General

Brand	Micron
Model	M500DC
Capacity	800GB
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	20nm MLC
Drive Writes Per Day	2.5
Total Bytes Written	3650 TBW

Performance

Sequential Read	425 MB/s
Sequential Write	375 MB/s
Random Read IOPS	65000
Random Write IOPS	24000
Average Latency	50 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 M500DC 800GB (MTFDDAK800MBB) is best suited for write-intensive virtualization, OLTP database logs, and metadata-heavy infrastructure where its 2.5 DWPD rating and 3,650 TBW deliver materially stronger endurance than typical read-optimized SATA SSDs in the same class. With 20nm MLC NAND and balanced enterprise performance of 425/375 MB/s plus 65K/24K IOPS, it offers a more durable and predictable choice for always-on datacenter deployments that need higher sustained write reliability without moving to a higher-cost interface tier.

Endurance & Reliability

With an endurance rating of 3,650 TBW, the MTFDDAK800MBB can sustain about 3.65 petabytes of total writes, which is far beyond the write volume of typical boot, OS, and general server workloads. Its 2.5 DWPD rating also indicates strong enterprise-class write endurance, giving procurement teams confidence that the drive can handle sustained daily use over a long operating life. For reliability, built-in power-loss protection helps preserve in-flight data and critical metadata during an unexpected power interruption, reducing the risk of corruption and unplanned recovery events. An UBER of 1.0E-16 means an extremely low rate of unrecoverable read errors, and together with the 2 million-hour MTBF, it supports dependable operation in enterprise environments.

Technical Specs & Insights

1. The SATA 6Gb/s interface enables straightforward drop-in deployment across mainstream enterprise servers and storage arrays, minimizing upgrade friction and ensuring broad platform compatibility.
2. Its sustained throughput supports faster bulk data movement, helping accelerate backup, imaging, log processing, and large-file retrieval in business-critical environments.
3. Strong small-block read performance improves virtualization density and database responsiveness by handling high volumes of concurrent access with less application slowdown.
4. With an enterprise-grade write endurance profile, this drive is well suited for write-intensive workloads such as OLTP, caching, and mixed-use server applications that demand predictable lifespan.
5. Built on 20nm MLC NAND with typical latency around 50 µs, it delivers a balanced mix of durability, consistent QoS, and quick response time for latency-sensitive enterprise operations.

Capacity Sweet

Lower-capacity reference: 400GB Higher-capacity reference: 1.6TB Within this SSD family, the 800GB model sits in the sweet spot. Compared with the 400GB version, it provides much better headroom for OS, application, log, and overprovisioning needs, reducing capacity pressure as workloads grow. Compared with the 1.6TB option, it typically delivers a more attractive cost-to-performance balance while keeping the same enterprise-class sequential throughput and random IOPS profile. In practice, 800GB is well suited for mid-scale deployments, such as a 4-node virtualization cluster supporting roughly 40 to 60 mixed business workloads with comfortable storage margin.

FAQ