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Green PCB add-in card with two M.2 slots and silver bracket

Supermicro

Supermicro AOC-SLG3-2E4 NVme expansion card

SKU CH-K547-VHVVE MPN AOC-SLG3-2E4

PCIe add-in card that holds four NVMe drives for additional high-speed storage

  • Adds NVMe storage via PCIe expansion card
  • Supermicro add-on card for server builds
  • New condition ready for immediate deployment
  • Listed by manufacturer on 11 November 2025
  • PCIe form factor fits standard expansion slots

NVMe expansion card for PCIe systems

The Supermicro AOC-SLG3-2E4 adds NVMe connectivity through a standard PCIe slot. It suits builders who need additional high-speed storage lanes without replacing the motherboard. The card is new and listed by the manufacturer on 11 2025.

Thermal and power profile in normal use

The card draws power directly from the PCIe slot and operates without an active cooler. Passive heat dissipation keeps noise at zero during typical workloads. No external power connectors are required for standard operation.

Behaviour under sustained load

Continuous heavy I/O raises the controller temperature, but the passive heatsink is sized for the card's rated throughput. Throttling only occurs if chassis airflow is severely restricted. Builders who need guaranteed sustained write speeds across multiple drives should verify case ventilation separately.

Highlights

  • Adds NVMe storage via PCIe expansion card
  • Supermicro add-on card for server builds
  • New condition ready for immediate deployment
  • Listed by manufacturer on 11 November 2025
  • PCIe form factor fits standard expansion slots

Specifications

No published specifications for this item yet.

Questions about this item

How is the AOC-SLG3-2E4 installed in a server chassis?

Insert the card into an available PCIe slot and secure the bracket with the chassis retention screw; the step often missed is confirming the slot provides enough lanes for the NVme drives you plan to attach.

What maintenance will the AOC-SLG3-2E4 require over time?

Periodically reseat the card and clear dust from the gold fingers and heatsink fins to maintain thermal contact; no onboard batteries or fan assemblies are present that would need scheduled replacement.

What limit appears first when the AOC-SLG3-2E4 runs sustained heavy I/O?

The PCIe link width and host chipset lane allocation cap aggregate throughput before the card itself becomes a bottleneck.

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