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| Brand | Samsung |
|---|---|
| Model | PM9A3 |
| Capacity | 3.84 TB |
| Usage Class | Read Intensive |
| Host Interface | PCIe 4.0 x4 |
|---|---|
| Total Interface Bandwidth | 16 Gb/s |
| Form Factor | E1.S |
|---|
| NAND Flash | Samsung V-NAND 3-bit 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-V9S4T0B/AM |
|---|
The Samsung PM9A3 MZ-DL23T80 delivers a clear generational step over MZ-V9S4T0B/AM by moving from a client-class design to a datacenter-optimized PCIe 4.0 x4 platform, combining 3.84 TB of Samsung V-NAND TLC with enterprise endurance at 1 DWPD and 7008 TBW for far stronger sustained write tolerance and fleet reliability. With up to 6800/4000 MB/s and 1,000,000/180,000 IOPS, this MPN is especially well suited for dense virtualization, read-heavy databases, and scale-out cloud storage nodes that need high throughput without stepping up to a higher-cost mixed-use SSD tier.
With an endurance rating of 7008 TBW and 1 DWPD, this SSD is designed to sustain a full drive write per day across its warranty usage profile, making it well suited for continuous business and server workloads. In typical system-disk or mixed-read environments, this level of endurance translates into many years of dependable operation, giving buyers confidence that normal enterprise use will remain well within the drive’s write limits. This model also includes power loss protection (PLP), which helps preserve in-flight data and metadata during an unexpected power interruption, reducing the risk of corruption and unplanned recovery events. Combined with an enterprise-class UBER of 1.0E-17 and a 2 million hour MTBF, it delivers a very low uncorrectable error rate and strong long-term reliability for business-critical deployments.
1. The PCIe 4.0 x4 interface, paired with top-tier sequential read performance, enables much faster dataset streaming, VM boot-up, and checkpoint loading in bandwidth-intensive enterprise platforms.
2. Its class-leading random read capability sustains extremely high transaction concurrency, making it well suited for latency-sensitive databases, virtualization clusters, and large-scale metadata services.
3. The enterprise endurance profile supports predictable daily full-drive writes over the warranty period, giving operators a balanced mix of write resilience and storage efficiency for mainstream server workloads.
4. Samsung V-NAND 3-bit TLC provides a strong balance of cost, density, and reliability, helping data centers scale capacity economically without sacrificing enterprise-grade consistency.
5. The very low typical latency improves application responsiveness under load, reducing storage wait time for real-time analytics, online transaction processing, and mixed-workload environments.
Lower capacity reference: 1.92 TB Higher capacity reference: 7.68 TB Capacity positioning analysis: In this product family, the 3.84 TB model sits at the sweet spot between entry deployment and high-density expansion. Compared with the 1.92 TB version, it gives much better space headroom for mixed virtualized workloads, longer refresh cycles, and fewer capacity bottlenecks as data grows. Compared with the 7.68 TB option, it delivers a more attractive balance of cost, usable capacity, and enterprise-class performance that is typically similar in sequential throughput and random IOPS. It is especially well suited for mid-scale clusters, such as hosting boot and application volumes for about 40–60 virtualization nodes or several hundred VDI users.
Q: Is MZ-DL23T80 suitable for a write-heavy database server?
A: It can support moderate to sustained database workloads, but for highly write-intensive servers, its 1 DWPD rating may be limiting. It is better suited for mixed-use enterprise applications.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: The MZ-DL23T80 is rated for 1 DWPD, meaning it can handle one full 3.84 TB drive write per day throughout its warranty period, aligned with 7008 TBW endurance.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes power loss protection. PLP is critical because it helps preserve in-flight data and mapping tables during sudden outages, reducing corruption risk in enterprise environments.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is commonly recommended for this SSD when performance and redundancy are both important. For capacity-focused deployments, RAID 5 or RAID 6 may also be considered.