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Black aluminum trayless enclosure with three 3.5-inch drive bays, metal keylocks and a 7cm cooling fan

Athena Power

Athena Power BP-TLA2131SAS12 3-Bay 3.5" SATA/SAS Drive Enclosure

SKU CH-5F5Q-TQF9E

Holds three 3.5" SATA or SAS drives at up to 12Gbps with trayless swaps, aluminium construction, keylocks, a 7cm fan and LED status lights

  • Size3.5 in (8.89 cm)
  • Drive interfaceSATA 7 pin
  • Bay count3
  • Max capacity per bay1
  • Product colorBlack
  • Product typeEnclosure
  • Supports three 3.5" SATA or SAS drives at 12Gbps
  • All-aluminum body and bezel provide structural rigidity and heat dissipation
  • Trayless mechanism enables tool-free drive swaps in seconds
  • Metal keylocks on each bay door prevent unauthorised drive removal
  • 7cm fan with high/low speed switch maintains thermal stability

Professional 3-bay backplane

The Athena Power BP-TLA2131SAS12 is a trayless 3.5-inch enclosure that accepts three SATA or SAS hard drives through a 12Gbps mini-SAS HD interface. Its all-aluminium body and front bezel provide structural rigidity and assist heat dissipation. A 7cm fan with high and low speed settings maintains airflow across the installed drives. Individual LEDs display power and access status for each bay.

Suited for dense hot-swap arrays

System builders who need tool-free drive changes in a compact 194 x 146 x 86mm footprint will benefit from the trayless doors and metal keylocks. The unit requires a backplane or controller with a compatible mini-SAS HD connection and two 15-pin SATA power inputs. It is not intended for external standalone use or for 2.5-inch drives without separate adapters. Builders without a 12Gbps host link should verify their controller specification first.

12Gbps mini-SAS HD host link

The single specification that determines compatibility is the external mini-SAS HD port running at 12Gbps. The enclosure presents three internal 7-pin SATA data connectors and two 15-pin power connectors to the drives. If the host system provides only 6Gbps SAS or standard SATA ports, the backplane will negotiate down but cannot exceed the host link speed. Confirm the controller port type before purchase.

How it compares

Measured against everything we stock in External Drive Enclosures, at today’s prices. Recalculated every night.

Price $80.99
Pricier than about 75% of the 821 comparable items (median $30.99).

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Specifications

Product
Brand nameAthena Power
Product line12Gb/s (mini-SAS HD) SAS/SATA Interface
Model name3.5 in SATA/SAS hard drives Enclosure
Part numberBP-TLA2131SAS12
Product colorBlack
Product typeEnclosure
Storage
Drive interfaceSATA 7 pin
Bay count3
Max capacity per bay1
Ports & slots
External connectionNo
Size & build
Size3.5 in (8.89 cm)
Main materialAluminum
Product dimensions194(L) × 146(W) × 86(H)mm
Product weight1.1 Kgs
More details
Cooling fansYes

Questions about this item

What host interface does the BP-TLA2131SAS12 use and what data rate does it support?

The enclosure connects through three 7-pin SATA data ports and two 15-pin SATA power connectors, delivering up to 12 Gbps per drive bay for both SATA and SAS hard drives.

What are the physical dimensions and drive-bay clearance of the BP-TLA2131SAS12?

The all-aluminum unit measures 194 mm long, 146 mm wide and 86 mm high, fitting three 3.5-inch drives in trayless bays with individual metal keylocks.

How is the BP-TLA2131SAS12 installed and what step is often missed?

Mount the enclosure in a standard 3.5-inch drive bay, connect the three 7-pin SATA data cables and two 15-pin SATA power cables, then set the 7 cm fan to high or low — many builders forget to plug in both power connectors so one or more bays stay dark.

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