| Brand | Samsung |
|---|---|
| Model | PM1633 |
| Capacity | 3.84TB |
| Usage Class | Enterprise |
| Host Interface | SAS 12Gb/s |
|---|---|
| Total Interface Bandwidth | 12 Gb/s |
| Form Factor | 2.5 |
|---|
| NAND Flash | Samsung V-NAND 3bit MLC (TLC) |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 7008 TBW |
| Sequential Read | 1200 MB/s |
|---|---|
| Sequential Write | 900 MB/s |
| Random Read IOPS | 160000 |
| Random Write IOPS | 18000 |
| Average Latency | 110 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZILS3T8HMLH |
|---|
Samsung PM1633 MZILS3T8HCJM-00003 is a strong fit for read-centric enterprise SAS arrays, combining 3.84TB, 7008 TBW at 1 DWPD, and up to 1200/900 MB/s with 160K/18K IOPS to deliver dense, predictable performance for virtualization, analytics, and scale-out storage nodes. Compared with the previous MZILS3T8HMLH generation, it offers a more compelling endurance-and-capacity profile on Samsung V-NAND 3bit MLC (TLC), making it a better choice where higher per-slot efficiency and lower $/TB matter more than write-heavy tuning.
With an endurance rating of 7008 TBW and 1 DWPD, the MZILS3T8HCJM-00003 is designed to sustain writing its full capacity once per day throughout its rated service life, which is more than sufficient for typical enterprise boot, system, and mixed read/write application workloads. In practical terms, this level of endurance means buyers can expect long-term, predictable operation under normal data center usage without concerns about premature wear. For enterprise reliability, built-in Power Loss Protection (PLP) helps preserve in-flight data and protects metadata integrity during unexpected power interruptions, reducing the risk of corruption and unplanned recovery events. Its UBER of 1.0E-17, together with a 2 million-hour MTBF, reflects a very low probability of unrecoverable read errors and strong overall dependability for business-critical environments.
1. The SAS 12Gb/s interface, paired with 1200 MB/s sequential read performance, enables predictable high-speed data streaming for enterprise arrays, backup targets, and virtualized application servers.
2. Up to 160,000 random read IOPS helps accelerate metadata lookups, VM boot storms, and database query responsiveness in read-intensive workloads.
3. A 1 DWPD endurance rating makes this drive a strong fit for mainstream enterprise environments that need dependable daily write capacity without overpaying for ultra-high-endurance media.
4. Samsung V-NAND 3bit MLC (TLC) balances cost, density, and reliability, giving datacenters an efficient flash tier for scaling capacity across mixed business workloads.
5. With typical latency of 110 µs, the drive supports faster transaction handling and more consistent application response times in shared storage environments.
Lower capacity reference: 1.92TB Higher capacity reference: 7.68TB Capacity positioning analysis: At 3.84TB, this SSD sits at the sweet spot of the family. Compared with the 1.92TB model, it offers much better headroom for data growth, mixed workloads, and longer refresh cycles, reducing the chance of early capacity bottlenecks. Compared with the 7.68TB version, it delivers a more balanced acquisition cost while keeping enterprise-class sequential throughput and random IOPS essentially in the same range. This makes 3.84TB especially suitable for mid-scale virtualization clusters, database logging tiers, or roughly 40 to 60 mixed-use application server boot volumes.
Q: Is MZILS3T8HCJM-00003 suitable for a write-heavy database server?
A: It can support mixed-use and moderate write-intensive database workloads, but with 1 DWPD, it is not the best fit for extremely write-heavy environments. Higher-endurance SSDs are recommended for sustained heavy 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 3.84TB drive write per day throughout its warranty period, aligned with its 7008TB total endurance rating.
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 power failure, which is critical for maintaining data integrity and reducing corruption risk in enterprise systems.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is commonly recommended for this SSD in performance-sensitive database or virtualization environments, as it offers strong redundancy and fast rebuilds. RAID 5 or 6 may suit capacity-focused deployments.