■ Support up to 12 drives in unprecedented 30 liter Micro-ATX chassis size

■ Designed for vertical or horizontal position, allow users to freely place CS381 anywhere

■ Includes two long-life (L10, 70,000 hours) dual ball bearing 120mm fans

■ Hot-swap drive trays support up to eight 3.5” or 2.5” SAS-12G / SATA-6G drives with two LED indicators for displaying drive status

■ Accommodates SFX or SFX-L power supply

■ Support normal height expansion slots for installation of cards up to 267mm long

■ Kensington lock on front panel for additional security

High Performance NAS Chassis
Case Storage Series
Hot-Swap Drive trays
Support up to eight 3.5” or 2.5” SAS-12G / SATA-6G drives with two LED indicators for displaying drive status
Cooling System
For CPU cooling, the CS381 has room to accommodate up to a 240mm radiator for nearly unlimited CPU choices.
Front Door Lock
For extra security, the entire front can be locked to prevent unwanted drive removal and power button can also be locked together to prevent accidental power on/off
Prodigious Accommodation
Designed to house Micro-ATX motherboard, the CS381 gives users a wide array of hardware options that includes support for 3.5” or 2.5” drive in SATA or SAS format, high-end graphics card, and RAID cards


Model No. SST-CS381B
Material Plastic and metal mesh front panel, galvanized steel body
Motherboard Micro-ATX, Mini-DTX, Mini-ITX
Drive bay External 3.5” / 2.5” SAS / SATA external hot-swapping x 8
Internal 2.5” (5mm ~ 15mm) x 4 (2 on left racks)
HDD backplaneMini-SAS HD SFF-8643 36 pin connector x 2*/**
HDD Interface SATA drive up to 6 Gbit/s (depends on drive speed)
SAS drive up to 12 Gbit/s (depends on drive speed)
Cooling system Front --
Rear 2 x 120mm 1300rpm 28dBA dual ball bearing fan Life time 70000hr (L10)
Side 2 x 120mm or 3 x 80mm fan slot (optional)
Top --
Bottom --
Internal --
Radiator supportRear1 x 120mm or 1 x 240mm
Expansion slot 4
Front I/O port USB 3.1 Gen 1 x 2
audio x 1
MIC x 1
LED Indicator Chassis Power ON: Blue
Accessing: Red blinking
HDD Tray HDD Power LED : Red
HDD Access : Blue blinking
Power supply SFX / SFX-L PSU (sold separately)
Limitation of expansion card Up to 10.5” (266.7mm), please refer to manual for more details
Limitation of CPU cooler 57mm***
Limitation of PSU 130mm
Net weight 7 KG
Dimension 400mm (W) x 225mm (H) x 316mm (D) , 28 Liters
15.75" (W) x 8.86" (H) x 12.44" (D) , 28 Liters
Extra Kensington lock

* Please note the directionality of MINI SAS cables used, cables such as CPS05-RE is recommended for use with SATA ports on motherboard.
** MINI-SAS HD ports on backplane are not compatible with U.2 ports on motherboards.
*** If CPU cooler used has top-down airflow direction, please make sure there is at least 10mm of clearance above the fan for sufficient air intake.


  • Q&A

Describe Ver Size Download
CS381 manual V1.0 1,728 KB
CS381 High resolution photos 14,879 KB
CS381 Product Sheet V1.0 322 KB

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No such information.