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Rectangular E3.S enterprise SSD with gold edge connector and black controller board

Micron

Micron 9550 PRO 3.75 TB E3.S NVMe enterprise SSD

SKU CH-F0QS-TRQ5M

Enterprise E3.S SSD delivering 14 GB/s read and 10 GB/s write over PCIe NVMe 5.0 for data-centre workloads

  • 75 TB capacity supports large data sets
  • 14 GB/s sequential read accelerates AI workloads
  • 10 GB/s sequential write handles high-frequency trading
  • PCIe NVMe 5.0 interface enables Gen5 performance
  • OCP 2.0 and 2.5 support simplifies data-center management

Data-Center NVMe 5.0 SSD

The Micron 9550 PRO is a 3.75 TB enterprise solid-state drive built for internal server deployment. It targets operators running AI training, high-frequency trading, OLTP databases and caching layers that demand sustained throughput. The E3.S form factor fits compatible hot-plug bays in modern rack platforms. This drive is not for buyers who need a desktop M.2 or U.2 form factor.

PCIe Gen5 Interface Limits

The drive connects through a PCI Express NVMe 5.0 x4 link, capping theoretical bandwidth at the Gen5 electrical specification. Real-world throughput will depend on the host controller, backplane topology and thermal headroom available in the chassis. Systems limited to PCIe 4.0 or 3.0 slots cannot utilise the rated sequential speeds. Buyers with older-generation backplanes will not reach the published performance ceiling.

3.75 TB Capacity Decision

Usable capacity is 3.75 TB, positioned between the 3.84 TB marketing label and lower-density SKUs in the same series. That single figure determines whether the drive satisfies a given density or cost-per-terabyte target. Workloads requiring larger single-drive footprints must look to higher-capacity models in the 9550 family.

Sequential Speed Benchmark

Maximum sequential read reaches 14 GB/s while maximum sequential write reaches 10 GB/s under optimal conditions. These figures represent controller-level ceilings measured with ideal queue depths and workloads. Sustained rates in production will vary with thermal throttling, namespace configuration and host software stack efficiency. The numbers are reference points, not guaranteed minimums for every deployment.

Highlights

  • 75 TB capacity supports large data sets
  • 14 GB/s sequential read accelerates AI workloads
  • 10 GB/s sequential write handles high-frequency trading
  • PCIe NVMe 5.0 interface enables Gen5 performance
  • OCP 2.0 and 2.5 support simplifies data-center management

Specifications

No published specifications for this item yet.

Questions about this item

Should I choose the 3.75 TB or the 3.84 TB capacity listed in the title?

The usable capacity is 3.75 TB; the 3.84 TB figure represents the raw NAND capacity before formatting and over-provisioning.

What does the 14 GB/s sequential read mean for my database server?

It allows the 9550 to feed large OLTP or analytics workloads with sustained throughput, reducing queue depth and latency during heavy read scans.

Does the PCIe 5.0 x4 interface limit real-world speed?

The drive is built for PCIe 5.0 x4, so the 14 GB/s read and 10 GB/s write figures are achievable when the host slot and CPU also support Gen 5.0.

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