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| Brand | Samsung |
|---|---|
| Model | PM9D3A |
| Capacity | 3.84 TB |
| Usage Class | Read Intensive |
| Host Interface | PCIe Gen5 x4 |
|---|---|
| Total Interface Bandwidth | 128 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND 8th Gen TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 7008 TBW |
| Sequential Read | 12000 MB/s |
|---|---|
| Sequential Write | 6800 MB/s |
| Random Read IOPS | 2000000 |
| Random Write IOPS | 180000 |
| Average Latency | 75 μs |
| Mean Time Between Failures | 2.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZQL23T8HCLS-00A07 |
|---|
Compared with the previous-generation MZQL23T8HCLS-00A07, the PM9D3A MZTL63T8HFLT-00AW7 steps up to PCIe Gen5 x4 and Samsung 8th Gen V-NAND TLC, delivering up to 12,000/6,800 MB/s sequential performance and 2,000,000/180,000 IOPS for a clear generational gain in bandwidth and read responsiveness. At 3.84 TB with 1 DWPD and 7008 TBW, it is a strong fit for high-density virtualization, scale-out databases, and mixed enterprise read-centric deployments that need next-generation throughput without sacrificing endurance.
With an endurance rating of 7008 TBW and 1 DWPD, this SSD is designed to sustain a full drive write per day across its rated service life, which is more than sufficient for typical server boot, OS, virtualization, and read-centric enterprise workloads. In practical terms, for common system-disk usage patterns, the write budget is far above normal demand and provides ample long-term endurance headroom with confidence. For enterprise reliability, built-in Power Loss Protection (PLP) helps preserve in-flight data and protects mapping metadata during unexpected power interruptions, reducing the risk of corruption and unplanned recovery events. Its UBER of 1.0E-17, together with a 2.5 million hour MTBF, indicates a very low probability of unrecoverable bit errors and supports dependable operation in business-critical environments.
1. The PCIe Gen5 x4 architecture unlocks ultra-fast host connectivity, enabling storage to keep pace with GPU clusters, real-time analytics, and other bandwidth-intensive enterprise workloads.
2. Its strong sequential read capability accelerates large-block data movement, reducing wait time for AI model loading, database backup recovery, and high-speed media processing.
3. Exceptional random read performance allows the drive to sustain massive parallel query traffic, making it ideal for virtualized infrastructure, hot-tier databases, and latency-sensitive cloud services.
4. With enterprise-grade write endurance, the drive can handle sustained daily data refresh cycles over its service life, supporting predictable operation in mixed-use server environments.
5. Built on Samsung’s 8th generation TLC V-NAND and paired with very low typical latency, it delivers a strong balance of density, responsiveness, and power-efficient reliability for always-on data center deployment.
Lower capacity reference: 1.92 TB Higher capacity reference: 7.68 TB At 3.84 TB, this drive sits in the sweet spot of the series. Compared with the 1.92 TB model, it gives much better headroom for data growth, denser consolidation, and longer refresh cycles without changing the familiar enterprise-level read/write and random IOPS profile. Compared with the 7.68 TB option, it delivers a more efficient balance of cost, usable capacity, and performance consistency, making it a practical mainstream choice. It is especially well suited for mid-sized virtualization clusters, mixed database nodes, or high-density application servers handling roughly 40 to 60 business workloads.
Q: Is MZTL63T8HFLT-00AW7 suitable for a write-heavy database server?
A: Yes, it can support database workloads, but with 1 DWPD it is better suited for mixed-use or moderate write-intensive servers rather than extremely heavy write environments requiring higher endurance.
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 its 7008 TBW endurance rating.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes PLP. This is critical because it helps protect in-flight data and metadata during unexpected power failure, reducing corruption risk and improving enterprise storage reliability.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is commonly recommended for enterprise SSD deployments needing both performance and redundancy. RAID 1 or RAID 5 may also fit, depending on your balance of capacity, speed, and fault tolerance.