| Brand | Micron |
|---|---|
| Model | RealSSD P400e |
| Capacity | 200GB |
| Usage Class | Enterprise |
| 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 | 175 TBW |
| Sequential Read | 350 MB/s |
|---|---|
| Sequential Write | 140 MB/s |
| Random Read IOPS | 50000 |
| Random Write IOPS | 7500 |
| Average Latency | μs |
| Mean Time Between Failures | 1.2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | No |
The Micron RealSSD P400e 200GB is best suited for read-centric edge caching, boot-from-SAN, and embedded server logging workloads where 2D MLC durability and 175 TBW matter more than headline throughput. Compared with typical value SATA SSDs in its class, it delivers a more dependable endurance profile and stronger 4K read responsiveness at 50,000 IOPS, making it a safer choice for always-on infrastructure with predictable mixed-light write pressure.
With an endurance rating of 175 TBW, the MTFDDAK200MAR-1K1AA is well suited for typical read-centric and mixed office or embedded workloads, where daily write volumes are usually modest. In practical terms, when used as an OS boot drive or application/system disk under normal enterprise client usage, this level of endurance can comfortably support many years of service without concern about write wear. From a reliability perspective, the drive is rated at 1.2 million hours MTBF and an UBER of 1.0E-15, meaning it is designed for stable long-term operation and a very low probability of unrecoverable bit errors during data reads. While this model does not include power-loss protection, which is mainly important for safeguarding in-flight write data during sudden outages, it remains a dependable choice for applications with controlled shutdown procedures or system-level power backup.
1. The SATA 6Gb/s interface provides broad compatibility with existing enterprise backplanes and controllers, enabling low-risk storage upgrades in legacy server and appliance deployments.
2. With 350 MB/s sequential read performance, the drive can accelerate boot images, log scans, and large-file retrieval in read-centric enterprise workflows.
3. Its 50,000 K IOPS random-read capability helps sustain responsive metadata access, virtualized application start-up, and high-concurrency OLTP-style workloads.
4. Rated at [dwpd] DWPD and built on 2D MLC NAND, the drive is positioned for dependable operation in environments that demand stronger write endurance and data retention than TLC-based alternatives.
5. A typical latency of [latency] µs supports faster transaction acknowledgement and more predictable QoS for latency-sensitive business applications.
Lower-capacity reference: 100GB Higher-capacity reference: 400GB In this Micron enterprise SSD family, the 200GB model sits at the practical sweet spot. Compared with the 100GB version, it provides materially better capacity headroom for OS images, logs, swap, and application growth, reducing early refresh pressure. Compared with the 400GB option, it preserves nearly the same enterprise-class sequential and random performance characteristics while offering a more budget-efficient acquisition point. This makes 200GB especially well suited for mid-scale infrastructure, such as a 12- to 16-node virtualization cluster or a compact mixed-workload database and boot-storage pool.
Q: Is MTFDDAK200MAR-1K1AA suitable for a write-heavy database server?
A: Not ideally. With 175 TBW, 2D MLC NAND, and no power loss protection, this 200GB SATA SSD is better suited for read-intensive or mixed workloads than sustained write-heavy database environments.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: Based on 175 TBW and 200GB capacity, it supports about 875 full-drive writes total. Assuming a 5-year warranty, that equals roughly 0.48 drive writes per day.
Q: Does it include power loss protection (PLP) and why is that critical?
A: No, it does not include PLP. This matters because PLP helps protect in-flight data and mapping tables during sudden power loss, reducing corruption risk in enterprise or transactional workloads.
Q: What RAID level is recommended for this SSD?
A: RAID 1 or RAID 10 is generally recommended for better redundancy and performance balance. For capacity-focused deployments, RAID 5 may work, but write-sensitive applications should prefer RAID 10.