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| Brand | Samsung |
|---|---|
| Model | PM1653 |
| Capacity | 7.68TB |
| Usage Class | Enterprise |
| Host Interface | SAS 24Gb/s |
|---|---|
| Total Interface Bandwidth | 24 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND 6th Gen 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 | 110 μs |
| Mean Time Between Failures | 2.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZILT7T6HALA |
|---|
The Samsung PM1653 7.68TB (MZILG7T6HBLA-00A07) stands out for latency-sensitive enterprise storage tiers by combining a SAS 24Gb/s interface with 4,300/3,800 MB/s sequential throughput and up to 800K/135K IOPS, giving it a clear edge in mixed OLTP, virtualization, and scale-up server workloads. Compared with the previous MZILT7T6HALA generation, it delivers a higher-performance 24Gb/s SAS architecture and newer 6th Gen Samsung V-NAND TLC, while sustaining enterprise-class endurance at 1 DWPD and 14,016 TBW for longer-lived deployment in write-moderate data center environments.
With an endurance rating of 14,016 TBW and 1 DWPD, the MZILG7T6HBLA-00A07 is designed to handle writing its full usable capacity once per day throughout its rated service life, which is far beyond the demands of typical OS, boot, and mainstream enterprise application workloads. In practical terms, for use cases such as a system disk, virtualization host boot storage, or read-intensive server deployment, this level of endurance supports many years of stable operation with substantial write margin. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and metadata during an unexpected power interruption, reducing the risk of corruption and improving operational confidence. Its UBER of 1.0E-17 indicates an extremely low unrecoverable bit error rate, meaning very high data integrity for business-critical environments, while the 2.5 million-hour MTBF further reflects robust long-term reliability.
1. The SAS 24Gb/s interface paired with strong sequential read performance accelerates large database scans, backup restores, and analytics jobs while preserving the dual-port reliability and serviceability enterprises expect from SAS storage.
2. With very high random read capability, this drive sustains responsive performance for virtualized workloads, OLTP databases, and read-heavy cloud applications even under deep queue pressure.
3. A 1 DWPD endurance rating makes it well suited for mixed-use enterprise deployments, giving IT teams predictable lifespan and lower replacement risk in always-on server environments.
4. Samsung 6th Gen V-NAND TLC combines mature density, power efficiency, and cost effectiveness, enabling enterprises to scale flash capacity without sacrificing mainstream datacenter reliability.
5. The low typical latency helps reduce storage wait time at the application layer, improving transaction responsiveness and delivering more consistent QoS for latency-sensitive business workloads.
Lower-capacity reference: 3.84TB Higher-capacity reference: 15.36TB Within this enterprise SSD family, 7.68TB is the sweet-spot capacity. Compared with the 3.84TB model, it gives meaningfully more headroom for VM growth, hot data, and snapshot retention without changing the expected enterprise-class sequential throughput or random IOPS profile. Compared with 15.36TB, it usually delivers a better balance of acquisition cost, usable density, and performance consistency per drive. In practice, 7.68TB fits well for medium-scale virtualization clusters, mixed database/application nodes, or a 2U server pool hosting roughly 60-90 general-purpose virtual desktops or service instances.
Q: Is MZILG7T6HBLA-00A07 suitable for a write-heavy database server?
A: It can support database workloads, but with 1 DWPD, it is better suited for mixed-use or moderate-write environments. For very write-intensive database servers, a higher-endurance SSD may be preferable.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated at 1 DWPD, meaning it can handle one full 7.68TB drive write per day over its rated endurance period, with a total lifetime endurance of 14,016 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 unexpected outages, which is critical for maintaining data integrity, consistency, and system reliability in enterprise environments.
Q: What RAID level is recommended for this SSD?
A: For enterprise and database deployments, RAID 10 is generally recommended because it delivers strong performance, fast rebuilds, and redundancy. If capacity efficiency is more important, RAID 5 or RAID 6 can also be considered.