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| Brand | Samsung |
|---|---|
| Model | PM1653 |
| Capacity | 1.92 TB |
| Usage Class | Read Intensive |
| Host Interface | SAS 24Gb/s |
|---|---|
| Total Interface Bandwidth | 24 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND 128-layer 3D TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 3504 TBW |
| Sequential Read | 4300 MB/s |
|---|---|
| Sequential Write | 2400 MB/s |
| Random Read IOPS | 800000 |
| Random Write IOPS | 135000 |
| Average Latency | 90 μs |
| Mean Time Between Failures | 2.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZILT1T9HBJR |
|---|
The MZ-ILG1T90 (PM1653) delivers a clear generational step over MZILT1T9HBJR by moving to 24Gb/s SAS and 128-layer Samsung V-NAND, enabling up to 4,300/2,400 MB/s and 800K/135K IOPS for noticeably higher throughput and lower latency in the same 1.92 TB, 1 DWPD class. For mixed enterprise workloads such as database, virtualization, and transaction-heavy storage tiers, it stands out with a strong 3,504 TBW endurance rating while extracting more performance from existing SAS infrastructures than the prior generation.
With an endurance rating of 3504 TBW and 1 DWPD, the MZ-ILG1T90 is designed to handle writing its full capacity once every day over a typical enterprise service life, which is far beyond the needs of most OS, boot, and general application workloads. In practical terms, for system-disk or read-dominant server use, this level of endurance provides comfortable long-term headroom and helps minimize concerns about write wear in daily operation. Its built-in power loss protection (PLP) helps preserve in-flight data and metadata during an unexpected power interruption, reducing the risk of corruption and improving recovery confidence in server environments. An UBER of 1.0E-17, together with a 2.5 million hour MTBF, reflects enterprise-class data integrity and dependability, giving procurement teams added assurance for business-critical deployments.
1. The next-generation dual-port SAS interface brings higher link efficiency and resilient path redundancy, making it ideal for mission-critical storage arrays that require nonstop access and seamless failover.
2. Its strong sequential read performance helps accelerate large-block workloads such as backups, analytics scans, media streaming, and rapid VM image loading.
3. The drive’s very high random-read capability is well suited for dense virtualization, OLTP databases, and metadata-heavy platforms that must serve massive numbers of small read requests in parallel.
4. With sub-100-microsecond-class typical latency, it helps reduce application response time and keeps user-facing services more predictable during bursty enterprise traffic.
5. Built with Samsung’s advanced 3D TLC V-NAND and a moderate endurance profile, it delivers a balanced mix of capacity, efficiency, and reliable daily enterprise use for read-centric infrastructure.
Lower capacity reference: 960 GB Higher capacity reference: 3.84 TB At 1.92 TB, this SSD sits in the sweet spot of the family. Compared with the 960 GB model, it gives much better headroom for OS images, application growth, logs, and overprovisioning without changing the expected enterprise-grade read, write, or random IOPS profile. Compared with the 3.84 TB version, it usually delivers the best balance between usable capacity, acquisition cost, and predictable performance per drive. It is especially well suited for mid-scale virtualization clusters, such as hosting boot and general-purpose storage for about 40 to 60 mixed-workload virtual machines.
Q: Is MZ-ILG1T90 suitable for a write-heavy database server?
A: MZ-ILG1T90 can support mixed or moderate write database workloads, but it is not ideal for highly write-heavy environments. Its 1 DWPD rating is better suited to balanced enterprise applications.
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 it can sustain one full drive write per day across its warranty period. For 1.92 TB capacity, that equals 1.92 TB daily.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, MZ-ILG1T90 includes power loss protection. PLP is critical because it helps prevent data loss and metadata corruption during sudden outages, which is especially important for enterprise and transactional workloads.
Q: What RAID level is recommended for this SSD?
A: The recommended RAID level depends on your priority. RAID 10 is preferred for maximum performance and redundancy in databases, while RAID 5 or 6 may suit capacity-focused enterprise deployments.