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| Brand | Samsung |
|---|---|
| Model | PM1653 |
| Capacity | 7.68 TB |
| Usage Class | Enterprise / Data Center Read Intensive |
| Host Interface | SAS 24.0 Gbps |
|---|---|
| Total Interface Bandwidth | 24 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V6 (128-layer) TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 14016 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 | MZILT7T6HBLA |
|---|
The Samsung PM1653 7.68TB (MZILG7T6HBLA) is a strong upgrade from MZILT7T6HBLA, moving to a SAS 24.0 Gbps architecture and Samsung 128-layer V6 TLC NAND to deliver up to 4300/3800 MB/s and 800,000/135,000 IOPS for materially higher bandwidth and transaction density in the same 1 DWPD enterprise class. For SAS infrastructure that must scale without moving to NVMe, this drive stands out by combining next-generation dual-port performance with 14,016 TBW endurance, making it especially well suited for tier-1 databases, virtualization clusters, and mixed read/write storage arrays that are bottlenecked by prior-generation 12G SAS SSDs.
With an endurance rating of 14,016 TBW and 1 DWPD, the MZILG7T6HBLA is designed to sustain writing its full usable capacity every day throughout its rated service life, which is more than sufficient for typical enterprise system, boot, and mixed-read workloads. In practical terms, unless your application is an unusually write-intensive environment, buyers can expect long-term, worry-free operation with substantial endurance headroom. For enterprise reliability, this SSD includes Power Loss Protection (PLP), which helps preserve in-flight data and prevent metadata corruption if power is unexpectedly interrupted. Its ultra-low UBER of 1.0E-17, together with a 2.5 million-hour MTBF, indicates extremely strong data integrity and dependable operation for business-critical deployments.
1. The SAS 24.0 Gbps interface enables seamless deployment in dual-port enterprise storage infrastructures, delivering high availability and predictable throughput for mission-critical servers.
2. With 4300 MB/s sequential read performance, this drive accelerates large-block workloads such as backup restores, data warehousing scans, and media streaming pipelines.
3. Its 800,000 K random read IOPS capability helps databases and virtualized environments serve far more concurrent transactions with less application-side waiting.
4. Rated at 1 DWPD, it provides a balanced endurance profile for mixed-use enterprise workloads, allowing consistent daily write activity without overpaying for unnecessary write-heavy media.
5. Built on Samsung V6 128-layer TLC NAND and tuned for 95 µs typical latency, it combines mature flash efficiency with fast response times to improve SLA stability in latency-sensitive applications.
Lower capacity reference: 3.84 TB Higher capacity reference: 15.36 TB In this series, 7.68 TB is the sweet-spot capacity. Compared with 3.84 TB, it gives much better headroom for growth, denser consolidation, and longer refresh cycles without changing the platform or giving up enterprise-class performance. Compared with 15.36 TB, it usually delivers a more attractive cost-to-usable-capacity balance while keeping read/write throughput and random IOPS in the same practical tier. This makes 7.68 TB especially well suited for mid-scale virtualization clusters, mixed database workloads, and hyperconverged nodes serving roughly 60 to 90 business applications or service instances.
Q: Is MZILG7T6HBLA suitable for a write-heavy database server?
A: MZILG7T6HBLA is better suited for mixed-use enterprise workloads rather than extremely write-heavy databases. With 1 DWPD, it supports steady daily writes, but higher-endurance models are preferable for intensive logging or constant transaction-heavy environments.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This SSD is rated for 1 DWPD, meaning it can sustain one full 7.68 TB drive write per day across its warranty period. Its total endurance is 14,016 TBW, confirming strong enterprise-grade write capability.
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 outages, reducing corruption risk and improving reliability, which is especially important for enterprise servers, databases, and RAID environments.
Q: What RAID level is recommended for this SSD?
A: The best RAID level depends on your workload. RAID 10 is typically recommended for databases needing strong performance and redundancy, while RAID 5 or 6 may suit capacity-focused applications with balanced protection requirements.