Secure payments
Standard refund policy
Trade Assurance
| Brand | Samsung |
|---|---|
| Model | PM9D3a |
| Capacity | 3.84TB |
| Usage Class | Read Intensive |
| Host Interface | PCIe Gen5 x4 |
|---|---|
| Total Interface Bandwidth | 32 Gb/s |
| Form Factor | 2.5-inch |
|---|
| NAND Flash | Samsung V7 (176-layer) 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 | 185000 |
| Average Latency | 80 μs |
| Mean Time Between Failures | 2.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZTLB3T8HCLS |
|---|
Compared with the previous-generation MZTLB3T8HCLS, the Samsung PM9D3a (MZTL63T8HFLT) advances to PCIe Gen5 x4 and delivers up to 12,000/6,800 MB/s with 2,000,000/185,000 IOPS, giving it a clear generational advantage in host bandwidth and read-intensive transaction performance. Its 3.84TB Samsung V7 176-layer TLC design, 1 DWPD rating, and 7008 TBW endurance make it a strong fit for high-density virtualized infrastructure, scale-out databases, and analytics tiers that need Gen5-class throughput without stepping up to higher-write enterprise SSD cost profiles.
With an endurance rating of 7008 TBW and 1 DWPD, the MZTL63T8HFLT is designed to support writing the equivalent of its full capacity once per day throughout its rated service life, which is more than sufficient for typical enterprise system-boot, virtualization, and mixed read/write workloads. In practical terms, under normal OS, application, and logging workloads, it can serve reliably as a system drive for many years without endurance concerns, giving procurement teams strong confidence in long-term deployment. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and protects metadata integrity if power is suddenly interrupted. Its UBER specification of 1.0E-17 and 2.5 million-hour MTBF indicate an enterprise-class design with an extremely low probability of uncorrectable bit errors and strong expected operational stability in data center environments.
1. The PCIe Gen5 x4 interface gives this drive enough host bandwidth to keep modern AI, analytics, and scale-out database servers fed without the storage link becoming the bottleneck.
2. Its 12,000 MB/s sequential read performance sharply reduces large-file movement and dataset load times, accelerating checkpoint recovery, media processing, and high-speed backup reads.
3. With 2,000,000 K random read IOPS, the SSD can sustain extremely dense small-block access patterns, making it well suited for virtualized clusters, metadata-heavy workloads, and latency-sensitive online transaction systems.
4. A 1 DWPD endurance rating, backed by Samsung V7 176-layer TLC NAND, provides a practical balance of write durability, capacity efficiency, and cost for enterprise read-centric to mixed-use deployments.
5. The typical 80 µs latency helps applications respond more predictably under load, improving QoS consistency for real-time databases, VM farms, and interactive cloud services.
Lower capacity reference: 1.92TB Higher capacity reference: 7.68TB At 3.84TB, this SSD sits in the sweet spot of the series. Compared with the 1.92TB option, it gives much more headroom for OS images, application growth, logs, and buffer capacity, reducing the risk of early space pressure. Compared with the 7.68TB model, it delivers a better balance of acquisition cost, usable capacity, and enterprise-class performance consistency, while keeping sequential throughput and random IOPS in the same mainstream range. It is well suited for a mid-sized virtualization cluster, such as hosting boot and application volumes for about 40 to 60 virtual machines.
Q: Is MZTL63T8HFLT suitable for a write-heavy database server?
A: MZTL63T8HFLT is better suited for mixed or read-intensive enterprise workloads. With 1 DWPD and 7008 TBW, it can handle steady writes, but extremely write-heavy database environments may require higher-endurance SSDs.
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 supports one full drive write per day during its warranty term. For 3.84TB capacity, that equals about 3.84TB of writes daily.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, MZTL63T8HFLT includes power loss protection. PLP helps preserve in-flight data and metadata during sudden outages, which is critical for enterprise systems requiring data integrity, consistency, and reduced corruption risk.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is commonly recommended for performance-sensitive enterprise applications, including databases and virtualization. If capacity efficiency is more important, RAID 5 or RAID 6 can also be considered, depending on workload.