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| Brand | Samsung |
|---|---|
| Model | PM9A3 |
| Capacity | 480 GB |
| Usage Class | Read Intensive |
| Host Interface | PCIe 4.0 x4 |
|---|---|
| Total Interface Bandwidth | 16 Gb/s |
| Form Factor | M.2 (22110) |
|---|
| NAND Flash | Samsung V-NAND 6th Gen TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 876 TBW |
| Sequential Read | 5500 MB/s |
|---|---|
| Sequential Write | 1100 MB/s |
| Random Read IOPS | 680000 |
| Random Write IOPS | 55000 |
| Average Latency | 85 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ7LM1T9HMJP0D3 |
|---|
The Samsung PM9A3 480GB (MZVL2480HBJD-00AH3) is a strong fit for read-intensive boot, caching, and edge-server tiers, combining PCIe 4.0 x4 NVMe with Samsung 6th Gen V-NAND TLC to deliver up to 5500 MB/s sequential read and 680,000 random read IOPS at 1 DWPD endurance. Compared with the previous-generation MZ7LM1T9HMJP0D3, it brings a clear generational leap in interface class and flash architecture, enabling substantially higher throughput, lower latency, and better platform efficiency for modern enterprise servers.
With an endurance rating of 876 TBW, this SSD can sustain a total of 876 terabytes of writes over its service life, which is equivalent to writing roughly 240 GB per day for 10 years under a typical workload. For a 480 GB-class drive, it also aligns with about one full drive write per day for around five years, making it a dependable choice for OS, application, and general business-use deployments. Its enterprise-grade reliability is further strengthened by built-in Power Loss Protection (PLP), which helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and unplanned downtime. In addition, the ultra-low UBER of 1.0E-17, together with a 2 million hour MTBF, indicates a very low probability of uncorrectable read errors and supports consistent, trustworthy operation in business-critical environments.
1. The PCIe 4.0 x4 host interface, paired with 5.5 GB/s sequential read bandwidth, accelerates VM boot storms, large-dataset ingestion, and analytics jobs by reducing storage wait time across shared enterprise platforms.
2. With up to 680K random read IOPS, this drive is well suited for metadata-heavy databases, virtualization clusters, and high-concurrency transactional workloads that depend on fast small-block access at scale.
3. A 1 DWPD endurance rating provides predictable write sustainability for mixed-use enterprise deployments, giving IT teams confidence in daily overwrite tolerance throughout the service life of the SSD.
4. Samsung 6th Gen V-NAND TLC combines high density with mature flash behavior, enabling a strong balance of capacity, performance consistency, and cost efficiency for mainstream data center storage tiers.
5. A typical latency of 85 µs helps shorten application response paths, which is especially valuable for latency-sensitive services such as OLTP, caching layers, and real-time infrastructure workloads.
Reference capacities in the same series: Lower capacity: 240 GB Higher capacity: 960 GB Capacity positioning analysis: In this series, 480 GB is the practical sweet spot. Compared with the 240 GB model, it gives much more room for OS images, logs, patch growth, and application headroom, reducing the risk of early capacity pressure. Compared with the 960 GB option, it keeps acquisition cost and power footprint better controlled while still delivering broadly similar enterprise-class sequential and random performance. This makes 480 GB especially well suited for medium-scale deployments, such as boot and utility storage for a 12 to 16 node virtualization cluster or a compact database staging environment.
Q: Is MZVL2480HBJD-00AH3 suitable for a write-heavy database server?
A: Yes. With 1 DWPD, 876 TBW endurance, PCIe 4.0 x4, and Samsung 6th Gen TLC V-NAND, it is suitable for moderate to write-heavy database workloads requiring consistent enterprise-class reliability.
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 480 GB drive write per day throughout its warranty period, aligned with its 876 TB total 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 sudden outages, reducing corruption risk and improving data integrity for databases, virtualization, and transactional workloads.
Q: What RAID level is recommended for this SSD?
A: RAID choice depends on workload. RAID 1 is recommended for OS or critical data redundancy, while RAID 10 is preferred for database environments needing both strong performance and fault tolerance.