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| Brand | Samsung |
|---|---|
| Model | PM1643 |
| Capacity | 7.68 TB |
| Usage Class | Enterprise / Data Center Read Intensive |
| Host Interface | SAS 12Gb/s |
|---|---|
| Total Interface Bandwidth | 12 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 14016 TBW |
| Sequential Read | 2100 MB/s |
|---|---|
| Sequential Write | 1700 MB/s |
| Random Read IOPS | 380000 |
| Random Write IOPS | 40000 |
| Average Latency | 110 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ-ILT7T60 |
|---|
Compared with the earlier MZ-ILT7T60, the PM1643 MZILT7T6HMLA moves to a newer Samsung V-NAND TLC platform and raises performance to 2100/1700 MB/s with up to 380,000/40,000 IOPS, delivering stronger mixed-workload throughput in the same 7.68 TB SAS 12Gb/s class. Its 1 DWPD rating and 14,016 TBW endurance make it a particularly strong choice for read-intensive virtualization clusters, database serving, and dual-port enterprise storage arrays that need predictable SAS reliability with higher per-drive density.
With an endurance rating of 14,016 TBW, the MZILT7T6HMLA is designed to handle very heavy write activity over its service life, including up to one full drive write per day under its rated usage profile. In typical enterprise and infrastructure workloads, this translates into long-term, worry-free operation; for lighter roles such as OS, boot, logging, or mixed-read application storage, the available write budget is more than sufficient for many years of use. For enterprise reliability, built-in Power Loss Protection (PLP) helps preserve in-flight data and mapping information during an unexpected power interruption, reducing the risk of corruption and unplanned downtime. Its ultra-low UBER of 1.0E-17, together with a 2-million-hour MTBF, reflects enterprise-class data integrity and operational stability, giving procurement teams confidence in dependable deployment.
1. The SAS 12Gb/s interface, paired with strong sequential read bandwidth, enables fast bulk data streaming for database backups, analytics scans, and virtualized storage tiers without disrupting shared enterprise backplanes.
2. Its 2100 MB/s sequential read performance helps shorten large-file access time, improving throughput for data warehousing, media repositories, and boot-from-SAN environments.
3. With 380,000 K IOPS random read capability, the drive is well suited for latency-sensitive workloads such as OLTP databases, metadata-heavy virtualization, and high-concurrency read caching.
4. A 1 DWPD endurance rating provides a practical balance of lifespan and cost for mixed-read enterprise workloads, making it a solid fit for always-on servers that rewrite data steadily but not aggressively.
5. Built on Samsung V-NAND TLC and backed by a typical latency of 110 µs, the drive delivers predictable flash response and dependable efficiency for scale-out infrastructure that values consistency as much as capacity.
Lower-capacity reference: 3.84 TB Higher-capacity reference: 15.36 TB Capacity positioning analysis: Within this enterprise SSD family, the 7.68 TB model sits in the sweet spot. Compared with the 3.84 TB version, it gives much better space headroom for dataset growth, VM expansion, and longer refresh cycles without changing the expected enterprise read/write and random IOPS profile. Compared with the 15.36 TB option, it usually delivers a more attractive cost-to-usable-capacity balance while avoiding unnecessary overprovisioning. This makes 7.68 TB especially suitable for mid-scale virtualization clusters, mixed database nodes, or dense all-flash tiers supporting roughly 40-60 business applications.
Q: Is MZILT7T6HMLA suitable for a write-heavy database server?
A: It can support database workloads, but with 1 DWPD it is better suited to mixed-use or read-intensive environments rather than highly write-heavy database servers with constant intensive write activity.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 1 DWPD, meaning it can sustain one full 7.68 TB drive write per day over its warranty period, aligned with its 14,016 TBW endurance rating.
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 reducing corruption risk.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is commonly recommended for this SSD in performance-sensitive business systems, as it balances speed, redundancy, and rebuild efficiency better than parity-based RAID in many workloads.