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Silver 4U rackmount chassis with thirty-six front drive bays and dual ten-gigabit ports

ASRock Rack

ASRock Rack 4U36L6E-MILAN2/2T barebone server 36-bay dual SP3 10GbE

SKU CH-Y9JZ-G9K6K MPN 4U36L6E-MILAN2/2T

4U storage barebone with 36 hot-swap bays, dual SP3 sockets for EPYC 7002/7003 processors and dual 10GbE

  • WorkloadStorage Server
  • CPU TypeAMD EPYC 7003/7002 Series
  • CPU SocketDual Socket SP3
  • Dual SP3 sockets support AMD EPYC 7003 and 7002 series processors
  • 36 hot-swap drive bays provide massive storage capacity in 4U
  • Dual 10GbE RJ45 ports deliver high-speed network connectivity
  • 1+1 redundant 1200W platinum power supplies ensure uptime
  • IPMI remote management enables out-of-band server control

36-bay dual-SP3 storage server

The ASRock Rack 4U36L6E-MILAN2/2T is a 4U barebone chassis built for high-density storage workloads. It accepts two AMD EPYC 7003 or 7002 series processors in dual SP3 sockets. Sixteen DDR4 RDIMM or LRDIMM slots provide large memory capacity for database and archiving tasks. This platform targets administrators who need maximum drive count in a single rack unit.

PCIe 3.0 limits NVMe throughput

Thirty-two hot-swap 3.5-inch bays support SATA or SAS drives, while four additional bays accept either 3.5-inch SATA/SAS or 2.5-inch NVMe drives on PCIe 3.0 x4 links. Two dedicated 2.5-inch NVMe bays also run at PCIe 3.0 x4. The 3.0 interface caps sequential bandwidth below what PCIe 4.0 or 5.0 drives can deliver. Builders who need more storage bandwidth per drive must plan around this ceiling.

Redundant platinum power and IPMI

A 1+1 redundant 1200 W CRPS platinum supply keeps the system running if one module fails. Dual 10 GbE RJ45 ports driven by an Intel X550-AT2 controller handle high-speed data and management traffic. Integrated IPMI provides remote monitoring and control without a local console. The 36-bay layout demands careful cable routing and airflow management in dense racks.

Highlights

  • Dual SP3 sockets support AMD EPYC 7003 and 7002 series processors
  • 36 hot-swap drive bays provide massive storage capacity in 4U
  • Dual 10GbE RJ45 ports deliver high-speed network connectivity
  • 1+1 redundant 1200W platinum power supplies ensure uptime
  • IPMI remote management enables out-of-band server control

Specifications

WorkloadStorage Server
CPU TypeAMD EPYC 7003/7002 Series
CPU SocketDual Socket SP3
Shipping weight41.66 kg
Package size970 × 600 × 515 mm

Questions about this item

Should I populate all 36 drive bays with 3.5-inch SATA or SAS drives, or use the four NVMe-capable slots for faster storage?

The chassis provides 32 hot-swap 3.5-inch SATA or SAS bays, four 3.5-inch bays that also accept 2.5-inch NVMe drives on PCIe 3.0 x4, and two dedicated 2.5-inch NVMe bays; choose based on capacity versus speed needs.

How does the dual 10GbE RJ45 from the Intel X550-AT2 perform when the server is filled with 36 drives?

Dual 10GbE ports deliver up to 10 Gb/s each for storage traffic, while the Intel X550-AT2 controller handles TCP/IP offload to reduce CPU load during heavy I/O.

What does the PCIe 3.0 x4 link mean for the NVMe bays in this 4U platform?

Each NVMe bay runs on a PCIe 3.0 x4 connection, capping individual drive throughput to the limits of that generation and lane width.

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