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| Brand | Samsung |
|---|---|
| Model | PM983a |
| Capacity | 7.68TB |
| Usage Class | Enterprise |
| Host Interface | PCIe Gen 3.0 x4, NVMe 1.3 |
|---|---|
| Total Interface Bandwidth | 32 Gb/s |
| Form Factor | 2.5 inch (U.2) |
|---|
| NAND Flash | Samsung V-NAND 3-bit MLC (TLC) |
|---|---|
| Drive Writes Per Day | 1.3 |
| Total Bytes Written | 10920 TBW |
| Sequential Read | 3100 MB/s |
|---|---|
| Sequential Write | 2200 MB/s |
| Random Read IOPS | 540000 |
| Random Write IOPS | 50000 |
| Average Latency | 100 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZQLB7T6HMLA |
|---|
Samsung PM983a 7.68TB (MZQLB7T6HALA-00W07) is a high-density PCIe 3.0 NVMe SSD optimized for read-centric cloud storage, virtualization, and scale-out content platforms, combining 3,100/2,200 MB/s throughput with 540K random-read IOPS and 10,920 TBW to maximize capacity per slot without sacrificing enterprise-class endurance. Compared with the earlier MZQLB7T6HMLA revision, this PM983a generation delivers a more deployment-ready 7.68TB platform with stronger long-life value for mainstream server fleets, making it the better fit where sustained read performance, rack-level density, and predictable write endurance matter most.
With an endurance rating of 10,920 TBW and 1.3 DWPD, the MZQLB7T6HALA-00W07 is built to handle sustained enterprise write activity and provides substantial write headroom under typical server and storage workloads. In practical terms, this level of endurance means it can comfortably serve as a long-life boot or application drive and can also support demanding daily write cycles over many years of normal operation. For enterprise reliability, this SSD includes power loss protection (PLP), which helps preserve in-flight data and protects metadata integrity if power is interrupted unexpectedly. Its UBER specification of 1.0E-17, together with a 2 million hour MTBF, reflects a very low probability of unrecoverable bit errors and a design aligned with high-availability data center environments.
1. The PCIe Gen 3.0 x4 interface with NVMe 1.3 gives this drive the low-overhead host connectivity needed to keep virtualization clusters, database servers, and scale-out storage nodes consistently responsive under parallel workloads.
2. Its 3100 MB/s sequential read speed accelerates large-block data access, reducing startup and restore times for analytics platforms, backup repositories, and content delivery systems.
3. With 540,000 K IOPS in random reads, the drive is well suited for metadata-heavy applications such as OLTP databases and virtual desktop environments where fast small-block access directly improves user experience.
4. The 1.3 DWPD endurance rating supports sustained daily write activity across the warranty period, making it a practical fit for mixed-use enterprise workloads that need predictable lifespan and lower replacement risk.
5. Samsung V-NAND 3-bit MLC (TLC), paired with a typical latency of 100 µs, balances flash density with enterprise-grade responsiveness so applications can achieve better rack-level efficiency without sacrificing transactional snappiness.
Lower capacity reference: 3.84TB Higher capacity reference: 15.36TB At 7.68TB, this model sits in the sweet spot of the series. Compared with the 3.84TB version, it gives substantially more headroom for data growth, denser consolidation, and longer refresh cycles without changing the expected enterprise-class throughput or IOPS profile. Compared with the 15.36TB option, it usually delivers the best balance between acquisition cost, usable capacity, and operational efficiency, avoiding overprovisioning for mainstream workloads. In practice, it is well suited for a mid-size virtualization cluster, such as shared storage for about 40 to 60 mixed application and database virtual machines.
Q: Is MZQLB7T6HALA-00W07 suitable for a write-heavy database server?
A: Yes, it can support write-intensive database workloads. With 1.3 DWPD, 10,920 TBW endurance, low 100 µs latency, and PLP, it is well suited for enterprise transactional environments.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 1.3 DWPD, meaning it can handle about 1.3 full drive writes per day across its warranty period, equivalent to its specified 10,920 TBW endurance.
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 and reducing corruption risks.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is typically recommended for this SSD in database or virtualization environments, as it balances performance, redundancy, and rebuild efficiency better than RAID 5 or RAID 6.