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90501 OB

OWC - ThunderBay 4 16TB 4-Bay Thunderbolt 3 RAID 0 Array - Open Box Version

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  • 4 x 4TB 7200 rpm SATA III 3.5" HDDs
  • 4 x 3.5"/2.5" SATA III 6 Gb/s Drive Bays
  • Thunderbolt 3 (USB Type-C) Interface
  • RAID 0, 1, 4, 5, 1+0, and JBOD

*This is an open box item. All Sales Are Final!*

The Other World Computing (OWC) - ThunderBay 4 16TB 4-Bay Thunderbolt 3 RAID 0 Array features dual Thunderbolt 3 ports, which utilize the USB Type-C connector. There is also a DisplayPort 1.2 port for connecting up to a 4K display.

The ThunderBay 4 has four drive bays, which supports both 2.5" and 3.5" hard drives (2.5" HDDs do not need adapters). This particular ThunderBay 4 model comes with four 4TBTB 3.5" 7200 rpm drives for a total of 16TB storage capacity. The included drives are configured in RAID 0. RAID 0 stripes all the drives in the array together so a RAID 0's read and write speeds will be nearly as fast as the combined speed of all the drives in it. Please note that RAID 0 does not offer data redundancy. If you want that, you can use the included SoftRAID Lite software to format the ThunderBay 4 to RAID 1, with an option to upgrade to support RAID 5 and 1+0.

Thunderbolt 3

Thunderbolt 3 is a hardware interface that utilizes the reversible USB Type-C connector. Doubling the speed of its predecessor, Thunderbolt 3 features a maximum throughput of 40 Gb/s when used with compatible devices. The connector also transmits data via USB 3.1 at up to 10 Gb/s, and dual-bandwidth DisplayPort 1.2 allows you to connect up to two 4K displays simultaneously. Additionally, you can daisy chain up to six devices from a single Thunderbolt 3 port.

RAID & JBOD Support

The ThunderBay 4 comes pre-configured in RAID 0, but also supports RAID 1, 4, 5, 1+0, and JBOD.

Time-Tested Cooling

Built on OWC's time-tested enclosure cooling technology, the Thunderbay 4 utilizes an open "flow-thru" vented design with an over-sized 92mm, low turbulence, noise-quieting fan to keep the drives running cool and reliably.


Daisy-chain up to six ThunderBay 4s for more storage capabilities and increased performance, or connect multiple ThunderBay 4s to multiple Thunderbolt 3 ports to achieve higher speed capabilities.

Vibration Dampened

The ThunderBay 4's drive isolating design reduces sonic resonance and is aided by over-sized, rugged, vibration-absorbing, non-skid feet.

DisplayPort 1.2 Support

Dual Thunderbolt ports let you connect the display of your choice that your computer can support, including 4K displays.

OWC Thunderbolt Cable

The ThunderBay 4 comes with a certified OWC Thunderbolt 3 cable.

In the Box
OWC / Other World Computing ThunderBay 4 16TB 4-Bay Thunderbolt 3 RAID 0 Array (4 x 4TB)

Thunderbolt 3 Cable

External Power Cable

2 x Security Keys

SoftRAID XT Lite

More Information
SKU90501 OB
Product ConditonOpen Box
Number of Bays 4 x 2.5"/3.5"
Connections 2 x USB Type-C (Thunderbolt 3 (40 Gb/s))
1 x DisplayPort (DisplayPort 1.2)
Compatible Drive Interface SATA III
Form Factor Desktop
Maximum RAID Transfer Rate 826 MB/s (Read)
837 MB/s (Write)
RAID Modes RAID 0, 1, 10, 4, 5, JBOD
Operating System Support Windows, macOS/OS X
OS Compatibility Windows 10 or Later
macOS 10.12 or Later
Total Raw Capacity 16 TB (4 x 4 TB)
Type Hard Disk Drive
Rotational Speed 7200 rpm
Interface SATA III
Cache Memory per Drive 128 MB
Initial RAID Configuration RAID 0
Power Source Internal Power Supply
AC Input Power 100 to 230 VAC, 50 / 60 Hz
Security Features Kensington Security Slot
Operating Temperature 50 to 95°F / 10 to 35°C
Storage Temperature -40 to 149°F / -40 to 65°C
Cooling 1 x  92 mm Fan
RAID Controller None
Status Monitoring LED Indicator
Dimensions (W x H x D) 5.3 x 7 x 9.6" / 134.62 x 177.8 x 243.84 mm
Weight 12.6 lb / 5.72 kg
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
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