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| Brand | Samsung |
|---|---|
| Model | PM1633 |
| Capacity | 3.84 TB |
| Usage Class | Read Intensive |
| Host Interface | SAS 12.0 Gbps |
|---|---|
| Total Interface Bandwidth | 12 Gb/s |
| Form Factor | 2.5" |
|---|
| NAND Flash | Samsung V-NAND 32-layer 3D 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 | 130 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZ-7LH3T80 |
|---|
Compared with the MZ-7LH3T80, the Samsung PM1633 (MZILS3T8HCJM-000C3) advances to 32-layer V-NAND in a 3.84 TB SAS 12.0 Gbps design, delivering up to 1200/900 MB/s and 160,000/18,000 IOPS for a stronger balance of capacity, bandwidth, and latency consistency. Its 1 DWPD rating and 7008 TBW endurance make it a better fit for read-intensive to mixed enterprise workloads than earlier-generation SAS SSDs, especially where higher usable density and predictable 24/7 performance per drive are critical.
With an endurance rating of 7008 TBW and 1 DWPD, the MZILS3T8HCJM-000C3 is built to handle full-drive writes every day across its warranty period, making it well suited for steady enterprise workloads. In typical real-world use, this level of endurance is more than sufficient for long-term deployment, and if used as an OS or boot drive with normal mixed workloads, it can generally deliver many years of worry-free service. For enterprise reliability, the drive includes power-loss protection, which helps preserve in-flight data and prevents metadata corruption if power is suddenly interrupted. Its UBER rating of 1.0E-17 indicates an extremely low probability of unrecoverable bit errors during reads, supporting high data integrity, while the 2 million hour MTBF further reflects a design aimed at dependable continuous operation.
1. The SAS 12.0 Gbps interface ensures broad compatibility with mainstream enterprise backplanes and controllers, enabling dependable dual-port storage expansion in mission-critical servers.
2. With sequential read performance of 1200 MB/s, this SSD accelerates bulk data access for backup, media streaming, and large-dataset analytics workloads.
3. Delivering 160,000 K IOPS random reads with a typical latency of 130 µs, it supports highly responsive transaction processing and reduces storage wait time in virtualization and database environments.
4. Rated for 1 DWPD, the drive is well suited for read-intensive enterprise applications that need predictable endurance over continuous daily operation.
5. Built on Samsung V-NAND 32-layer 3D TLC, it balances cost efficiency, capacity density, and flash reliability for scalable data center deployments.
Lower-capacity reference: 1.92 TB Higher-capacity reference: 7.68 TB In this series, the 3.84 TB model sits at the sweet spot for mainstream enterprise deployment. Compared with the 1.92 TB version, it gives much more headroom for data growth, denser VM placement, and longer refresh cycles without changing the performance profile. Compared with the 7.68 TB option, it delivers a better balance of acquisition cost, usable capacity, and predictable enterprise latency. It is especially well suited for mid-scale virtualization clusters, mixed database workloads, or as a shared storage tier for roughly 40 to 60 business applications.
Q: Is MZILS3T8HCJM-000C3 suitable for a write-heavy database server?
A: It can support mixed and moderate write database workloads, but with 1 DWPD, it is not ideal for highly write-intensive database servers that demand higher daily endurance.
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 3.84 TB drive write per day across its warranty period, supported by 7008 TBW 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 unexpected outages, which is critical for data integrity, consistency, and enterprise storage reliability.
Q: What RAID level is recommended for this SSD?
A: RAID 10 is commonly recommended for this SSD in performance-sensitive environments, balancing redundancy and speed. RAID 5 or 6 may suit capacity-focused deployments with acceptable write overhead.