Name: OWC ThunderBay 4 Four-Bay Thunderbolt 3 External Storage Enclosure with SoftRAID
Brand: OWC
SKU: OWCTB3SRKIT0GB
Price: 999.0 AUD
Availability: InStock

Good unit

Only have had the drive enclosures working for a few weeks and are working okay with mix of old and new HDDs and an oldish iMac. Not as noisy as anticipated. Set up was straightforward with SoftRAID XT.
Data transfer is faster than old OWC enclosures but not sure if that is the enclosure itself or Thunderbolt 1-2-3.
The drive indicator lights are bunched to the left but I would like each light to be directly above its respective drive.
Got good advice and assistance from MacFixit and OWC.

OWC ThunderBay 4 Four-Bay Thunderbolt 3 External Storage Enclosure with SoftRAID

OWC

ThunderBay 4 RAID
4-Bay Storage Enclosure with Dual Thunderbolt 3 Ports

Customer Reviews

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Drive Bays	4 bays supporting: 2.5-inch SATA HDDs, 2.5-inch SATA SSDs, 3.5-inch SATA HDDs, 3.5-inch SATA SSDs
Plug and Play	Yes
Hot Swap Support	Yes
Boot Support	Boot Camp is not supported
Storage Interface	SATA 6.0 Gb/s
RAID Capable	Yes
RAID Levels Supported	JBOD, RAID 0, RAID 1, RAID 4, RAID 5, RAID 10
RAID Features	Software RAID
Device Ports	(1) Host Port – Thunderbolt 3 (USB-C) up to 40Gb/s (5000MB/s) (1) Thunderbolt 3 (USB-C) Port Either Thunderbolt (USB-C) port can be used as the host port
Power Delivery	Thunderbolt 3 ports each provide up to 15W of power to the host computer or attached device
UASP Support	UASP (USB Attached SCSI Protocol) is supported
Data Transfer Rate (Maximum)	Thunderbolt 3: Up to 40Gb/s (or 5000MB/s)
Chipset / Controller	SATA Controller: (1) ASM-1164 Thunderbolt 3: (1) Intel DSL6540
Host Interface Requirements	Thunderbolt (USB-C) port (backward compatible with Thunderbolt 2 / Thunderbolt 1)
Mac OS Compatibility	macOS 10.14 Mojave and later
PC OS Compatibility	Windows 10 64-bit Edition, Windows Server 2022, Windows 11
Other Requirements	SoftRAID works with macOS 10.14+ and Windows 10+. Licensed per computer (Mac & Windows, single activation)
External Power Adapter	No
Power Supply	Internal UL-listed universal auto-switching power supply
AC Input	100–230V
Fans	(1) 92mm cooling fan
Security Slot	Yes
Power Button	Yes
Power/Activity LED	Yes
Housing Color	Black
Housing Material	Aluminum
Dimensions	Height: 19.1 cm (7.5 in) Length: 24.5 cm (9.6 in) Width: 13.5 cm (5.3 in)
Weight	3.9 kg (8.60 lbs)
Reach Certification	Yes
Ambient Temperature	Operating: 50°F to 95°F (10°C to 35°C) Non-Operating: -40°F to 149°F (-40°C to 65°C)
Humidity	Operating: 8% to 90% non-condensing Non-Operating: 5% to 95% non-condensing