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| Brand | Micron |
|---|---|
| Model | RealSSD C400 |
| Capacity | 512GB |
| 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 | 144 TBW |
| Sequential Read | 500 MB/s |
|---|---|
| Sequential Write | 260 MB/s |
| Random Read IOPS | 45000 |
| 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 512GB (MTFDDAC512MAM-1K1) is best suited for read-intensive virtual desktop, OS boot, and application-cache tiers that need SATA 6Gb/s compatibility together with strong mixed-I/O responsiveness, delivering up to 500 MB/s sequential read and 45,000/50,000 IOPS random read/write from 25nm MLC NAND. Compared with typical same-class SATA SSDs focused mainly on headline throughput, this model stands out by pairing a solid 144 TB endurance rating with unusually high random-write performance for its generation, making it a more balanced choice for steady client and light-enterprise duty cycles.
With an endurance rating of 144 TBW, the MTFDDAC512MAM-1K1 can support about 40 GB of host writes per day for 10 years, which is more than sufficient for typical OS, office, and general business system-drive workloads. In practical terms, for boot, application, and light-to-moderate read/write use, this level of endurance provides a comfortable margin for long-term deployment. From a reliability perspective, the drive is rated at 1.2 million hours MTBF and an UBER of 1.0E-15, meaning the expected unrecoverable bit error rate is tightly controlled and aligned with dependable data-read performance in normal enterprise operation. This model does not include power-loss protection (PLP), so it is best suited for applications where sudden power-fail write protection is not a primary requirement, while still offering solid reliability for stable-power environments and mainstream business use.
1. The SATA 6Gb/s interface provides drop-in compatibility with mainstream enterprise servers and storage arrays, enabling cost-efficient upgrades without changing the existing backplane or software stack.
2. With 500 MB/s sequential read performance, this drive accelerates boot storms, dataset loading, and large-file retrieval in virtualized and read-centric enterprise workloads.
3. Its 45,000 K IOPS random read capability, paired with a typical latency of 55 µs, helps databases and VDI environments respond faster under fragmented, high-concurrency access patterns.
4. Rated for [dwpd] DWPD, the SSD is built to sustain predictable write pressure in always-on business applications, reducing replacement risk across its service life.
5. Built on 25nm MLC NAND, it offers a stronger balance of endurance, data integrity, and cost efficiency than consumer-grade flash for long-cycle enterprise deployments.
Lower-capacity reference: 256GB Higher-capacity reference: 1TB At 512GB, this SSD sits at the sweet spot of the family. Compared with the 256GB model, it offers much better headroom for OS images, application growth, logs, and overprovisioning, reducing the risk of early capacity pressure in always-on enterprise workloads. Compared with the 1TB version, it delivers nearly the same enterprise-class sequential and random performance while keeping acquisition cost and fleet-wide budget under tighter control. In practice, 512GB is a strong fit for a mid-sized virtualization cluster, such as hosting boot and utility volumes for about 40 to 60 virtual machines.
Q: Is MTFDDAC512MAM-1K1 suitable for a write-heavy database server?
A: MTFDDAC512MAM-1K1 is generally not recommended for write-heavy database workloads. Its 144TB TBW, 25nm MLC NAND, SATA interface, and lack of PLP make it better suited to read-focused or mixed-use applications.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: Based on 512GB capacity and 144TB TBW, the drive supports about 281 full-drive writes total. Assuming a 5-year warranty, that equals roughly 0.15 drive writes per day.
Q: Does it include power loss protection (PLP) and why is that critical?
A: No, this model does not include power loss protection. PLP is critical because it helps prevent in-flight data loss and metadata corruption during sudden power failures, especially in transactional systems.
Q: What RAID level is recommended for this SSD?
A: For business-critical use, RAID 10 is typically the best choice, offering strong performance and redundancy. If capacity efficiency matters more than write performance, RAID 1 or RAID 5 may also be considered.