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Black rackmount server chassis with eight front hot-swap drive bays and two 120mm fans

Silverstone

Silverstone CS381 8-Bay SAS-12G Server Chassis 28L

SKU CH-HZ59-MMCKT

Compact 28-litre Micro-ATX server chassis holds eight hot-swap 3.5" or 2.5" SAS-12G/SATA-6G drives with dual LEDs and two 120mm dual ball-bearing fans

  • Chassis TypeRackmount
  • Eight hot-swap bays accept 3.5" and 2.5" SAS-12G or SATA-6G drives
  • Two 120 mm dual ball-bearing fans rated 70,000 hours L10 keep drives cool
  • Vertical or horizontal orientation fits any rack or desk space
  • 28-litre Micro-ATX chassis still fits a 240 mm CPU liquid cooler
  • Four internal 2.5" mounts add extra SSD capacity beyond the hot-swap bays

Silverstone CS381 8-Bay SAS Server Chassis

The Silverstone CS381 is a 28-litre rackmount chassis that supports micro-ATX, Mini-DTX and Mini-ITX motherboards. It provides eight front-accessible hot-swap bays for 3.5-inch or 2.5-inch SAS and SATA drives. Two 120mm dual ball bearing fans with a 70,000-hour L10 rating are included for cooling. The case also accepts SFX or SFX-L power supplies.

Suits compact NAS builds with hot-swap bays

This chassis suits builders who need eight hot-swap drive bays in a small footprint and want the flexibility of vertical or horizontal placement. It also accommodates a 240mm liquid cooling radiator and full-height expansion cards up to 267mm long. Buyers requiring more than eight external bays, internal 5.25-inch bays or support for larger ATX motherboards should consider other form factors.

Eight 3.5-inch hot-swap bays with SAS-12G support

The defining specification is the eight front hot-swap trays that accept both 3.5-inch and 2.5-inch drives running on SAS-12G or SATA-6G interfaces, each with dual LED status indicators. This bay count and interface combination determines whether the chassis matches the storage density and protocol requirements of the planned NAS or server deployment.

Highlights

  • Eight hot-swap bays accept 3.5" and 2.5" SAS-12G or SATA-6G drives
  • Two 120 mm dual ball-bearing fans rated 70,000 hours L10 keep drives cool
  • Vertical or horizontal orientation fits any rack or desk space
  • 28-litre Micro-ATX chassis still fits a 240 mm CPU liquid cooler
  • Four internal 2.5" mounts add extra SSD capacity beyond the hot-swap bays

Specifications

Chassis TypeRackmount

Questions about this item

What motherboard form factors and power supply type does the CS381 chassis accept?

It supports Micro-ATX, Mini-DTX and Mini-ITX boards and takes an SFX or SFX-L power supply.

How are the eight hot-swap drive trays installed and what common step is missed?

Slide each tray into the front bay until it clicks; the step often missed is fully seating the tray so both SAS-12G / SATA-6G LED indicators light up.

What fan maintenance does the CS381 require over its lifespan?

The two included 120mm dual ball-bearing fans are rated L10 70,000 hours; expect to replace them once they become noisy or airflow drops.

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