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| Brand | Samsung |
|---|---|
| Model | PM9D3a |
| Capacity | 7.68 TB |
| Usage Class | Enterprise / Data Center Read Intensive |
| Host Interface | PCIe Gen5 x4, NVMe 2.0 |
|---|---|
| Total Interface Bandwidth | 128 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V8 (236-layer) TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 14016 TBW |
| Sequential Read | 12000 MB/s |
|---|---|
| Sequential Write | 6800 MB/s |
| Random Read IOPS | 2000000 |
| Random Write IOPS | 250000 |
| Average Latency | 65 μs |
| Mean Time Between Failures | 2.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZQL27T6HBLA-00A07 |
|---|
Compared with MZQL27T6HBLA-00A07, the MZWL67T6HBLC-00BW7 PM9D3a advances to a PCIe Gen5 x4, NVMe 2.0 platform with Samsung V8 236-layer TLC, delivering up to 12,000 MB/s sequential read and 2,000,000 random read IOPS for a clear generational uplift in bandwidth and transaction density. Its 7.68 TB capacity, 1 DWPD endurance, and 14,016 TBW make it a strong fit for latency-sensitive database, virtualization, and scale-out analytics tiers that need Gen5-class read performance without sacrificing enterprise write life.
With an endurance rating of 14,016 TBW and 1 DWPD, the MZWL67T6HBLC-00BW7 is built to handle sustained daily write activity typical of enterprise servers, storage nodes, and virtualization platforms. In practical terms, this level of endurance is more than sufficient for long-term use as a boot drive or mixed-use data drive under normal enterprise workloads, giving buyers strong confidence in predictable service life. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and protects metadata integrity if power is interrupted unexpectedly. Its UBER of 1.0E-17, together with a 2.5 million hour MTBF, indicates a very low probability of uncorrectable read errors and supports dependable operation in business-critical environments.
1. The PCIe Gen5 x4 interface with NVMe 2.0 gives this drive the host bandwidth and command efficiency needed to keep GPU servers, scale-out databases, and next-generation virtualized clusters fed without becoming a storage bottleneck.
2. Its class-leading sequential read performance accelerates large file movement and dataset streaming, cutting application startup, analytics scan, and checkpoint restore times in data-intensive enterprise workloads.
3. With extremely high random read capability, it sustains massive parallel access for OLTP databases, metadata-heavy storage, and high-density VDI environments while preserving responsive user and application performance.
4. A 1 DWPD endurance profile makes it a strong fit for read-centric enterprise deployments that still require predictable daily write headroom, such as content delivery, analytics serving, and cloud infrastructure.
5. Built on Samsung V8 236-layer TLC NAND and paired with low typical latency, it delivers a balanced mix of capacity efficiency, consistent QoS, and fast response times for mission-critical storage tiers.
Lower capacity reference: 3.84 TB Higher capacity reference: 15.36 TB At 7.68 TB, this SSD sits at the sweet spot of the family. Compared with the 3.84 TB model, it offers much better headroom for data growth, denser server utilization, and longer refresh flexibility without changing the platform or performance profile. Compared with the 15.36 TB option, it delivers a more balanced acquisition cost while still providing ample usable capacity for mainstream enterprise workloads. It is especially well suited for mid-scale virtualization clusters, such as hosting boot and application volumes for roughly 60 to 80 business VMs per node.
Q: Is MZWL67T6HBLC-00BW7 suitable for a write-heavy database server?
A: It can support database workloads, but for truly write-heavy environments, its 1 DWPD endurance may be limiting. It is generally better suited for mixed-use or read-intensive enterprise applications.
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 sustain one full 7.68 TB drive write per day throughout its warranty period, aligned with its 14,016 TBW endurance rating.
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 enterprise systems requiring data integrity and transactional consistency.
Q: What RAID level is recommended for this SSD?
A: The recommended RAID level depends on your priority. RAID 1 or RAID 10 is preferred for strong performance and redundancy, while RAID 5 or RAID 6 may suit capacity-focused deployments.