Secure payments
Standard refund policy
Trade Assurance
| Brand | Samsung |
|---|---|
| Model | PM1633a Series |
| Capacity | 3.84TB |
| Usage Class | Enterprise Data Center / Read Intensive |
| Host Interface | SAS 12Gb/s |
|---|---|
| Total Interface Bandwidth | 12 Gb/s |
| Form Factor | 2.5 15mm |
|---|
| NAND Flash | Samsung 48-layer 3D V-NAND TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 7008 TBW |
| Sequential Read | 1200 MB/s |
|---|---|
| Sequential Write | 900 MB/s |
| Random Read IOPS | 190000 |
| Random Write IOPS | 37000 |
| Average Latency | 110 μs |
| Mean Time Between Failures | 2.0 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZILS3T8HCJM |
|---|
Compared with the earlier MZILS3T8HCJM, the PM1633a MZILS3T8HMLH-000D4 advances to Samsung 48-layer 3D V-NAND TLC and delivers up to 1200/900 MB/s with 190,000/37,000 IOPS, making it a stronger 12Gb/s SAS option for higher-density, read-centric enterprise tiers. With 3.84TB capacity, 1 DWPD, and 7008 TBW, it offers a better balance of usable capacity, endurance, and consistent latency than typical same-class SAS SSDs for virtualization clusters, scale-out storage, and analytics caching.
With an endurance rating of 7008 TBW and 1 DWPD, the MZILS3T8HMLH-000D4 is designed to handle one full drive write per day across its warranty life, which is more than sufficient for typical enterprise boot, OS, logging, and mainstream application workloads. In practical terms, under normal system-disk or read-intensive server use, this level of endurance provides long-term operational headroom and can support many years of stable service without endurance concerns. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and metadata during an unexpected power interruption, reducing the risk of corruption and improving system recovery confidence. Its UBER of 1.0E-17 indicates an extremely low uncorrectable bit error rate, supporting high data integrity in business-critical environments, while the 2 million hour MTBF further reflects a design intended for dependable continuous operation.
1. The SAS 12Gb/s interface enables seamless deployment in dual-port enterprise storage environments, improving availability and simplifying integration with existing server and array backplanes.
2. With up to 1200 MB/s sequential read performance, the drive accelerates large-scale data ingestion, backup recovery, and analytics scan workloads.
3. Delivering 190,000 random read IOPS, it sustains responsive performance for virtualization clusters, OLTP databases, and other heavily concurrent read-intensive applications.
4. Rated for 1 DWPD, it provides dependable day-after-day write endurance for mainstream enterprise workloads while helping control storage lifecycle cost.
5. Built on Samsung 48-layer 3D V-NAND TLC and tuned for a typical latency of 110 µs, it balances flash density with consistently fast response times for predictable service-level performance.
Lower capacity reference: 1.92TB Higher capacity reference: 7.68TB Capacity positioning analysis: In this series, 3.84TB is the sweet-spot capacity. Compared with 1.92TB, it gives meaningfully more headroom for OS growth, logs, snapshots, and mixed application data, reducing early capacity pressure while keeping the same class of enterprise read/write and random IOPS behavior. Compared with 7.68TB, it delivers a more attractive cost-per-drive and lowers overprovisioned spend when full capacity is not yet required, while preserving balanced performance. It is especially well suited for mid-scale deployments, such as a 6 to 10 host virtualization cluster or a compact database and analytics tier.
Q: Is MZILS3T8HMLH-000D4 suitable for a write-heavy database server?
A: It can support mixed-use database workloads, but it is not ideal for highly write-heavy servers. With 1 DWPD and TLC NAND, it is better suited for balanced read/write enterprise applications.
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 3.84TB drive write per day over its warranty period, aligned with its 7008TB total bytes written endurance.
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, which is critical for enterprise systems requiring data integrity and operational reliability.
Q: What RAID level is recommended for this SSD?
A: The recommended RAID level depends on the application. RAID 10 is preferred for high database performance and redundancy, while RAID 5 or 6 may fit capacity-focused enterprise storage environments.