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| Brand | Samsung |
|---|---|
| Model | PM1643 |
| Capacity | 960 GB |
| 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 | 1752 TBW |
| Sequential Read | 2100 MB/s |
|---|---|
| Sequential Write | 1000 MB/s |
| Random Read IOPS | 380000 |
| Random Write IOPS | 40000 |
| Average Latency | 100 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | MZILS960HEHP-00007 |
|---|
The MZ-ILT960C (PM1643) is a strong fit for mainstream enterprise SAS deployments that need predictable read-heavy performance, combining 2,100/1,000 MB/s throughput, up to 380,000/40,000 IOPS, and 1,752 TBW in a 960 GB footprint. Compared with the previous-generation MZILS960HEHP-00007, PM1643’s Samsung V-NAND 3D TLC architecture delivers a more cost-efficient balance of capacity, endurance, and SAS 12Gb/s performance, making it the better choice for virtualized servers and scale-out storage nodes.
With an endurance rating of 1,752 TBW and 1 DWPD, the MZ-ILT960C is designed to handle writing its full 960 GB capacity every day throughout its rated service life, which is more than sufficient for typical operating system, application, and general server workloads. In practical terms, under common mixed-use enterprise scenarios, this level of endurance provides long-term peace of mind and can comfortably support use as a reliable system or boot drive for many years. For enterprise reliability, the MZ-ILT960C includes power-loss protection (PLP), which helps preserve in-flight data and metadata during an unexpected power failure, reducing the risk of corruption and improving system integrity. Its UBER rating of 1.0E-17 indicates an extremely low unrecoverable bit error rate, while the 2 million-hour MTBF further reinforces that this SSD is built for dependable, business-critical operation.
1. The SAS interface ensures seamless integration with mainstream enterprise backplanes and dual-controller storage architectures, making the drive a dependable fit for mission-critical servers and arrays.
2. Its strong sequential read performance accelerates large-block data access, helping databases, virtual machine farms, and backup platforms cut wait times during heavy streaming workloads.
3. The high random read capability is ideal for latency-sensitive applications such as OLTP, VDI, and metadata-intensive environments where massive small-block access must stay responsive under concurrency.
4. Built for steady daily rewrite cycles, it gives enterprises predictable endurance for mixed-use deployments without overpaying for write-intensive media they do not need.
5. Samsung V-NAND 3D TLC, paired with low typical latency, delivers a balanced combination of density, power efficiency, and fast response that supports consistent QoS in always-on data center operations.
Lower reference capacity: 480 GB Higher reference capacity: 1.92 TB In this SSD family, the 960 GB model sits at the practical sweet spot. Compared with the 480 GB version, it offers much better headroom for OS images, application stacks, logs, and moderate data growth, reducing early capacity pressure. Compared with the 1.92 TB option, it keeps acquisition cost and fleet-wide budget under tighter control while delivering essentially the same enterprise-class sequential and random performance profile. This makes 960 GB especially well suited for mid-scale virtualization clusters, such as shared boot and application storage for about 40 to 60 general-purpose virtual machines.
Q: Is MZ-ILT960C suitable for a write-heavy database server?
A: MZ-ILT960C can support mixed-use database workloads, but with 1 DWPD it is better suited for moderate write intensity rather than highly write-heavy, continuously intensive database server environments.
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 handle one full 960GB drive write per day across its warranty period, aligned with its 1752TB 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 unexpected outages, which is critical for maintaining data integrity and preventing corruption in enterprise systems.
Q: What RAID level is recommended for this SSD?
A: RAID recommendation depends on workload priorities. RAID 1 or RAID 10 is commonly preferred for enterprise SSDs when performance, redundancy, and faster rebuild behavior are more important than raw capacity.