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| Brand | Samsung |
|---|---|
| Model | PM983a |
| Capacity | 7.68 TB |
| Usage Class | Read Intensive |
| Host Interface | PCIe Gen3 x4 |
|---|---|
| Total Interface Bandwidth | 32 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND 3D TLC |
|---|---|
| Drive Writes Per Day | 1.3 |
| Total Bytes Written | 18250 TBW |
| Sequential Read | 3200 MB/s |
|---|---|
| Sequential Write | 2200 MB/s |
| Random Read IOPS | 540000 |
| Random Write IOPS | 50000 |
| Average Latency | 85 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZQLB7T6HALA-00AAZ |
|---|
Compared with the previous MZQLB7T6HALA-00AAZ, the MZ-QLB7T6B PM983a delivers a more performance-optimized 7.68 TB PCIe Gen3 x4 profile, reaching up to 3,200/2,200 MB/s and 540,000/50,000 IOPS while maintaining enterprise endurance at 1.3 DWPD. Its Samsung V-NAND 3D TLC design and 18,250 TBW rating make it a strong fit for read-heavy virtualization, scale-out storage, and analytics tiers that need higher throughput and endurance density than earlier same-footprint deployments.
With an endurance rating of 18,250 TBW and 1.3 DWPD, the MZ-QLB7T6B is built to sustain heavy write activity over its service life, making it well suited for demanding enterprise and mixed-workload environments. In typical use, this level of endurance means it can comfortably handle long-term OS, application, and data workloads with strong margin, giving buyers confidence in stable operation over many years when deployed within its rated conditions. The drive also includes power loss protection (PLP), which helps preserve in-flight data and maintain metadata integrity during unexpected power interruption, reducing the risk of corruption and downtime. Combined with an enterprise-class UBER of 1.0E-17 and a 2 million hour MTBF, it is designed to deliver very high data reliability and dependable service behavior in business-critical systems.
1. The PCIe Gen3 x4 interface, paired with up to 3200 MB/s sequential read bandwidth, accelerates VM boot storms, large database scans, and analytics data ingestion in enterprise servers.
2. With 540,000K random read IOPS, this SSD sustains highly responsive performance for latency-sensitive workloads such as OLTP databases, virtual desktop infrastructure, and high-concurrency cloud platforms.
3. A 1.3 DWPD endurance rating provides the write resilience needed for mixed-use enterprise environments, helping IT teams maintain predictable service life under daily transactional pressure.
4. Samsung V-NAND 3D TLC enables a strong balance of capacity, power efficiency, and reliability, making it well suited for scale-out data center storage where cost-per-terabyte matters.
5. A typical latency of 85 µs helps reduce application response time and storage wait states, improving quality of service for real-time enterprise workloads.
Lower capacity reference: 3.84 TB Higher capacity reference: 15.36 TB At 7.68 TB, this model sits in the sweet spot of the series. Compared with the 3.84 TB version, it gives much better headroom for data growth, reduces capacity pressure, and allows longer refresh cycles without changing the storage tier. Compared with the 15.36 TB option, it usually delivers the best balance between acquisition cost, usable capacity, and predictable enterprise performance. It is especially well suited for mid-scale virtualization clusters, mixed database nodes, or all-flash arrays serving roughly 40 to 80 business application workloads.
Q: Is MZ-QLB7T6B suitable for a write-heavy database server?
A: Yes, it is suitable for many write-intensive database workloads. With 1.3 DWPD, 18,250 TBW, low 85 µs latency, and enterprise Samsung V-NAND TLC, it offers solid endurance and consistent performance.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated at 1.3 DWPD, meaning it can sustain about 1.3 full drive writes per day over the warranty term. For 7.68 TB capacity, that equals roughly 10 TB daily.
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 for databases, RAID arrays, and transactional enterprise workloads.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is typically recommended for databases needing strong write performance and redundancy. For capacity-focused deployments, RAID 5 or RAID 6 may be considered, depending on rebuild time and fault-tolerance requirements.