Secure payments
Standard refund policy
Trade Assurance
| Brand | Samsung |
|---|---|
| Model | PM9A3 |
| Capacity | 3.84 TB |
| Usage Class | Read Intensive |
| Host Interface | PCIe Gen4 x4 |
|---|---|
| Total Interface Bandwidth | 64 Gb/s |
| Form Factor | E1.S |
|---|
| NAND Flash | Samsung V-NAND 6th-Gen 128-layer 3D TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 7008 TBW |
| Sequential Read | 6900 MB/s |
|---|---|
| Sequential Write | 4100 MB/s |
| Random Read IOPS | 1100000 |
| 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 | MZTL23T8HBLS |
|---|
Compared with MZTL23T8HBLS, the Samsung PM9A3 MZTL23T8HCLS advances to a PCIe Gen4 x4 architecture with 6th-Gen 128-layer V-NAND, delivering up to 6,900/4,100 MB/s and 1,100,000/180,000 IOPS for a clear generational gain in bandwidth and transaction density. At 3.84 TB with 1 DWPD and 7,008 TBW, it is a strong fit for virtualized infrastructure, scale-out databases, and read-intensive cloud platforms that need higher performance per drive without sacrificing enterprise endurance.
With an endurance rating of 7008 TBW and 1 DWPD, the MZTL23T8HCLS is designed to handle the equivalent of writing its full capacity once per day across its rated service life, which is more than sufficient for typical enterprise boot, system, and read-intensive application workloads. In practical terms, under normal system-disk usage, this level of endurance supports long-term deployment with substantial write headroom and can be used with confidence for many years without endurance-related concern. 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 integrity. Its UBER of 1.0E-17, together with a 2 million hour MTBF, reflects a very low likelihood of uncorrectable bit errors and strong overall operational reliability expected in data center environments.
1. The PCIe Gen4 x4 interface, paired with top-tier sequential throughput, keeps data pipelines saturated so analytics clusters, AI inference nodes, and virtualization hosts spend less time waiting on storage.
2. Its strong random read capability enables databases, search engines, and high-concurrency cloud workloads to serve far more small-block requests with consistently fast user response times.
3. A 1 DWPD endurance rating provides the write durability enterprises need for mixed-use deployment, helping sustain daily production traffic without overprovisioning for heavier write classes.
4. Samsung 6th-Gen 128-layer 3D TLC V-NAND balances density, power efficiency, and reliability, making it well suited for scale-out data centers that need predictable performance at attractive cost per TB.
5. The very low typical latency helps cut tail-response delays in transaction-heavy applications, improving SLA stability for OLTP, real-time caching, and latency-sensitive virtual machines.
Lower capacity reference: 1.92 TB Higher capacity reference: 7.68 TB At 3.84 TB, this SSD sits in the sweet spot of the series. Compared with the 1.92 TB model, it gives much better headroom for OS images, application growth, logs, and overprovisioning, reducing early capacity pressure in enterprise nodes. Compared with the 7.68 TB option, it usually delivers a more efficient balance of acquisition cost, usable capacity, and performance consistency, without overcommitting budget to flash density that may not be immediately needed. It is well suited for mid-scale virtualization clusters, database replicas, and balanced hyperconverged storage nodes.
Q: Is MZTL23T8HCLS suitable for a write-heavy database server?
A: It can support mixed and moderate write-intensive database workloads, but with 1 DWPD, it is better suited to enterprise read-heavy or balanced environments than extremely write-heavy database applications.
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 3.84 TB drive write per day throughout its warranty period, aligned with its 7008 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 sudden outages, reducing corruption risk and improving reliability in enterprise and transactional storage environments.
Q: What RAID level is recommended for this SSD?
A: RAID 1, RAID 10, or RAID 5/6 may be selected depending on performance, capacity, and redundancy goals. For databases and virtualization, RAID 10 is typically the preferred recommendation.