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| Brand | Samsung |
|---|---|
| Model | PM1653 Series |
| Capacity | 1.92TB |
| Usage Class | Enterprise Data Center / Read Intensive |
| Host Interface | SAS 24Gb/s |
|---|---|
| Total Interface Bandwidth | 24 Gb/s |
| Form Factor | 2.5 15mm |
|---|
| NAND Flash | Samsung V6 (128-layer) 3D V-NAND TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 3504 TBW |
| Sequential Read | 4300 MB/s |
|---|---|
| Sequential Write | 3800 MB/s |
| Random Read IOPS | 800000 |
| Random Write IOPS | 135000 |
| Average Latency | 95 μs |
| Mean Time Between Failures | 2.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZILS1T9HCHP |
|---|
Compared with MZILS1T9HCHP, the PM1653 MZILG1T9HCJR moves to SAS 24Gb/s for 2× interface bandwidth and pairs Samsung V6 128-layer 3D V-NAND TLC with up to 4300/3800 MB/s and 800,000/135,000 IOPS, delivering a clear generational step-up in both throughput and transaction density. For 1.92TB enterprise tiers that need balanced endurance, its 1 DWPD and 3504 TBW make it a stronger fit than the prior generation for virtualization clusters, OLTP databases, and latency-sensitive shared storage.
With an endurance rating of 3504 TBW and 1 DWPD, the MZILG1T9HCJR is designed to handle writing the equivalent of its full capacity every day across its warranty period, which is more than sufficient for typical server, boot, and mixed enterprise workloads. In practical terms, under common system-disk or read-heavy application usage, this level of endurance provides long service life with substantial write headroom and low concern about premature wear. For enterprise reliability, the drive includes power loss protection (PLP), which helps preserve in-flight data and protects mapping metadata during unexpected power interruptions, reducing the risk of corruption and unplanned recovery events. Its UBER of 1.0E-17 indicates an extremely low unrecoverable bit error rate, supporting high data integrity expectations in business-critical environments, while the 2.5 million-hour MTBF further reflects a design built for dependable continuous operation.
1. The latest-generation dual-port SAS interface gives enterprise servers both high-availability path redundancy and the bandwidth needed to keep shared storage shelves responsive under heavy production traffic.
2. Its multi-gigabyte sequential read performance accelerates backup recovery, large database scans, and analytics jobs by moving massive datasets off storage with minimal wait time.
3. Extremely strong random read capability makes it well suited for virtualization, OLTP databases, and metadata-heavy workloads where fast access to small blocks directly improves user-facing responsiveness.
4. A full-drive-write-per-day endurance rating provides the write headroom most mixed-use enterprise applications need for steady 24/7 operation without overpaying for unnecessary endurance.
5. Built on Samsung’s high-layer TLC V-NAND and tuned for sub-millisecond-class response, it balances capacity efficiency with consistently low latency for predictable performance in business-critical systems.
Lower capacity reference: 960GB Higher capacity reference: 3.84TB In this series, 1.92TB is the sweet-spot capacity. Compared with the 960GB model, it provides much better headroom for data growth, overprovisioning, and workload consolidation, reducing the risk of early capacity pressure in always-on enterprise environments. Compared with the 3.84TB model, it usually delivers the best balance between acquisition cost, usable capacity, and mainstream enterprise SSD performance, since sequential throughput and random IOPS remain broadly similar across capacities. It is especially well suited for mid-scale virtualization clusters, such as hosting boot and application volumes for about 40 to 60 business VMs.
Q: Is MZILG1T9HCJR suitable for a write-heavy database server?
A: Yes, it can support moderate write-intensive database workloads. With 1 DWPD, 3504 TBW, low 95 µs latency, and SAS 24Gb/s, it is better suited for mixed-use enterprise environments than extreme write-heavy logging tiers.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 1 full drive write per day. For a 1.92TB SSD, that equals about 1.92TB of writes daily across its warranty period, consistent with the 3504 TBW endurance specification.
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 sudden power failure, reducing corruption risk and improving reliability for databases, virtualization, and other enterprise applications.
Q: What RAID level is recommended for this SSD?
A: For most enterprise deployments, RAID 10 is recommended when performance and redundancy are both priorities. If capacity efficiency matters more, RAID 5 or RAID 6 can also be considered depending on workload requirements.