NVMe Drives in the OpenMetal Medium v4

The Medium v4 ships with one 6.4 TB Micron 7500 MAX NVMe SSD connected via PCIe Gen4 x4 (NVMe v2.0b), using Micron’s 232-layer 3D TLC NAND with 6-plane architecture and independent wordline read.

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The Micron 7500 MAX delivers 7,000 MB/s sequential read, 5,900 MB/s sequential write, 1.1 million random read IOPS, and 400,000 random write IOPS. Typical read latency is 70 microseconds, with sub-1ms QoS guaranteed at 99.9999% (six nines) for 4 KB random reads up to queue depth 128. The drive is rated for 3 drive writes per day (35,040 TB total bytes written) with a 5-year warranty and 2 million hour MTTF.

OpenMetal isolates the data NVMe from OS operations using two dedicated 960 GB boot SSDs in RAID 1. System logging, package management, and monitoring I/O stay on the boot tier, keeping the full performance of the Micron 7500 MAX available for application workloads, database WAL writes, and container storage.

The Medium v4 chassis supports up to 6 total drives. With 2 boot drives and 1 data drive installed, 3 open bays are available for additional Micron 7500 MAX NVMe drives, scaling data capacity to approximately 25.6 TB.