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| Brand | Micron |
|---|---|
| Model | 5100 ECO |
| Capacity | 7.68TB |
| Usage Class | Enterprise |
| Host Interface | SATA 6Gb/s |
|---|---|
| Total Interface Bandwidth | 6 Gb/s |
| Form Factor | 2.5" 7mm |
|---|
| NAND Flash | 3D eTLC |
|---|---|
| Drive Writes Per Day | 1 |
| Total Bytes Written | 8400 TBW |
| Sequential Read | 540 MB/s |
|---|---|
| Sequential Write | 520 MB/s |
| Random Read IOPS | 93000 |
| Random Write IOPS | 11000 |
| Average Latency | μs |
| Mean Time Between Failures | 3 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
The Micron 5100 ECO 7.68TB (MTFDDAK7T6TBY-1AR1ZABYY) is purpose-built for high-capacity, read-centric infrastructure such as CDN edge caches, scale-out object storage, and virtualized cloud platforms that need SATA compatibility with enterprise-class endurance. Compared with typical capacity-focused SATA SSDs in its class, it pairs 3D eTLC reliability and 1 DWPD / 8400 TBW durability with strong sequential throughput up to 540/520 MB/s, making it a better fit for dense deployments that must maximize usable flash per bay without sacrificing sustained service life.
With an endurance rating of 8,400 TBW and 1 DWPD, the MTFDDAK7T6TBY-1AR1ZABYY is designed to handle consistent daily writes across its warranty period and is well suited for typical enterprise server and storage workloads. In practical terms, for OS boot, application, and general business data workloads, this level of endurance provides a strong margin for long-term use and can comfortably support a system-drive role for many years under normal operating conditions. Its enterprise-class reliability is further strengthened by power-loss protection, which helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and unplanned recovery events. In addition, the UBER of 1.0E-17 indicates an extremely low unrecoverable bit error rate, supporting high data integrity in read-intensive environments, while the 3 million hour MTBF reflects a design focused on dependable continuous operation.
1. The SATA 6Gb/s interface ensures broad compatibility with mainstream enterprise backplanes and legacy server platforms, making it a low-risk upgrade path for storage refresh projects.
2. Its sequential read performance accelerates boot volumes, image distribution, and backup retrieval, helping data center teams shorten maintenance windows and improve system responsiveness.
3. Strong random read capability supports latency-sensitive workloads such as virtual desktop infrastructure, OLTP databases, and high-concurrency metadata access with smoother user experience under heavy queue depths.
4. A 1 DWPD endurance rating makes it well suited for read-centric enterprise deployments that still require predictable write reliability over the service life of the drive.
5. Built with 3D eTLC NAND, the drive balances enterprise-grade endurance, data retention, and cost efficiency, making it a practical choice for large-scale cloud and server storage fleets.
In this product family, the next lower capacity is 3.84TB and the next higher capacity is 15.36TB. The 7.68TB model sits at the series sweet spot: compared with 3.84TB, it gives materially more headroom for VM growth, log expansion, and overprovisioning flexibility without changing the expected enterprise read/write or random IOPS profile. Compared with 15.36TB, it delivers a more balanced acquisition cost, power efficiency, and usable performance per dollar. It is especially well suited to a 12- to 16-node virtualization cluster supporting roughly 180 to 250 general-purpose VMs.
Q: Is MTFDDAK7T6TBY-1AR1ZABYY suitable for a write-heavy database server?
A: This 7.68TB SATA SSD is best suited for mixed-use or moderately write-intensive database workloads. With 1 DWPD, 3D eTLC NAND, and PLP, it offers solid reliability, though extremely write-heavy environments may require higher-endurance models.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: Based on 7.68TB capacity and 8400TB TBW, the drive supports about one full drive write per day across a typical 3-year warranty period, which aligns with its 1 DWPD endurance rating.
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 power interruptions, reducing corruption risk and improving data integrity in enterprise and database applications.
Q: What RAID level is recommended for this SSD?
A: For database or virtualization workloads, RAID 10 is typically recommended because it balances performance, redundancy, and rebuild reliability. If capacity efficiency matters more than write performance, RAID 5 or RAID 6 may also be considered.