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| Brand | Micron |
|---|---|
| Model | M500DC |
| Capacity | 120GB |
| Usage Class | Enterprise |
| Host Interface | SATA 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 1.8" 5mm |
|---|
| NAND Flash | 20nm MLC |
|---|---|
| Drive Writes Per Day | 2.28 |
| Total Bytes Written | 500 TBW |
| Sequential Read | 425 MB/s |
|---|---|
| Sequential Write | 200 MB/s |
| Random Read IOPS | 63000 |
| Random Write IOPS | 23000 |
| 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 120GB (MTFDDAA120MBB-2AE1ZA) is best suited for boot, logging, and metadata tiers in entry enterprise servers and edge appliances, where its 20nm MLC NAND, 2.28 DWPD endurance, and 500TB TBW deliver materially higher write tolerance than typical client-grade SATA SSDs. With up to 63,000/23,000 IOPS and 425/200 MB/s over SATA 6Gb/s, it provides a stronger durability-to-capacity balance for always-on infrastructure than same-class low-capacity drives focused primarily on read-centric workloads.
With an endurance rating of 500 TBW and 2.28 DWPD, the MTFDDAA120MBB-2AE1ZA is designed to handle sustained daily write activity far beyond typical OS, boot, and application-drive workloads. In practical terms, for a system drive or other read-intensive enterprise use, this level of endurance supports many years of reliable operation with ample margin, making 10-year equivalent usage under typical workloads a reasonable expectation. For enterprise reliability, built-in power-loss protection helps preserve in-flight data and metadata during an unexpected power interruption, reducing the risk of corruption and improving system recovery confidence. Its UBER of 1.0E-16 indicates a very low unrecoverable bit error rate, while the 2 million hour MTBF further reflects a design focused on stable, dependable operation in business-critical environments.
1. The SATA 6Gb/s interface ensures broad compatibility with mainstream enterprise servers and storage arrays, making upgrades straightforward in legacy and mixed-infrastructure deployments.
2. With sequential read performance of 425 MB/s, the drive accelerates large-file access such as VM image loading, backup recovery, and log scanning in data center workflows.
3. Delivering 63,000 random read IOPS, it supports highly responsive transaction processing and virtualized workloads where fast access to small data blocks is critical.
4. Built with 20nm MLC NAND and rated for 2.28 DWPD, this SSD provides the endurance and media stability needed for sustained enterprise write activity with predictable lifecycle management.
5. A typical latency of 50 µs helps reduce storage response time, improving application consistency in latency-sensitive environments like databases and real-time analytics.
Lower capacity reference: 60GB Higher capacity reference: 240GB In this SSD family, the 120GB model sits at a practical sweet spot. Compared with the 60GB version, it offers noticeably better headroom for OS images, logs, swap, and application growth, reducing the risk of early capacity pressure in enterprise nodes. Compared with the 240GB version, it preserves essentially the same enterprise-class read/write and random IOPS profile while keeping acquisition cost and stranded capacity under tighter control. It is best suited for small-to-mid-scale deployments, such as boot and service volumes for about 30 to 50 lightweight virtualization hosts or edge servers.
Q: Is MTFDDAA120MBB-2AE1ZA suitable for a write-heavy database server?
A: Yes. With 2.28 DWPD, 500TB TBW, 20nm MLC NAND, and 50µs typical latency, this SSD is well suited for write-intensive database workloads requiring strong endurance and consistent performance.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 2.28 drive writes per day. On a 120GB capacity, that equals about 274GB of writes daily across the specified warranty period under normal operating conditions.
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 sudden power failure, reducing corruption risk and improving data integrity in enterprise or transactional environments.
Q: What RAID level is recommended for this SSD?
A: RAID 1 or RAID 10 is typically recommended for this SSD in business-critical systems, balancing redundancy, performance, and reliability. RAID choice should still depend on workload, capacity, and fault-tolerance requirements.