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| Brand | Samsung |
|---|---|
| Model | PM9A3 |
| Capacity | 3.84 TB |
| Usage Class | Enterprise/Read-Intensive |
| Host Interface | PCIe 4.0 x4, NVMe 1.4 |
|---|---|
| Total Interface Bandwidth | 64 Gb/s |
| Form Factor | EDSFF E1.S (9.5mm) |
|---|
| NAND Flash | Samsung V6 (128L) TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 7008 TBW |
| Sequential Read | 6800 MB/s |
|---|---|
| Sequential Write | 4000 MB/s |
| Random Read IOPS | 1000000 |
| 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 | MZ1LB3T8HMLA |
|---|
Compared with MZ1LB3T8HMLA, the PM9A3 MZ-1L23T80 moves to PCIe 4.0/NVMe 1.4 and Samsung V6 128L TLC, delivering 6.8/4.0 GB/s and 1,000,000/180,000 IOPS—roughly doubling sequential bandwidth while maintaining enterprise 1 DWPD endurance with 7008 TBW at 3.84 TB. For dense 1U/2U server deployments, this makes it a stronger fit for VM clusters, scale-out storage, and read-heavy database tiers that need materially higher per-slot performance than the previous generation without moving to a higher-endurance SSD class.
With an endurance rating of 7008 TBW and 1 DWPD, the MZ-1L23T80 is built to sustain full-drive writes every day across its warranty period, making it well suited for continuous business workloads and write-intensive system use. In typical enterprise or industrial deployments, this level of endurance means the drive can serve reliably as an OS, application, or edge data drive for many years without endurance becoming a practical concern. Its enterprise-grade reliability is further strengthened by power loss protection (PLP), which helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and improving system recovery confidence. In addition, the 1.0E-17 UBER and 2 million-hour MTBF indicate an exceptionally low probability of uncorrectable bit errors and strong long-term operational stability, giving procurement teams confidence in dependable field performance.
1. The PCIe Gen4 x4 interface with NVMe support gives this drive the bandwidth and command efficiency needed to keep virtualized databases, analytics nodes, and scale-out storage servers from being bottlenecked by legacy bus limitations.
2. Its high sequential read capability accelerates large-block data movement, reducing wait time for AI model loading, backup restores, media streaming caches, and data lake scans.
3. With very strong random read performance, the SSD can sustain heavy small-block transaction workloads, making it well suited for OLTP databases, dense VM farms, and high-concurrency cloud services.
4. The enterprise endurance profile is designed for full-drive daily overwrite cycles throughout the warranty period, providing predictable lifespan for mixed-use business applications without overpaying for write-intensive media.
5. Built on Samsung’s mature high-layer TLC NAND and paired with low typical latency, it delivers a strong balance of capacity, consistency, and fast response time for latency-sensitive enterprise workloads.
Lower-capacity reference: 1.92 TB Higher-capacity reference: 7.68 TB In this series, the 3.84 TB model sits at the sweet spot. Compared with 1.92 TB, it gives much better headroom for OS images, application datasets, logs, and growth, reducing early capacity pressure in production nodes. Compared with 7.68 TB, it typically preserves the same enterprise-class sequential and random performance profile while delivering a more attractive cost-per-deployment and lower overprovisioning risk. It is best suited for mid-scale virtualization clusters, such as hosting boot and application volumes for about 40 to 60 general-purpose virtual machines.
Q: Is MZ-1L23T80 suitable for a write-heavy database server?
A: Yes, it can support write-intensive database workloads. With 1 DWPD, 7008 TBW, TLC NAND, low 85 µs latency, and PCIe 4.0 NVMe performance, it fits many enterprise transactional 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 one full 3.84 TB drive write per day across its warranty term. That endurance aligns with the published 7008 TBW specification.
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, reducing corruption risk and improving consistency for databases, virtualization, and enterprise storage systems.
Q: What RAID level is recommended for this SSD?
A: RAID choice depends on your goal. For balanced performance and redundancy, RAID 10 is commonly recommended. For capacity efficiency with fault tolerance, RAID 5 or RAID 6 may also be considered.