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| Brand | Micron |
|---|---|
| Model | M550 |
| Capacity | 512GB |
| Usage Class | Client |
| Host Interface | SATA 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5" 7mm |
|---|
| NAND Flash | 2D MLC |
|---|---|
| Drive Writes Per Day | |
| Total Bytes Written | 72 TBW |
| Sequential Read | 550 MB/s |
|---|---|
| Sequential Write | 500 MB/s |
| Random Read IOPS | 95000 |
| Random Write IOPS | 85000 |
| Average Latency | μs |
| Mean Time Between Failures | 1.5 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
The MTFDDAK512MAY-1AE1ZABHA (M550 512GB) is best suited for read-intensive boot, caching, and edge content-delivery workloads that need dependable SATA performance, combining 550/500 MB/s sequential speeds with up to 95,000/85,000 IOPS in a proven 2D MLC architecture. Compared with typical same-class client SATA SSDs, its 2D MLC NAND and 72 TBW endurance deliver stronger write resilience and more predictable long-term latency for always-on embedded and light mixed-workload deployments.
With an endurance rating of 72 TBW, the MTFDDAK512MAY-1AE1ZABHA can sustain 72 terabytes of total host writes over its service life, which is more than sufficient for typical OS boot, application loading, configuration, and light business data logging workloads. In practical terms, for a system-drive use case writing around 20 GB per day, this equates to roughly 10 years of operation before reaching the rated write endurance. For enterprise reliability, built-in power-loss protection (PLP) helps preserve in-flight data and critical metadata during unexpected power interruption, reducing the risk of corruption and improving recovery confidence. Its specified UBER of 1.0E-15 means the drive is designed for a very low uncorrectable bit error rate, supporting dependable data integrity for professional and embedded storage deployments.
1. The SATA 6Gb/s interface, paired with 550 MB/s sequential read performance, enables fast drop-in upgrades for legacy enterprise platforms while accelerating boot, restore, and bulk data access tasks.
2. With 95,000 K IOPS in random reads, the drive can sustain highly responsive access to small-block data, making it well suited for virtualization, OLTP, and metadata-heavy workloads.
3. A durability rating of [dwpd] DWPD supports predictable write endurance for always-on business applications, helping reduce replacement risk in write-intensive deployment cycles.
4. Built on 2D MLC NAND, this SSD prioritizes data reliability, write consistency, and endurance over low-cost flash designs, aligning well with enterprise storage requirements.
5. A typical latency of [latency] µs helps minimize application response delays, improving QoS stability for transactional systems and mixed-workload server environments.
Reference capacities in the same series: Lower capacity: 256GB Higher capacity: 1TB Capacity positioning analysis: The 512GB model sits at the sweet spot of this enterprise SSD family. Compared with the 256GB option, it gives noticeably better headroom for OS images, logs, patches, and application growth, reducing the risk of early capacity pressure. Compared with the 1TB model, it typically delivers the best balance between acquisition cost, usable space, and enterprise-grade performance consistency. This makes 512GB especially suitable for mid-scale deployments, such as boot and application drives for about 40 to 60 virtualization hosts or a compact private cloud cluster.
Q: Q1: Is MTFDDAK512MAY-1AE1ZABHA suitable for a write-heavy database server?
A: It is generally not ideal for a write-heavy database server. Although it uses 2D MLC and includes PLP, the 72TB TBW rating suggests it is better suited to read-intensive or mixed workloads.
Q: Q2: How many full drive writes per day can it actually endure over its warranty period?
A: With 72TB TBW and 512GB capacity, the drive supports about 140 full-drive writes total. DWPD depends on warranty length: approximately 0.13 DWPD over 3 years, or 0.08 DWPD over 5 years.
Q: Q3: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes power loss protection. PLP is critical because it helps preserve in-flight data and mapping tables during sudden outages, reducing corruption risk and improving data integrity in enterprise environments.
Q: Q4: What RAID level is recommended for this SSD?
A: For enterprise use, RAID 10 is typically recommended for the best balance of performance, redundancy, and rebuild reliability. RAID 1 is also suitable for smaller deployments, while RAID 5 is less ideal for heavy writes.