General

Brand	Micron
Model	RealSSD C400
Capacity	512GB
Usage Class	Client

Interface

Host Interface	SATA
Total Interface Bandwidth	6 Gb/s

Physical Dimension

Form Factor	1.8

Flash & Endurance

NAND Flash	25nm MLC
Drive Writes Per Day
Total Bytes Written	72 TBW

Performance

Sequential Read	500 MB/s
Sequential Write	260 MB/s
Random Read IOPS	45000
Random Write IOPS	30000
Average Latency	μs

Reliability

Mean Time Between Failures	1.2 Million Hours
Uncorrectable Bit Error Rate	1.0×10⁻¹⁷
Power Loss Protection	No

Engineer's Note

The MTFDDAA512MAR-1K1AB RealSSD C400 is best suited for read-intensive virtualization boot tiers, enterprise client imaging, and database acceleration where 500 MB/s sequential read and 45,000 IOPS random read deliver a clear responsiveness advantage over typical SATA SSDs in its class. Its 25nm MLC NAND and 72 TBW endurance also make it a stronger fit than entry-level consumer drives for mixed read/write deployment, giving architects a more durable 512GB SATA option for always-on systems with moderate write pressure.

Endurance & Reliability

With an endurance rating of 72 TBW, the MTFDDAA512MAR-1K1AB is well suited for typical light-to-moderate read-centric workloads such as OS boot, application hosting, configuration storage, and general industrial or embedded system use. In practical terms, this equals about 0.39 drive writes per day over the 1-year warranty period, which is generally more than sufficient for use as a system drive and can support many years of stable operation when daily write activity remains modest. For reliability, the drive is specified at 1.2 million hours MTBF and an UBER of 1.0E-15, meaning the expected rate of unrecoverable bit errors is very low and aligned with dependable SSD operation in business systems. This model does not include power-loss protection (PLP), so while it is a solid choice for boot and read-focused applications, systems with frequent unexpected power interruptions or heavy in-flight write protection requirements should pair it with external power safeguarding or consider a PLP-equipped SSD.

Technical Specs & Insights

1. The SATA interface ensures broad compatibility with mainstream enterprise servers and storage arrays, enabling cost-effective SSD upgrades without changing existing backplane infrastructure.
2. Its 500 MB/s sequential read performance accelerates OS boot, file streaming, and backup recovery workflows, helping business systems return to service faster.
3. With 45,000 K IOPS in random reads, the drive can handle metadata lookups, virtualized workloads, and high-concurrency database access with smoother response under pressure.
4. Rated for [dwpd] DWPD, it is built for write-intensive enterprise use, supporting predictable lifespan and lower replacement risk in always-on environments.
5. Built on 25nm MLC NAND with a typical latency of [latency] µs, the drive balances stronger endurance with responsive data access for latency-sensitive business applications.

Capacity Sweet

For MPN MTFDDAA512MAR-1K1AB (512GB), the nearest lower capacity in the same enterprise SSD family is typically 480GB, and the next higher step is 960GB. Across these three capacities, sequential read/write throughput and random IOPS are generally kept in the same enterprise-class range, so capacity positioning matters more than raw speed differences. At 512GB, this model sits in the sweet spot of the series. Compared with 480GB, it gives more headroom for OS growth, logs, patches, and overprovisioning flexibility. Compared with 960GB, it achieves a better balance between acquisition cost, usable capacity, and performance consistency. It is well suited for medium-scale virtualization clusters, such as hosting boot and utility volumes for around 40 to 60 business application instances.

FAQ