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| Brand | Micron |
|---|---|
| Model | M500DC |
| Capacity | 480GB |
| Usage Class | Enterprise |
| Host Interface | SATA 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5" 7mm |
|---|
| NAND Flash | 20nm MLC |
|---|---|
| Drive Writes Per Day | 2 |
| Total Bytes Written | 1870 TBW |
| Sequential Read | 425 MB/s |
|---|---|
| Sequential Write | 375 MB/s |
| Random Read IOPS | 63000 |
| Random Write IOPS | 35000 |
| Average Latency | 50 μs |
| Mean Time Between Failures | 2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
The Micron M500DC 480GB (MTFDDAK480MBB) is purpose-built for read-centric virtualization clusters, cloud web tiers, and CDN edge nodes that need enterprise endurance without moving to a higher-cost SAS tier, combining 2 DWPD, 1.87PB TBW, and 20nm MLC NAND for sustained reliability. Compared with typical value SATA SSDs in its class, it delivers a stronger balance of endurance and steady-state responsiveness with up to 425/375 MB/s and 63K/35K IOPS, making it a more dependable choice for mixed read/write server workloads that run continuously.
With an endurance rating of 1,870 TBW and 2 DWPD, the MTFDDAK480MBB is built to handle sustained write activity far beyond typical OS, boot, and general application workloads. In practical terms, for use as a system or infrastructure boot drive, this endurance level supports many years of reliable service under normal enterprise operating conditions. For enterprise reliability, the drive includes power-loss protection (PLP), which helps preserve in-flight data and prevents metadata corruption if power is interrupted unexpectedly. Its UBER specification of 1.0E-16 and 2 million hours MTBF further indicate a high-integrity design aimed at minimizing uncorrectable read errors and supporting dependable long-term operation in business-critical environments.
1. The SATA 6Gb/s interface ensures broad compatibility with existing enterprise server and storage backplanes, making it a low-risk upgrade path for legacy infrastructure refreshes.
2. Its sustained sequential read performance helps accelerate large-file access, reducing backup restore windows and improving data retrieval efficiency for read-heavy business applications.
3. Strong random read capability supports fast response under highly concurrent small-block workloads, which is critical for virtualized environments, OLTP databases, and metadata-intensive platforms.
4. The 2 DWPD endurance rating enables reliable operation under consistently heavy write pressure, giving enterprises confidence in mixed-workload deployments that demand predictable lifespan.
5. Built with 20nm MLC NAND and featuring very low typical latency, the drive balances durability, data integrity, and fast access times for latency-sensitive enterprise applications.
Lower capacity: 240GB Higher capacity: 960GB In this product family, 480GB is the practical sweet spot. Compared with the 240GB option, it gives noticeably more headroom for OS growth, logs, metadata, and application updates, reducing the risk of early capacity pressure in always-on enterprise environments. Compared with the 960GB model, it usually delivers a better cost-to-capacity balance while maintaining broadly similar enterprise-class sequential throughput and random IOPS behavior. This makes 480GB especially well suited for small-to-midsize virtualization clusters, such as boot and utility storage for about 30 to 50 mixed-workload virtual machines.
Q: Is MTFDDAK480MBB suitable for a write-heavy database server?
A: Yes. With 2 DWPD endurance, 1870 TBW, 20nm MLC NAND, and 50 µs typical latency, MTFDDAK480MBB is well suited for write-intensive database and enterprise server workloads.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 2 full drive writes per day (2 DWPD) over its warranty period. For a 480GB SSD, that equals about 960GB of writes per day.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes power loss protection. PLP helps preserve in-flight data and metadata during unexpected outages, reducing corruption risk and improving reliability in enterprise and transactional environments.
Q: What RAID level is recommended for this SSD?
A: The recommended RAID level depends on your priority. RAID 1 or RAID 10 is preferred for database workloads requiring strong redundancy and performance, while RAID 5 suits balanced capacity-focused deployments.