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| Brand | Samsung |
|---|---|
| Model | PM1653 |
| Capacity | 15.36 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 | 28032 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 | MZILT15TB |
|---|
Compared with the previous-generation MZILT15TB, the PM1653 MZILG15THBLA advances to 24Gb/s SAS and Samsung 128-layer V-NAND, delivering up to 4300/2400 MB/s and 800,000/135,000 IOPS for clearly higher bandwidth and transaction performance in enterprise dual-port storage. At 15.36 TB with 1 DWPD and 28,032 TBW, it is a strong fit for read-centric to mixed OLTP, virtualization, and scale-out storage tiers that need higher density and better SAS infrastructure utilization than earlier-generation drives.
With an endurance rating of 28,032 TBW and 1 DWPD, the MZILG15THBLA is built to handle sustained daily write activity throughout its service life, making it well suited for enterprise environments with steady data updates. In typical server or system-disk workloads, this level of endurance provides ample headroom for many years of reliable operation, giving buyers confidence that normal write usage is unlikely to become a limiting factor. For enterprise reliability, the drive includes power loss protection (PLP), which helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and unplanned recovery events. Its ultra-low UBER of 1.0E-17, together with a 2.5 million hour MTBF, reflects a design focused on high data integrity and dependable long-term operation in business-critical deployments.
1. The SAS 24Gb/s interface delivers enterprise-class dual-port availability and straightforward integration into mission-critical storage arrays, improving uptime and serviceability in shared infrastructure.
2. Its high sequential read bandwidth accelerates backup, restore, media streaming, and large-scale data ingestion, helping shorten batch windows in data center operations.
3. Strong random read performance paired with microsecond-class latency enables faster response for virtual machines, OLTP databases, and metadata-heavy workloads under heavy concurrency.
4. A 1 DWPD endurance rating makes it a solid fit for read-centric enterprise deployments such as boot tiers, analytics serving, and content delivery, while maintaining predictable lifecycle costs.
5. Samsung 128-layer 3D TLC V-NAND provides an effective balance of capacity, efficiency, and reliability, supporting dense enterprise deployments without sacrificing operational consistency.
Lower-capacity reference: 7.68 TB Higher-capacity reference: 30.72 TB Capacity positioning analysis: Within this SSD family, 15.36 TB is the sweet-spot capacity. Compared with the 7.68 TB model, it gives much better headroom for dataset growth, VM expansion, and longer refresh cycles without materially changing enterprise-class sequential throughput or random IOPS expectations. Compared with the 30.72 TB version, it delivers a more balanced acquisition cost, power efficiency, and usable density, avoiding overprovisioning for mid-scale deployments. In practice, this capacity is well suited for a medium virtualization cluster, such as hosting system and application storage for roughly 60 to 100 mixed-workload virtual machines.
Q: Is MZILG15THBLA suitable for a write-heavy database server?
A: It can support database workloads, but with a 1 DWPD rating, it is better suited to mixed-use or moderate write-intensive servers rather than extremely write-heavy logging or caching environments.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: The drive is rated for 1 full drive write per day across its warranty period. For this 15.36 TB model, that aligns with its total endurance rating of 28,032 TBW.
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 failures, which is critical for preventing corruption and maintaining enterprise storage reliability.
Q: What RAID level is recommended for this SSD?
A: For database or virtualization workloads, RAID 10 is typically recommended because it delivers strong performance and redundancy. RAID 5 or 6 may improve usable capacity but adds write overhead.