00007, pairing Samsung 5th-Gen 92-layer V-NAND with a PCIe Gen4 x8 interface to deliver up to 7,000/3,800 MB/s and 1,450,000/260,000 IOPS in the same 6.4 TB, 3 DWPD enterprise class. With 35,040 TBW endurance, it is particularly well suited for latency-sensitive virtualization, high-transaction databases, and mixed read/write cloud workloads where higher queue-depth throughput and sustained write durability matter more than raw capacity alone.
With an endurance rating of 35,040 TBW and 3 DWPD, the MZWLR6T4HBLA-00AD3 is designed for sustained enterprise write workloads and can support writing its full capacity three times per day throughout its rated service life. In typical server or storage deployments, this level of endurance is far beyond ordinary system-disk requirements, giving buyers strong confidence in long-term, worry-free operation under demanding daily use. For enterprise reliability, this SSD includes power loss protection (PLP), which helps preserve in-flight data and protect metadata integrity if power is suddenly interrupted. Its UBER rating of 1.0E-17, together with a 2 million hour MTBF, indicates a very low probability of uncorrectable bit errors and supports dependable use in business-critical environments.
1. The PCIe Gen4 x8 host interface provides enough bandwidth headroom to keep modern dual-socket servers fed, reducing data-ingest bottlenecks for analytics, AI, and virtualization clusters.
2. Its class-leading sequential read performance accelerates large dataset streaming, shortening model load times, backup restores, and warehouse scan operations.
3. The drive’s elite random read capability enables dense VM farms and high-concurrency databases to serve far more small-block requests with consistently fast application response.
4. With enterprise-grade write endurance rated for multiple full-capacity rewrites per day, it is well suited for write-intensive logging, caching, and mixed-transaction workloads over its service life.
5. Samsung’s advanced V-NAND TLC architecture, paired with microsecond-level latency, delivers a strong balance of flash density, predictable QoS, and responsive access for mission-critical applications.
Lower reference capacity: 3.2 TB Higher reference capacity: 12.8 TB Capacity positioning analysis: Within this enterprise SSD family, 6.4 TB sits in the sweet spot. Compared with the 3.2 TB option, it offers much better headroom for dataset growth, VM density, and overprovisioning flexibility without changing the expected enterprise-class sequential throughput or random IOPS profile. Compared with the 12.8 TB model, it typically delivers a more attractive balance of acquisition cost, usable capacity, and performance consistency per drive. It is especially well suited for mid-scale virtualization clusters, mixed database nodes, or hyperconverged infrastructure needing solid capacity without overspending on maximum density.
Q: Is MZWLR6T4HBLA-00AD3 suitable for a write-heavy database server?
A: Yes. With 3 DWPD endurance, 35,040 TBW, PCIe Gen4 x8 performance, and 95 µs typical latency, this 6.4 TB Samsung 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: It is rated for 3 full drive writes per day. For a 6.4 TB drive, that equals about 19.2 TB of writes daily across the specified warranty 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, which is critical for maintaining data integrity and preventing corruption in enterprise environments.
Q: What RAID level is recommended for this SSD?
A: For most enterprise deployments, RAID 10 is recommended to balance performance, redundancy, and write efficiency. If capacity is a higher priority, RAID 5 or RAID 6 may also be considered.