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| Brand | Samsung |
|---|---|
| Model | PM1655 |
| Capacity | 1.6 TB |
| Usage Class | Mixed Use |
| Host Interface | SAS 24.0 Gbps |
|---|---|
| Total Interface Bandwidth | 24 Gb/s |
| Form Factor | 2.5" |
|---|
| NAND Flash | Samsung V-NAND 6th-Gen 128-layer 3D TLC |
|---|---|
| Drive Writes Per Day | 3 |
| Total Bytes Written | 8760 TBW |
| Sequential Read | 4200 MB/s |
|---|---|
| Sequential Write | 3700 MB/s |
| Random Read IOPS | 800000 |
| Random Write IOPS | 210000 |
| Average Latency | 85 μs |
| Mean Time Between Failures | 2.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZILG1T6HCJR |
|---|
Compared with the previous-generation MZILG1T6HCJR, the PM1655 MZ-ILG1T60 advances to a 24.0 Gbps SAS interface and Samsung 6th-Gen 128-layer V-NAND, delivering up to 4200/3700 MB/s and 800,000/210,000 IOPS for higher bandwidth and transaction density in the same 1.6 TB, 3-DWPD enterprise class. Its 8760 TBW endurance makes it a strong choice for latency-sensitive OLTP databases, virtualization clusters, and mixed-read/write enterprise storage arrays that need SAS reliability with near-NVMe-class performance.
With an endurance rating of 8,760 TBW and 3 DWPD, the MZ-ILG1T60 is built to handle sustained write-intensive workloads across its service life, making it a strong fit for enterprise servers, edge systems, and industrial platforms. In typical OS boot and application-drive scenarios, actual daily writes are usually far below this level, so it can comfortably serve as a system drive for many years with substantial endurance headroom. For enterprise reliability, the MZ-ILG1T60 includes power loss protection (PLP), which helps preserve in-flight data and protects mapping tables during unexpected power interruption, reducing the risk of corruption and unplanned recovery events. Its UBER of 1.0E-17, together with a 2.5 million-hour MTBF, reflects a very low probability of unrecoverable bit errors and strong long-term operational stability, giving procurement teams added confidence for mission-critical deployments.
1. The SAS 24.0 Gbps interface provides dual-port enterprise connectivity and high-availability access, making the drive well suited for mission-critical storage arrays and failover-sensitive server platforms.
2. Its 4200 MB/s sequential read performance accelerates large-block data movement, reducing backup, restore, analytics scan, and VM image loading times in data center workloads.
3. With 800,000 K random read IOPS and a typical latency of 85 µs, the drive delivers highly responsive access for transaction-heavy databases, metadata services, and dense virtualized environments.
4. The 3 DWPD endurance rating supports sustained write-intensive operation over the service life of the SSD, helping enterprises deploy it confidently in mixed-use and heavy-duty server workloads.
5. Samsung V-NAND 6th-Gen 128-layer 3D TLC combines enterprise-class density, power efficiency, and reliability, enabling a strong balance of capacity, consistent performance, and total cost of ownership.
Lower-capacity reference: 800 GB Higher-capacity reference: 3.2 TB Capacity positioning analysis: Within this enterprise SSD family, the 1.6 TB model sits at the practical sweet spot. Compared with the 800 GB version, it offers much better headroom for OS images, application binaries, logs, and short-term data growth, reducing capacity pressure in daily operations. Compared with the 3.2 TB option, it delivers a more balanced acquisition cost while keeping essentially the same enterprise-class throughput and IOPS profile. It is especially well suited for mid-sized virtualization clusters, such as shared boot and application storage for roughly 40 to 60 virtual machines.
Q: Is MZ-ILG1T60 suitable for a write-heavy database server?
A: Yes. The MZ-ILG1T60 is well suited for write-intensive database workloads, thanks to its 3 DWPD endurance, 8760 TBW rating, low 85 µs latency, and enterprise-grade SAS 24.0 Gbps interface.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 3 drive writes per day (DWPD), meaning the full 1.6 TB capacity can be written approximately three times daily throughout its supported warranty endurance period.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes power loss protection (PLP). This is critical in enterprise environments because it helps preserve in-flight data and metadata during sudden power failure, reducing corruption and downtime risks.
Q: What RAID level is recommended for this SSD?
A: The recommended RAID level depends on the workload. RAID 10 is typically preferred for databases requiring high write performance and redundancy, while RAID 5 or 6 may suit capacity-focused applications.