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| Brand | Micron |
|---|---|
| Model | RealSSD C400 |
| Capacity | 256GB |
| Usage Class | Client |
| Host Interface | SATA 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5" 9.5mm |
|---|
| NAND Flash | 25nm MLC |
|---|---|
| Drive Writes Per Day | |
| Total Bytes Written | 72 TBW |
| Sequential Read | 415 MB/s |
|---|---|
| Sequential Write | 260 MB/s |
| Random Read IOPS | 40000 |
| Random Write IOPS | 50000 |
| Average Latency | 55 μs |
| Mean Time Between Failures | 1.2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | No |
The Micron RealSSD C400 MTFDDAC256MAM-1K1 is a strong fit for read-intensive boot, VDI, and application-cache tiers, combining SATA 6Gb/s throughput up to 415/260 MB/s with 40,000/50,000 IOPS to deliver noticeably lower latency than mechanical or earlier SATA SSD deployments. Its 25nm MLC NAND and 72 TBW endurance give this 256GB model a balanced value profile for enterprise client and light server workloads where consistent random-write responsiveness matters more than overprovisioning for heavy write-duty cycles.
With a rated endurance of 72 TBW, the MTFDDAC256MAM-1K1 can support typical OS, boot, application, and light-to-moderate daily write workloads for many years, making it well suited as a stable system drive in industrial or embedded deployments. In practical terms, this equals approximately [dwpd] drive writes per day over the warranty period, which is generally more than sufficient for read-focused and mixed-use applications that do not generate heavy continuous write traffic. From a reliability perspective, the specified UBER of 1.0E-15 indicates a very low unrecoverable bit error rate, helping ensure dependable data integrity during normal operation and supporting consistent long-term performance. This model does not include power-loss protection (PLP), so while it remains a reliable choice for standard systems with controlled shutdown behavior or external power safeguards, PLP-sensitive applications with frequent sudden power interruptions should consider that requirement at the system level.
1. The SATA 6Gb/s interface, combined with strong sequential read throughput, speeds up OS boot, VM image loading, and bulk data access in enterprise servers that need dependable performance on existing SATA infrastructure.
2. The sequential read capability of 415 MB/s helps shorten backup restores, patch deployment, and large-file retrieval, improving productivity for read-heavy business applications.
3. With 40,000 random-read IOPS, the drive can keep transactional databases, VDI environments, and metadata-intensive workloads responsive even under concurrent user access.
4. Its enterprise-rated DWPD endurance is designed for sustained daily writes, helping IT teams reduce replacement cycles and maintain predictable lifespan in 24/7 data center operation.
5. Built with 25nm MLC NAND and a typical latency of 55 µs, the drive delivers a balanced mix of data integrity, consistent responsiveness, and lower tail-latency for latency-sensitive enterprise workloads.
For MPN MTFDDAC256MAM-1K1, the nearest lower capacity in the same series is 128GB, and the nearest higher capacity is 512GB. In this family, sequential read/write behavior and random IOPS are typically kept broadly similar across capacities, following normal enterprise SSD positioning. The 256GB model is the sweet spot in this series. Compared with the 128GB version, it offers much better space headroom for OS images, logs, metadata, and application growth, reducing early capacity pressure. Compared with the 512GB option, it usually delivers the best balance of cost efficiency and enterprise-class performance consistency without overprovisioning budget. It is well suited for medium-scale deployments, such as boot and infrastructure storage for around 40 to 60 virtualized application nodes or a compact database cluster.
Q: Is MTFDDAC256MAM-1K1 suitable for a write-heavy database server?
A: Not ideally. This 256GB SATA SSD uses 25nm MLC NAND and offers 72TB TBW, making it better suited for read-intensive or mixed workloads rather than sustained write-heavy database applications.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: Based on 72TB TBW and 256GB capacity, it supports about 281 full drive writes total, or roughly 0.15 DWPD over a typical 5-year warranty period.
Q: Does it include power loss protection (PLP) and why is that critical?
A: No, it does not include power loss protection. PLP is critical in enterprise environments because it helps prevent in-flight data loss and metadata corruption during unexpected power failures.
Q: What RAID level is recommended for this SSD?
A: RAID 1 or RAID 10 is generally recommended, depending on capacity and performance needs. These levels provide redundancy and better fault tolerance, which is especially important since PLP is not available.