General

Brand	Micron
Model	P400m
Capacity	100GB
Usage Class	Enterprise

Interface

Host Interface	SATA 6Gb/s
Total Interface Bandwidth	6 Gb/s

Physical Dimension

Form Factor	2.5" 7mm

Flash & Endurance

NAND Flash	2D MLC
Drive Writes Per Day	10
Total Bytes Written	1750 TBW

Performance

Sequential Read	380 MB/s
Sequential Write	200 MB/s
Random Read IOPS	52000
Random Write IOPS	21000
Average Latency	570 μs

Reliability

Mean Time Between Failures	2 Million Hours
Uncorrectable Bit Error Rate	1.0×10⁻¹⁷
Power Loss Protection	Yes

Engineer's Note

The Micron P400m 100GB (MTFDDAK100MAN-1S1AA) is best suited for write-intensive boot, logging, and metadata tiers in enterprise servers, where its 10 DWPD endurance, 1,750TB TBW, and 2D MLC NAND deliver significantly stronger sustained reliability than typical read-optimized SATA SSDs. With 52,000/21,000 random IOPS and 380/200 MB/s performance on a SATA 6Gb/s interface, it offers a balanced low-latency profile for cache journals, hypervisor boot volumes, and small-capacity transactional workloads that need enterprise endurance rather than maximum capacity.

Endurance & Reliability

With an endurance rating of 1,750 TBW and 10 DWPD, the MTFDDAK100MAN-1S1AA is built for sustained write-intensive operation and can comfortably handle typical enterprise system-disk, boot, logging, or edge workloads over its intended service life. In practical terms, for normal OS and application usage, this level of endurance means buyers can expect many years of worry-free operation without write wear being a limiting factor. On the reliability side, built-in Power Loss Protection (PLP) helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and unplanned recovery events. Its enterprise-grade UBER of 1.0E-16, together with a 2 million hour MTBF, indicates a very low rate of unrecoverable read errors and strong long-term operational dependability for business-critical environments.

Technical Specs & Insights

1. The SATA 6Gb/s interface provides broad compatibility with legacy enterprise backplanes and servers, making it a low-risk upgrade path for storage refresh projects.
2. With sequential reads up to 380 MB/s, this drive accelerates large-file access such as system image loading, log replay, and backup restore operations in read-focused environments.
3. Delivering 52,000 random-read IOPS, it helps databases and virtualization clusters respond faster under highly fragmented, transaction-heavy workloads.
4. Rated for 10 DWPD and built on 2D MLC NAND, it is engineered for sustained write-intensive use cases where predictable endurance and long service life matter more than peak capacity efficiency.
5. A typical latency of 570 µs supports more consistent application response times, which is critical for enterprise workloads that depend on predictable QoS rather than occasional burst speed.

Capacity Sweet

Lower capacity reference: 50GB Higher capacity reference: 200GB In this series, the 100GB model sits at the practical sweet spot. Compared with the 50GB version, it provides much better headroom for OS images, logs, metadata, and short-term workload growth, reducing the risk of early capacity pressure. Compared with the 200GB model, it preserves essentially the same enterprise-class read/write and random IOPS profile while offering a more attractive cost point and better budget efficiency. This makes 100GB especially well suited for small to mid-sized virtualization clusters, such as hosting boot and utility volumes for around 40 to 60 infrastructure-focused virtual machines.

FAQ