Secure payments
Standard refund policy
Trade Assurance
| Brand | Samsung |
|---|---|
| Model | PM1633a |
| Capacity | 3.84 TB |
| Usage Class | Read Intensive |
| Host Interface | SAS 12Gb/s |
|---|---|
| Total Interface Bandwidth | 12 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND 3D TLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 7008 TBW |
| Sequential Read | 1200 MB/s |
|---|---|
| Sequential Write | 1000 MB/s |
| Random Read IOPS | 200000 |
| Random Write IOPS | 37000 |
| Average Latency | 95 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZILS3T8HCJM |
|---|
Compared with the previous-generation MZILS3T8HCJM, the Samsung PM1633a (MZILS3T8HMLH0D4) brings a newer V-NAND 3D TLC design on the same 12Gb/s SAS platform, delivering up to 1,200/1,000 MB/s and 200,000/37,000 IOPS for stronger mixed-workload responsiveness at 3.84 TB. With 1 DWPD and 7,008 TBW, it is a particularly strong fit for virtualized enterprise storage, database read-heavy tiers, and capacity-dense server deployments that need a better balance of endurance, performance consistency, and usable flash density than the earlier part.
With an endurance rating of 7008 TBW and 1 DWPD, the MZILS3T8HMLH0D4 is built to support writing its full capacity once per day across its warranted service life, which is well aligned with typical enterprise read-intensive and mixed-use workloads. In practical terms, for lighter real-world duties such as OS, boot, application, or general server storage, this level of endurance provides substantial long-term headroom and can deliver many years of worry-free operation when deployed within specification. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and metadata during sudden power interruptions, reducing the risk of corruption and improving recovery confidence. Its UBER rating of 1.0E-17 indicates an extremely low probability of unrecoverable bit errors, and when paired with a 2 million hour MTBF, it reflects a storage platform designed for dependable data integrity and stable 24/7 operation.
1. The dual-port SAS architecture provides enterprise-class path redundancy and seamless integration with mission-critical storage arrays, reducing single-point-of-failure risk in always-on environments.
2. Its strong sequential read performance accelerates backup restores, analytics scans, and media streaming workloads, helping large datasets move faster through the infrastructure.
3. High random read capability paired with microsecond-class response time keeps database queries, virtual desktop boot storms, and metadata-heavy applications consistently responsive under concurrency.
4. A one-drive-write-per-day endurance profile is well suited for read-centric enterprise workloads, giving IT teams predictable lifespan and lower replacement planning overhead in mixed-use deployments.
5. Samsung V-NAND 3D TLC balances density, power efficiency, and enterprise-grade reliability, enabling cost-effective capacity scaling without sacrificing operational stability.
Lower capacity: 1.92 TB Higher capacity: 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 offers much better headroom for VM growth, log retention, and application expansion without changing the familiar enterprise performance profile. Compared with the 7.68 TB option, it delivers a more balanced cost-per-drive while keeping capacity high enough for mainstream consolidation projects. This makes 3.84 TB especially well suited for mid-scale virtualization clusters, database nodes, or hybrid storage tiers serving roughly 40-60 business applications.
Q: Is MZILS3T8HMLH0D4 suitable for a write-heavy database server?
A: It can support mixed or moderate-write database workloads, but for truly write-heavy database servers, 1 DWPD may be limiting. We typically recommend higher-endurance enterprise SSDs for sustained intensive writes.
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 handle one full drive write per day over its warranty term. With 3.84 TB capacity, that equals about 3.84 TB writes daily.
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, which is critical for enterprise systems requiring data integrity, consistency, and safer recovery.
Q: What RAID level is recommended for this SSD?
A: The recommended RAID level depends on workload and availability targets. RAID 10 is generally best for databases needing strong performance and redundancy, while RAID 5 or 6 suits capacity-focused environments.