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Silver aluminium drive cage with four trayless 3.5-inch bays and key locks

Silverstone Technology

Silverstone Technology FS304B-12G 4×3.5″ SAS-12G/SATA drive enclosure

SKU CH-0RWF-8Y4JN MPN FS304B-12G

Holds four 3.5″ SAS-12G/SATA drives in three 5.25″ bays with trayless hot-swap, individual key locks and adjustable fan control

  • TypeAccessories
  • Fits four 3.5" drives in three 5.25" bays
  • Trayless hot-swap design enables tool-free drive changes
  • Individual key locks secure each drive independently
  • Aluminium body with built-in fan dissipates heat effectively
  • Adjustable LED and fan controls let you monitor status quietly

Drive density and interface

This enclosure fits four 3.5-inch SAS-12G or SATA 6Gbit/s drives into three 5.25-inch device bays. It is built for administrators who need high-density hot-swap storage in a standard server or workstation chassis. The all-aluminium body and built-in fan keep drives cool under continuous operation.

Lockable trayless bays

The screwless trayless mechanism lets you insert or remove drives in seconds while the system stays online. Each bay has an independent metal key lock and status LED for physical security and quick health checks. Builders who need tool-free installation and per-drive locking will value this design. Systems without three adjacent 5.25-inch bays cannot accommodate the unit.

SAS-12G and SATA 6Gbit/s support

The backplane connects each drive at up to 12 Gbit/s for SAS or 6 Gbit/s for SATA, matching the speed of modern enterprise drives. Adjustable fan control and drive LEDs are managed from the front panel. Choose this cage when your controller and drives use SAS-12G or SATA 6Gbit/s interfaces.

商品特色

  • Fits four 3.5" drives in three 5.25" bays
  • Trayless hot-swap design enables tool-free drive changes
  • Individual key locks secure each drive independently
  • Aluminium body with built-in fan dissipates heat effectively
  • Adjustable LED and fan controls let you monitor status quietly

商品規格

TypeAccessories
出貨重量1.81 kg
包裝尺寸203 × 152 × 127 mm

商品問答

How many 3.5" drives does the FS304B-12G hold in three 5.25" bays?

The enclosure fits four 3.5" SAS or SATA drives across three standard 5.25" device bays, using a trayless and screwless mechanism for quick installation.

What real-world throughput can I expect from the SAS-12G and SATA 6Gbit/s interfaces?

Each drive bay supports SAS at 12 Gbit/s and SATA at 6 Gbit/s, so actual transfer speed will match the drive's own rating up to those interface limits.

Does the cage use a single backplane connector or one per drive for SAS-12G and SATA?

The unit provides independent connections for each of the four bays, allowing every drive to run at its full SAS-12G or SATA 6Gbit/s rate without sharing bandwidth.

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