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| Brand | Samsung |
|---|---|
| Model | PM9A3 |
| Capacity | 3.84 TB |
| Usage Class | Read Intensive |
| Host Interface | PCIe Gen4 x4 |
|---|---|
| Total Interface Bandwidth | 64 Gb/s |
| Form Factor | E1.S |
|---|
| NAND Flash | Samsung V-NAND 6th-Gen 128-layer 3D TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 7008 TBW |
| Sequential Read | 6900 MB/s |
|---|---|
| Sequential Write | 4100 MB/s |
| Random Read IOPS | 1100000 |
| Random Write IOPS | 180000 |
| Average Latency | 85 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ1L23T8HCMA-00A07 |
|---|
The Samsung PM9A3 MZ1L23T8HBLA-00A07 delivers a clear generational step over MZ1L23T8HCMA-00A07 by moving to a PCIe Gen4 x4 platform with Samsung 6th-Gen 128-layer V-NAND, enabling up to 6900/4100 MB/s sequential performance and 1,100,000 random-read IOPS for materially higher throughput and faster response under mixed enterprise workloads. At 3.84 TB with 1 DWPD and 7008 TBW, this MPN is a strong fit for virtualization clusters, scale-out cloud storage, and read-intensive database tiers where its combination of high Gen4 bandwidth, enterprise endurance, and Samsung controller efficiency provides better density and performance headroom than the previous generation.
With an endurance rating of 7008 TBW and 1 DWPD, the MZ1L23T8HBLA-00A07 is designed to handle the equivalent of writing its full capacity once per day, providing ample margin for typical enterprise system-boot, application, and mixed server workloads. In practical terms, for common OS and infrastructure usage, this level of endurance supports many years of dependable operation and can be considered more than sufficient for long-term deployment without wear concerns. Its enterprise-grade reliability is further strengthened by Power Loss Protection (PLP), which helps preserve in-flight data and metadata during an unexpected power interruption, reducing the risk of corruption or incomplete writes. An UBER of 1.0E-17 means the drive is engineered for an extremely low rate of unrecoverable read errors, supporting high data integrity expectations in business-critical environments.
1. The PCIe Gen4 x4 host interface unlocks enough bandwidth to keep modern CPU platforms fed, reducing data-ingest bottlenecks in virtualization, analytics, and AI inference servers.
2. Its strong sequential read performance accelerates large-block workloads such as database backup scans, media streaming, and rapid model or dataset loading.
3. The high random read capability enables dense VM farms and transactional databases to serve far more concurrent queries with consistently responsive performance.
4. A daily full-drive write endurance profile makes it a practical fit for read-centric enterprise deployments where predictable lifespan and lower replacement risk matter more than heavy write intensity.
5. Samsung’s sixth-generation 3D TLC V-NAND, paired with very low typical latency, helps deliver fast response times and stable QoS for business-critical applications that are sensitive to storage delay.
Lower capacity reference: 1.92 TB Higher capacity reference: 7.68 TB At 3.84 TB, this SSD sits in the sweet spot of the family. Compared with the 1.92 TB version, it gives materially better headroom for OS images, logs, metadata, and application growth, reducing early capacity pressure in production. Compared with the 7.68 TB model, it keeps acquisition cost and $/IO balance more disciplined while delivering essentially the same class of enterprise performance. It is best suited for mid-scale deployments, such as a 2-node to 4-node virtualization cluster, a compact database tier, or dense edge infrastructure with predictable growth.
Q: Is MZ1L23T8HBLA-00A07 suitable for a write-heavy database server?
A: It can support moderate write-intensive database workloads, but with 1 DWPD it is better suited for mixed-use enterprise servers rather than consistently heavy write-heavy database environments.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 1 DWPD, meaning it can sustain one full 3.84 TB drive write per day across its warranty period, aligned with 7008 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 enterprise data integrity and storage consistency.
Q: What RAID level is recommended for this SSD?
A: RAID recommendation depends on your priority: RAID 1 or RAID 10 is preferred for performance and redundancy, while RAID 5 or RAID 6 suits capacity-focused deployments.