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| Brand | Samsung |
|---|---|
| Model | PM9A3 |
| Capacity | 3.84 TB |
| Usage Class | Enterprise / Data Center Read Intensive |
| Host Interface | PCIe Gen4 x4, NVMe 1.4 |
|---|---|
| Total Interface Bandwidth | 64 Gb/s |
| Form Factor | E1.S |
|---|
| NAND Flash | Samsung V6 (128-layer) 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 | MZ-TL23T80 |
|---|
Compared with the MZ-TL23T80, the MZ-TL23T8A PM9A3 advances to a PCIe Gen4 x4, NVMe 1.4 platform with Samsung 128-layer V6 TLC, delivering up to 6,800/4,000 MB/s sequential performance and 1,000,000/180,000 IOPS for a clear generational gain in bandwidth and transaction throughput. Its 3.84 TB capacity, 1 DWPD endurance, and 7,008 TBW make it a stronger fit for read-intensive virtualization, scale-out cloud storage, and high-density database tiers where higher per-drive performance and enterprise endurance are required without stepping up to a higher-write class SSD.
With an endurance rating of 7008 TBW and 1 DWPD, the MZ-TL23T8A is designed to sustain writing its full capacity once per day across its warranty life, which is more than sufficient for typical enterprise boot, system, and mixed-read application workloads. In practical terms, under normal server OS, virtualization, or edge computing usage, this level of endurance provides long-term peace of mind and can comfortably support many years of stable operation without write-wear concerns. For enterprise reliability, the drive includes 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. Its UBER of 1.0E-17 and MTBF of 2 million hours indicate a very low probability of unrecoverable bit errors and strong long-term operational reliability, making it a dependable choice for business-critical deployments.
1. The PCIe Gen4 x4 interface with NVMe 1.4 unlocks high-bandwidth, low-overhead data paths that help virtualized databases and analytics clusters respond faster under heavy concurrency.
2. With 6800 MB/s sequential read performance, this drive accelerates large block transfers such as AI model loading, backup recovery, and data lake scans.
3. Delivering 1,000,000 K random read IOPS with 85 µs typical latency, it supports consistently snappy access for latency-sensitive OLTP, metadata, and VDI workloads.
4. A 1 DWPD endurance rating makes it well suited for always-on enterprise environments that require predictable write life across daily production cycles.
5. Samsung V6 (128-layer) TLC NAND provides a strong balance of density, power efficiency, and long-term reliability for mainstream data center deployments.
Lower capacity: 1.92 TB Higher capacity: 7.68 TB At 3.84 TB, this SSD sits at the sweet spot of the series. Compared with 1.92 TB, it gives much better headroom for data growth, denser VM placement, and longer refresh cycles without immediately stepping into higher-capacity spending. Compared with 7.68 TB, it preserves nearly the same enterprise-class throughput and IOPS while delivering a more efficient balance of acquisition cost, usable capacity, and power footprint. It is especially well suited for medium-scale virtualization clusters, such as hosting boot and application volumes for roughly 40 to 60 general-purpose virtual machines.
Q: Is MZ-TL23T8A suitable for a write-heavy database server?
A: Yes, it can support database workloads well. With 1 DWPD, 7008 TBW endurance, TLC NAND, and 85 µs typical latency, it fits mixed to moderately write-heavy enterprise 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 full drive write per day. For a 3.84 TB SSD, that equals about 3.84 TB of writes daily within its specified warranty endurance limits.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes power loss protection. PLP helps protect in-flight data and mapping tables during sudden outages, which is critical for enterprise databases, virtualization, and transactional consistency.
Q: What RAID level is recommended for this SSD?
A: RAID 1, 10, or 5/6 may be selected depending on priorities. For performance-sensitive and business-critical workloads, RAID 10 is commonly recommended for strong speed, redundancy, and rebuild behavior.