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| Brand | Samsung |
|---|---|
| Model | PM1643 |
| Capacity | 15.36 TB |
| Usage Class | Read Intensive |
| Host Interface | SAS 12Gb/s |
|---|---|
| Total Interface Bandwidth | 12 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND 3D TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 28032 TBW |
| Sequential Read | 2100 MB/s |
|---|---|
| Sequential Write | 1700 MB/s |
| Random Read IOPS | 400000 |
| Random Write IOPS | 50000 |
| Average Latency | 115 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZILT15THMLA-00007 |
|---|
Compared with the previous-generation MZILT15THMLA-00007, the MZ-ILT15TA PM1643 moves to a newer 15.36 TB Samsung V-NAND 3D TLC platform that delivers up to 2100/1700 MB/s and 400,000/50,000 IOPS over SAS 12Gb/s, giving enterprise arrays a clear generational uplift in usable density and mixed-workload responsiveness. With 1 DWPD and 28,032 TBW, it is a strong fit for virtualized infrastructure, scale-up databases, and capacity-optimized all-flash tiers that need large per-drive capacity without sacrificing enterprise-class endurance.
With an endurance rating of 28,032 TBW, this SSD is designed to handle extremely heavy write activity and is equivalent to writing the full drive capacity once per day under a standard enterprise usage model. For typical workloads such as OS boot, application hosting, logging, and read-heavy business systems, actual write volume is usually much lower, which means the drive can be deployed with strong confidence for long-term, trouble-free operation. Its integrated power-loss protection (PLP) helps preserve in-flight data and protects metadata integrity if power is interrupted unexpectedly, which is especially important for enterprise servers and storage systems. In addition, the 1.0E-17 UBER specification indicates an extremely low rate of unrecoverable bit errors, helping ensure high data integrity and dependable performance in business-critical environments.
1. The SAS 12Gb/s interface ensures seamless integration with dual-controller enterprise storage and mission-critical server backplanes, making it ideal for high-availability datacenter deployments.
2. With sequential read performance up to 2100 MB/s, this drive accelerates large-block data access for backup, media streaming, analytics, and fast dataset loading.
3. Delivering up to 400,000 random read IOPS, it sustains responsive performance in virtualization, OLTP databases, and other latency-sensitive mixed-workload environments.
4. Rated for 1 DWPD, it provides dependable day-after-day write endurance for mainstream enterprise workloads without overinvesting in unnecessary write headroom.
5. Built with Samsung V-NAND 3D TLC and a typical latency of 115 µs, it balances flash density, cost efficiency, and consistently fast response times for scale-out business storage.
Lower capacity reference: 7.68 TB Higher capacity reference: 30.72 TB Within this SSD family, the 15.36 TB model is the practical sweet spot. Compared with the 7.68 TB version, it offers much better headroom for data growth, cache expansion, and workload consolidation, reducing the need for early drive replacements. Compared with the 30.72 TB version, it usually delivers a more attractive cost-per-deployment while keeping enterprise-class throughput and IOPS at essentially the same level. This makes it ideal for mid-scale virtualization clusters, mixed database nodes, or all-flash arrays serving roughly 150 to 250 business application users.
Q: Is MZ-ILT15TA suitable for a write-heavy database server?
A: MZ-ILT15TA is better suited for mixed or read-intensive enterprise workloads. With 1 DWPD and 28,032 TBW, it can handle steady writes, but extremely write-heavy database servers may require higher-endurance SSDs.
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 support one full drive write per day across its warranty period. For a 15.36 TB drive, that equals 15.36 TB of writes daily.
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 reliability in enterprise servers, storage arrays, and transactional workloads.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is commonly recommended for performance-sensitive and business-critical applications, especially databases. RAID 5 or RAID 6 may also work for capacity-focused environments, depending on required redundancy, write performance, and rebuild tolerance.