NVMe Drives in the OpenMetal XXL v4 Server

Q: What NVMe drives does OpenMetal use in the XXL v4 bare metal server?

The OpenMetal XXL v4 includes six Micron 7500 MAX 6400GB NVMe SSDs as data drives, delivering 38.4TB of raw NVMe storage.

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The Micron 7500 MAX uses 232-layer 3D TLC NAND with a 6-plane architecture and independent wordline read (iWL) for consistent tail latency under mixed workloads. Each drive delivers 7,000 MB/s sequential read, 5,900 MB/s sequential write, 1,100,000 random read IOPS, and 400,000 random write IOPS at the 6400GB capacity point. Endurance is rated at 35,040 TBW — 3 drive writes per day over a five-year warranty.

Across six drives in parallel, the array delivers approximately 42,000 MB/s combined sequential read throughput. Sub-millisecond latency at 99.9999% (six nines) for 4KB random reads at queue depth 128 is relevant for database transaction logs and write-ahead logs where tail latency directly affects application throughput.

The XXL v4 separates boot and data storage at the hardware level. The six NVMe data drives are physically isolated from the two 960GB RAID 1 boot drives and persist across OS reinstalls and server reboots — a standard architecture on all OpenMetal bare metal servers.