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| Brand | Samsung |
|---|---|
| Model | PM9D3a |
| Capacity | 15.36 TB |
| Usage Class | Enterprise / Data Center Read Intensive |
| Host Interface | PCIe Gen5 x4, NVMe 2.0 |
|---|---|
| Total Interface Bandwidth | 128 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V8 (236-layer) TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 28032 TBW |
| Sequential Read | 12000 MB/s |
|---|---|
| Sequential Write | 6800 MB/s |
| Random Read IOPS | 2000000 |
| Random Write IOPS | 250000 |
| Average Latency | 65 μs |
| Mean Time Between Failures | 2.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZQL215THBLA-00A07 |
|---|
The Samsung PM9D3a MZWL615THBLF-00AW7 advances beyond the previous-generation MZQL215THBLA-00A07 by moving to PCIe Gen5 x4 and NVMe 2.0, delivering up to 12,000 MB/s sequential read, 6,800 MB/s write, and 2.0M/250K random read/write IOPS for significantly higher host-side bandwidth and transaction density. With 15.36 TB of Samsung V8 236-layer TLC and 28,032 TBW at 1 DWPD, it offers a stronger blend of capacity, endurance, and performance for read-intensive virtualization, large-scale analytics, and high-throughput cloud storage tiers than its predecessor.
With an endurance rating of 28,032 TBW, this SSD is designed to sustain approximately one full drive write per day across a standard 5-year enterprise usage window, which reflects a strong write tolerance for continuous operation. In typical system-disk, boot, application, and mixed server workloads, that level of endurance provides substantial headroom and can comfortably support long-term deployment, including use as a system drive over many years. Its power loss protection (PLP) helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and improving operational continuity in enterprise environments. The UBER specification of 1.0E-17 indicates an enterprise-class unrecoverable bit error rate, meaning an extremely low probability of uncorrectable read errors and stronger overall data integrity for business-critical storage.
1. The PCIe Gen5 x4 interface with NVMe 2.0 unlocks next-generation host bandwidth and lower software overhead, making this drive ideal for GPU servers, high-frequency databases, and dense virtualization platforms.
2. Its class-leading sequential read performance accelerates large-block data movement, cutting checkpoint recovery, analytics scans, and AI dataset loading times in enterprise storage nodes.
3. The extremely high random read capability sustains fast response under heavily concurrent workloads, which is critical for OLTP databases, metadata-intensive cloud services, and large-scale VMs.
4. A 1 DWPD endurance profile gives enterprises a balanced write budget for mixed-use deployments, helping control cost while still supporting predictable long-term operation in always-on environments.
5. Samsung V8 236-layer TLC NAND, paired with very low typical latency, delivers a strong combination of flash density, power-efficient performance, and consistently quick access times for latency-sensitive applications.
Lower-capacity reference: 7.68 TB Higher-capacity reference: 30.72 TB At 15.36 TB, this SSD sits in the sweet spot of the series. Compared with 7.68 TB, it gives much better headroom for dataset growth, denser consolidation, and longer refresh cycles without changing the platform or sacrificing the series’ typical enterprise read/write and IOPS profile. Compared with 30.72 TB, it avoids the steeper acquisition cost and delivers a more balanced cost-per-deployment for mainstream infrastructure. It is especially well suited for mid-scale virtualization clusters, high-density database nodes, or all-flash storage pools serving roughly 150 to 250 mixed business workloads.
Q: Is MZWL615THBLF-00AW7 suitable for a write-heavy database server?
A: Yes, it is suitable for mixed and moderately write-heavy database workloads. With 1 DWPD, 28,032 TBW, low 65 µs latency, and PCIe Gen5 NVMe performance, it supports demanding enterprise applications reliably.
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 it can sustain one full 15.36 TB drive write per day throughout its warranty period, aligned with its 28,032 TBW endurance 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 data integrity for enterprise, database, and transactional workloads.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is generally recommended for database and virtualization environments, as it balances performance, redundancy, and rebuild efficiency. For capacity-focused deployments, RAID 5 or RAID 6 may also be considered.