General

Brand	Micron
Model	6550 ION
Capacity	61.44TB
Usage Class	Read-Intensive

Interface

Host Interface	PCIe Gen5 NVMe
Total Interface Bandwidth	32 Gb/s

Physical Dimension

Form Factor	U.2 15mm

Flash & Endurance

NAND Flash	G8 3D TLC
Drive Writes Per Day	1
Total Bytes Written	28000 TBW

Performance

Sequential Read	14000 MB/s
Sequential Write	7000 MB/s
Random Read IOPS	2000000
Random Write IOPS	70000
Average Latency	70 μs

Reliability

Mean Time Between Failures	2.5 Million Hours
Uncorrectable Bit Error Rate	1.0×10⁻¹⁷
Power Loss Protection	Yes

Engineer's Note

The Micron 6550 ION 61.44TB (MPN: MTFDLAL61T4THL-1BK1DFCYY) is purpose-built for ultra-dense, read-centric deployments such as AI data lakes, content repositories, and CDN edge caches, combining 61.44TB of G8 3D TLC capacity with PCIe Gen5 NVMe performance up to 14,000 MB/s read and 2,000,000 random read IOPS. Compared with conventional lower-capacity enterprise SSDs in the same server footprint, it enables significantly higher storage consolidation while still delivering 28,000 TBW endurance and enough write performance for mixed ingest-and-serve workloads.

Endurance & Reliability

With an endurance rating of 28,000 TBW and 1 DWPD, this SSD is designed to handle writing its full usable capacity once per day throughout its rated service life, making it well suited for steady enterprise workloads. In typical real-world use, such as operating system, boot, application, logging, and mixed read/write storage duties, this level of endurance provides long-term headroom and can comfortably support many years of dependable operation. For enterprise reliability, built-in Power Loss Protection (PLP) helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and improving recovery integrity. Its UBER of 1.0E-17 indicates an extremely low uncorrectable bit error rate, supporting high data integrity, while the 2.5 million hour MTBF further reflects a platform engineered for continuous, business-critical deployment.

Technical Specs & Insights

1. The PCIe Gen5 NVMe architecture unlocks an ultra-high-bandwidth path that accelerates data-intensive workloads such as AI training, real-time analytics, and large-scale virtualization.
2. Its top-tier sequential read performance shortens dataset loading, backup restore, and content streaming windows, helping servers move massive files with far less wait time.
3. Its exceptional random read capability enables databases, key-value stores, and high-concurrency cloud platforms to sustain heavy transaction volumes with consistently fast access to small data blocks.
4. The enterprise endurance profile is well suited for read-centric and mixed-use deployments, giving operators predictable lifespan and lower replacement risk in always-on environments.
5. Built on advanced 3D TLC NAND with very low typical latency, it balances flash density, efficiency, and responsiveness to improve application QoS and reduce tail-latency bottlenecks in mission-critical systems.

Capacity Sweet

Lower capacity reference: 30.72TB Higher capacity reference: 122.88TB Capacity positioning analysis: Within this SSD family, 61.44TB sits at the sweet spot between density, cost efficiency, and deployment flexibility. Compared with the 30.72TB model, it provides much more headroom for data growth, longer refresh cycles, and better rack-level consolidation without changing the expected enterprise performance profile. Compared with the 122.88TB option, it delivers a more balanced acquisition cost, easier fleet standardization, and lower exposure to overprovisioning unused capacity. It is especially well suited for mid-to-large virtualization clusters, scale-out analytics nodes, or high-density backup cache tiers.

FAQ