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Metal tray holding two M.2 NVMe SSDs for 9.5mm optical bay

ICY DOCK

ICY DOCK ToughArmor MB852M2PO-B 2×M.2 NVMe PCIe 4.0 Mobile Rack 9.5mm ODD Bay

SKU CH-A31G-N82YG

Holds two M.2 NVMe SSDs up to 22110 in a 9.5mm ODD bay with dual OCuLink for PCIe 4.0 speeds

  • Product typeRack
  • Supports 64Gbps throughput via dual PCIe 4.0 OCuLink connectors
  • Accepts M.2 NVMe drives from 30mm to 110mm length
  • Fits 9.5mm ultra-slim optical drive bay
  • Built-in thermal pad moves heat to metal tray
  • OCuLink pinout follows SFF-9402 specification

Two-slot M.2 NVMe mobile rack

The ToughArmor MB852M2PO-B accepts two M.2 PCIe NVMe SSDs in lengths from 2230 to 22110 and mounts inside a 9.5 mm ultra-slim optical drive bay. It targets server or workstation builders who want high-speed solid-state storage without using a standard drive cage or PCIe slot.

OCuLink Gen 4 connectivity and thermal tray

Two PCIe 4.0 OCuLink connectors compliant with the SFF-9402 pinout deliver up to 64 Gbps of bandwidth per drive. A built-in thermal pad transfers heat from each SSD to the metal tray, helping maintain consistent performance during sustained workloads.

ODD-bay form factor limits expandability

The 9.5 mm bay height restricts the assembly to two drives and prevents the use of thicker cooling solutions or additional controllers. Systems without a compatible optical bay or spare OCuLink ports cannot use this rack, and the design does not support Tri-Mode operation.

How it compares

Measured against everything we stock in Rack & Tower Servers, at today’s prices. Recalculated every night.

Price $248.99
Cheaper than about 96% of the 17,641 comparable items (median $1,910.99).

New to this? Buying server hardware with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Product typeRack

Questions about this item

What PCIe generation and connector does the ToughArmor MB852M2PO-B use, and what throughput does it cap at?

It uses two PCIe 4.0 OCuLink connectors that support up to 64Gbps transfer speed.

Which drive bay size and drive lengths does this mobile rack accept?

It installs in a 9.5mm ultra-slim ODD bay and fits M.2 NVMe SSDs in 2230, 2242, 2260, 2280 and 22110 lengths.

How is the rack mounted and what step is commonly missed during installation?

Slide the rack into the 9.5mm ODD bay and secure it with the bay screws; the step often missed is removing the protective film from the built-in thermal pad so it contacts the SSD.

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