General

Brand	Micron
Model	2650
Capacity	256GB
Usage Class	Client

Interface

Host Interface	PCIe Gen4 NVMe
Total Interface Bandwidth	16 Gb/s

Physical Dimension

Form Factor	M.2 2230

Flash & Endurance

NAND Flash	3D TLC
Drive Writes Per Day	0.43
Total Bytes Written	200 TBW

Performance

Sequential Read	5000 MB/s
Sequential Write	2500 MB/s
Random Read IOPS	370000
Random Write IOPS	50000
Average Latency	50 μs

Reliability

Mean Time Between Failures	2 Million Hours
Uncorrectable Bit Error Rate	1.0×10⁻¹⁷
Power Loss Protection	No

Engineer's Note

The Micron 2650 256GB (MTFDKBK256TGW-1BP15ABYY) is optimized for read-centric edge and cloud infrastructure workloads such as OS boot drives, hypervisor images, CDN metadata, and content-cache tiers, where its PCIe Gen4 performance delivers up to 5000 MB/s read throughput and 370K random read IOPS in a compact, low-capacity footprint. Compared with typical entry NVMe SSDs in this capacity class, its 3D TLC NAND and 200 TBW endurance provide a stronger balance of responsiveness, flash longevity, and deployment efficiency for fleet-scale nodes that need fast reads without overprovisioning capacity.

Endurance & Reliability

With an endurance rating of 200 TBW, the MTFDKBK256TGW-1BP15ABYY is well suited to typical OS and application-drive workloads, where daily host writes are usually far below its 0.43 DWPD limit. From an endurance perspective, even a 50 GB/day system-disk workload would translate to roughly 10+ years of use before reaching the TBW threshold, giving procurement confidence for long-term deployment in write-light to write-moderate scenarios. In reliability terms, the 1.0E-15 UBER indicates a very low unrecoverable bit error rate, helping ensure strong read-data integrity over the drive’s service life, while the 2 million hour MTBF further supports dependable operation in volume deployments. This model does not include power-loss protection, so it is best matched to systems with stable power or UPS coverage rather than applications that require preservation of in-flight writes during sudden outages.

Technical Specs & Insights

1. The PCIe Gen4 NVMe interface provides a high-bandwidth, low-overhead data path that helps enterprise servers reduce storage bottlenecks in virtualization, analytics, and AI inference environments.
2. Its strong sequential read capability speeds up large-file access, cutting wait time for database scans, backup restores, media streaming, and model loading.
3. The high random read performance enables fast response under heavily concurrent small-block workloads, making it well suited for OLTP databases, VDI boot storms, and metadata-intensive applications.
4. Built with 3D TLC NAND and a read-optimized endurance profile, it delivers a cost-effective balance of capacity, efficiency, and service life for content repositories, cloud boot volumes, and read-centric storage tiers.
5. The typical latency in the tens-of-microseconds range supports consistently quick I/O completion, helping latency-sensitive enterprise applications maintain smoother user response and tighter QoS.

Capacity Sweet

Lower capacity reference: 128GB Higher capacity reference: 512GB In this enterprise SSD family, 256GB is the sweet-spot capacity. Compared with the 128GB model, it gives meaningfully better headroom for OS images, logs, metadata, and short-term workload growth, reducing the risk of early capacity pressure. Compared with the 512GB option, it usually delivers nearly the same enterprise-class sequential throughput and random IOPS while keeping acquisition cost and stranded capacity under tighter control. It is best suited for small-to-mid virtualization clusters, such as boot and infrastructure storage for about 30 to 50 light or mixed-workload virtual machines.

FAQ