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| Brand | Micron |
|---|---|
| Model | S650DC |
| Capacity | 1.6TB |
| Usage Class | Enterprise |
| Host Interface | SAS 12Gb/s |
|---|---|
| Total Interface Bandwidth | 12 Gb/s |
| Form Factor | 2.5" 7mm |
|---|
| NAND Flash | 16nm MLC |
|---|---|
| Drive Writes Per Day | 10 |
| Total Bytes Written | 29000 TBW |
| Sequential Read | 1900 MB/s |
|---|---|
| Sequential Write | 850 MB/s |
| Random Read IOPS | 200000 |
| Random Write IOPS | 80000 |
| Average Latency | 115 μs |
| Mean Time Between Failures | 2.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
The Micron S650DC 1.6TB (MTFDJAL1T6MBS-2AN1ZAB) is purpose-built for write-intensive OLTP databases, virtualization logs, and mixed enterprise caching tiers, combining 10 DWPD endurance and 29,000 TBW with 12Gb/s SAS reliability in a compact capacity point that fits high-duty transactional nodes. Compared with typical read-optimized SAS SSDs in the same class, it delivers materially higher sustained write durability while still providing up to 1900/850 MB/s and 200K/80K IOPS, making it a stronger choice where consistent low-latency writes matter more than raw capacity.
With an endurance rating of 29,000 TBW and 10 DWPD, the MTFDJAL1T6MBS-2AN1ZAB is built for extremely write-intensive enterprise workloads, allowing the full drive capacity to be written ten times per day across its warranty period. In typical deployment scenarios, this level of endurance means it can comfortably serve as a high-duty system, cache, or logging drive for many years, with substantial headroom beyond normal operating write volumes. For enterprise reliability, the drive includes Power Loss Protection (PLP), which helps preserve in-flight data and protects metadata integrity during unexpected power interruptions, reducing the risk of corruption and unplanned recovery events. Its UBER rating of 1.0E-17 indicates an extremely low uncorrectable bit error rate, supporting high data integrity expectations in mission-critical storage environments, while the 2.5 million hour MTBF further reflects a design optimized for dependable continuous operation.
1. The dual-port SAS interface provides enterprise-grade availability and seamless integration into existing storage arrays, helping mission-critical systems stay online during controller or path failover events.
2. Its strong sequential read performance accelerates large-block data access, reducing backup, restore, analytics, and media-streaming wait times in throughput-heavy environments.
3. High random-read capability combined with very low typical latency keeps databases, virtual machines, and OLTP applications responsive even under intense mixed-workload pressure.
4. The high endurance rating makes it a strong fit for write-intensive enterprise use cases such as logging, caching, and transactional platforms that rewrite data continuously every day.
5. MLC NAND built on a mature process node offers a balanced mix of performance consistency, durability, and cost efficiency for demanding data center deployments.
Lower-capacity reference: 800GB Higher-capacity reference: 3.2TB In this enterprise SSD family, 1.6TB is the practical sweet spot. Compared with the 800GB model, it gives materially better headroom for data growth, overprovisioning, and mixed workload bursts without forcing early capacity expansion. Compared with the 3.2TB option, it usually delivers a more attractive cost profile while keeping broadly similar sequential throughput and random IOPS for mainstream enterprise use. That makes 1.6TB especially well suited for mid-scale virtualization clusters, such as hosting boot and application volumes for roughly 40 to 60 general-purpose virtual machines.
Q: Is MTFDJAL1T6MBS-2AN1ZAB suitable for a write-heavy database server?
A: Yes. With 10 DWPD endurance, 29,000 TBW, 16nm MLC NAND, and SAS 12Gb/s interface, this 1.6TB SSD is well suited for write-intensive database and enterprise server workloads.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 10 full drive writes per day. For a 1.6TB capacity, that equals about 16TB of writes daily across its defined warranty period.
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, reducing corruption risk and improving reliability in enterprise and transactional environments.
Q: What RAID level is recommended for this SSD?
A: The recommended RAID level depends on your priority. RAID 10 is typically preferred for database workloads, delivering strong write performance, low latency, and redundancy for business-critical applications.