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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-ILT7T6A |
|---|
Compared with the earlier MZ-ILT7T6A, the MZ-ILT7T60 is the refreshed PM1643 7.68TB SAS SKU, pairing the same 1 DWPD enterprise endurance with up to 2100/1700 MB/s throughput and 380K/40K IOPS for better-balanced performance in mixed read/write environments. Its key advantage over same-capacity SATA or lower-end SAS drives is the combination of Samsung V-NAND TLC, 12Gb/s dual-port SAS reliability, and 14,016 TBW endurance, making it a strong choice for virtualized infrastructure, transactional databases, and tier-1 storage arrays that need predictable latency and service continuity.
With an endurance rating of 14,016 TBW and 1 DWPD, the MZ-ILT7T60 is designed to handle full-drive writes every day throughout its rated service life, making it well suited for sustained enterprise workloads. In typical server or system-disk use, this level of endurance provides a very large write margin and can support many years of stable operation with confidence. The MZ-ILT7T60 also includes power loss protection (PLP), which helps preserve in-flight data and mapping tables during unexpected power interruptions, reducing the risk of data corruption and improving system integrity. Its enterprise-class UBER of 1.0E-17 indicates an extremely low uncorrectable bit error rate, helping ensure high data reliability for business-critical environments.
1. The dual-ported SAS interface provides enterprise-grade path redundancy and dependable shared-storage connectivity, making the drive well suited for mission-critical servers and storage arrays.
2. Its strong sequential read performance accelerates large-block workloads such as backup restores, media streaming, and analytics dataset loading, helping reduce batch-processing windows.
3. The high random read capability enables fast response under heavily concurrent access, which is ideal for virtualization, OLTP databases, and read-intensive cloud services.
4. Built with Samsung V-NAND TLC and rated for steady daily full-drive writes, it delivers a practical balance of cost efficiency, flash density, and endurance for mainstream enterprise deployments.
5. The low typical latency helps applications return data with minimal wait time, improving transaction responsiveness and overall QoS consistency in latency-sensitive environments.
For MPN MZ-ILT7T60 (7.68 TB), the adjacent capacities in the same enterprise SSD family are: Lower capacity: 3.84 TB Higher capacity: 15.36 TB Capacity positioning analysis: The 7.68 TB model sits at the sweet spot of the series. Compared with the 3.84 TB version, it gives much better headroom for data growth, denser server utilization, and longer refresh cycles without changing the storage tier. Compared with the 15.36 TB option, it usually delivers the best balance of acquisition cost, usable capacity, and enterprise-grade performance consistency, since sequential throughput and random IOPS remain broadly similar across the family. It is well suited for mid-scale virtualization clusters, mixed database nodes, or all-flash arrays serving roughly 40 to 60 business applications.
Q: Is MZ-ILT7T60 suitable for a write-heavy database server?
A: MZ-ILT7T60 is better suited for mixed-use or read-centric enterprise workloads. With 1 DWPD endurance, it can handle steady writes, but highly write-intensive 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 supports one full drive write per day across its warranty period. For 7.68 TB capacity, that equals 7.68 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 power failure, which is critical for maintaining data integrity and preventing corruption in enterprise systems.
Q: What RAID level is recommended for this SSD?
A: RAID recommendation depends on workload and redundancy needs. RAID 10 is typically preferred for high-performance databases, while RAID 5 or RAID 6 may suit capacity-focused environments with balanced protection.