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| Brand | Samsung |
|---|---|
| Model | PM1643a Series |
| Capacity | 30.72TB |
| Usage Class | Enterprise Data Center / Read Intensive |
| Host Interface | SAS 12Gb/s |
|---|---|
| Total Interface Bandwidth | 12 Gb/s |
| Form Factor | 2.5 15mm |
|---|
| NAND Flash | Samsung V-NAND TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 56064 TBW |
| Sequential Read | 2100 MB/s |
|---|---|
| Sequential Write | 1700 MB/s |
| Random Read IOPS | 400000 |
| Random Write IOPS | 50000 |
| Average Latency | 120 μs |
| Mean Time Between Failures | 2.0 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZILT30THALA-00007 |
|---|
Samsung PM1643a Series MZILT30THALA is a compelling SAS 12Gb/s enterprise SSD, combining 30.72TB capacity, 1 DWPD, 56,064 TBW, and 400K/50K IOPS to maximize storage density while maintaining strong sustained performance on Samsung V-NAND TLC. Compared with MZILT30THALA-00007, it delivers a next-generation uplift in capacity and endurance, making it a stronger fit for virtualization clusters, databases, and other write-sensitive mixed workloads.
With an endurance rating of 56,064 TBW and 1 DWPD, the MZILT30THALA is built to handle sustained enterprise write workloads over its full service life with substantial margin. In practical terms, for typical mixed-use or OS/application drive scenarios, this level of endurance is more than sufficient for long-term deployment and supports worry-free operation for many years under normal data center usage. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and protect metadata integrity if power is unexpectedly interrupted. Its UBER of 1.0E-17, together with a 2 million hour MTBF, indicates a very low probability of unrecoverable bit errors and a design aligned with dependable, business-critical storage environments.
1. The dual-port SAS interface provides enterprise-grade path redundancy and broad server compatibility, making this drive a dependable fit for mission-critical storage arrays and HA environments.
2. Its strong sequential read throughput accelerates large-block workloads such as backup restore, media streaming, and data warehousing, helping shorten batch-processing windows.
3. The high random read capability boosts transaction-heavy applications like OLTP databases and virtualized infrastructure by serving far more small I/O requests with less queue buildup.
4. The endurance rating supports one full drive rewrite per day across the warranty period, giving enterprises predictable longevity for mixed-use workloads without overpaying for unnecessary write headroom.
5. Samsung V-NAND TLC paired with low typical latency delivers a balanced combination of density, cost efficiency, and consistently fast response times for cloud platforms and latency-sensitive business applications.
Lower capacity: 15.36TB Higher capacity: 61.44TB At 30.72TB, this SSD sits in the sweet spot of the family. Compared with the 15.36TB model, it offers much better capacity headroom for growth, denser consolidation, and fewer drive slots consumed, while keeping similar enterprise-class sequential and random performance. Compared with the 61.44TB option, it delivers a more balanced cost-per-drive, lowers budget pressure, and avoids overprovisioning for many mainstream deployments. It is especially well suited for mid-scale virtualization clusters, such as hosting boot and application volumes for around 150 to 250 business VMs.
Q: Is MZILT30THALA suitable for a write-heavy database server?
A: It can support mixed or moderately write-intensive database workloads, but with 1 DWPD, it is not the best choice for extremely write-heavy servers. Higher-endurance models are preferable for sustained heavy writes.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This SSD is rated at 1 DWPD, meaning one full 30.72TB drive write per day. Over a typical 5-year warranty, that equals about 56,064TB written, matching the specified TBW.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, MZILT30THALA includes power loss protection. PLP helps preserve in-flight data and metadata during unexpected outages, which is critical for enterprise systems requiring data integrity, consistency, and reduced corruption risk.
Q: What RAID level is recommended for this SSD?
A: For enterprise deployment, RAID 10 is commonly recommended when performance and redundancy are priorities. If capacity efficiency matters more and writes are lighter, RAID 5 or RAID 6 may also be considered.