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header-product HDD/SSD enclosure OWC ThunderBay 4 Black — 4 bays, 2.5/3.5", SATA I/II/III, 20 Gbit/s, USB-C

HDD/SSD enclosure OWC ThunderBay 4 Black — 4 bays, 2.5/3.5", SATA I/II/III, 20 Gbit/s, USB-C

OWC ThunderBay 4 HDD/SSD enclosure Photo 1
OWC ThunderBay 4 HDD/SSD enclosure Photo 2
OWC ThunderBay 4 HDD/SSD enclosure Photo 3
OWC ThunderBay 4 HDD/SSD enclosure Photo 4
OWC ThunderBay 4 HDD/SSD enclosure Photo 5
OWC ThunderBay 4 HDD/SSD enclosure Photo 1
OWC ThunderBay 4 HDD/SSD enclosure Photo 2
OWC ThunderBay 4 HDD/SSD enclosure Photo 3
OWC ThunderBay 4 HDD/SSD enclosure Photo 4
OWC ThunderBay 4 HDD/SSD enclosure Photo 5
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Short description

OWC ThunderBay 4 is a 4-bay HDD/SSD enclosure in black that accepts 2.5" and 3.5" SATA drives (SATA I/II/III). It connects via USB Type-C and supports up to 20 Gbit/s transfer speed. The unit operates as JBOD, providing straightforward multi-drive external storage for backups, media libraries, video editing scratch disks, and capacity expansion.
Warranty: 2 Years
SKU: 5062718
Manufacturer: OWC
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Product information

Description

OWC ThunderBay 4 is a black, four-bay HDD/SSD enclosure that accepts both 2.5" and 3.5" SATA drives (SATA I/II/III). Designed for external multi-drive storage, it connects via USB-C and supports up to 20 Gbit/s transfer speed. The enclosure operates as JBOD, enabling independent use of each drive or the ability to create multi-drive arrays with user-selected software RAID solutions. Its enclosure cooling uses a flow-through vented design and an oversized low-noise fan to maintain drive temperatures during sustained workloads.

Advantages

The ThunderBay 4 combines a four-bay capacity with a compact external form factor, allowing straightforward expansion of storage for backups, media libraries, and project scratch disks. Support for both 2.5" and 3.5" SATA drives provides flexibility in choosing SSDs or HDDs to match performance and capacity needs. USB-C connectivity at up to 20 Gbit/s offers high-throughput data transfer for large files and real-time media workflows, while the JBOD mode and compatibility with third-party RAID software let users configure the unit to their workflow requirements.

Suitable for

  • Video editing scratch disks and project storage
  • Large photo libraries and image editing workflows
  • Backup and archival storage
  • Audio production and multitrack recording sessions
  • General capacity expansion for desktops and workstations

Key specifications

  • Drive bays: 4 bays supporting 2.5" and 3.5" SATA drives
  • SATA compatibility: SATA I, SATA II, SATA III
  • Interface: USB Type-C connection
  • Maximum transfer rate: up to 20 Gbit/s (interface-dependent)
  • Drive mode: JBOD (each drive accessible independently; software RAID supported externally)
  • Cooling: flow-through vented design with oversized low-noise fan
  • Physical color: black

How to use

Install up to four 2.5" or 3.5" SATA drives into the bays following the enclosure's mounting procedure, then connect the unit to your computer using the USB-C cable. The ThunderBay 4 presents each drive to the host system in JBOD mode by default; you can use the operating system's disk utility or third-party RAID software to initialize, format, or configure software RAID arrays as needed. Ensure drives are securely seated and the enclosure has adequate airflow during operation.

Usage recommendations

Place the ThunderBay 4 on a stable, flat surface with at least a few centimeters of clearance for airflow. For workflows that demand higher throughput or redundancy, configure drives with compatible software RAID on the host computer. Regularly monitor drive temperatures and health with appropriate utilities, and maintain current backups when using multi-drive configurations.

Specifications

Number of storage drives supported:
4
Storage drive size:
2.5/3.5
Weight:
3.9 kg
Supported storage drive interfaces:
Serial ATA III, Serial ATA II, Serial ATA
USB connector type:
USB Type-C
Material:
Aluminium
Product colour:
Black
All features

Storage

RAID levels:
JBOD
Storage drive size:
2.5/3.5
Number of storage drives supported:
4
Supported storage drive interfaces:
Serial ATA III, Serial ATA II, Serial ATA

Ports & interfaces

USB connector type:
USB Type-C
USB connectivity:
Yes
Thunderbolt 2 ports quantity:
2

Design

Product type:
HDD/SSD enclosure
Material:
Aluminium
Product colour:
Black
LED indicators:
Activity, Power
Number of fans:
1 fan(s)
Fan diameter:
92 mm
Number of 3.5" bays:
4
Built-in display:
No
Key lock:
Yes

Weight & dimensions

Weight:
3.9 kg
Height:
177 mm
Width:
135 mm
Depth:
245 mm

Power

Input voltage:
100 - 240
External power adapter:
No

Performance

Chipset:
Thunderbolt 2
Plug and Play:
Yes
Data transfer rate:
20 Gbit/s

System requirements

Mac compatibility:
Yes
Windows operating systems supported:
Windows 8.1 x64, Windows 8.1, Windows 8 x64, Windows 8, Windows 7 x64, Windows 7, Windows 10 x64, Windows 10
Mac operating systems supported:
Mac OS X 10.12 Sierra, Mac OS X 11.0 Big Sur, Mac OS X 10.9 Mavericks, Mac OS X 10.8 Mountain Lion, Mac OS X 10.7 Lion, Mac OS X 10.6 Snow Leopard, Mac OS X 10.15 Catalina, Mac OS X 10.14 Mojave, Mac OS X 10.13 High Sierra, Mac OS X 10.11 El Capitan, Mac OS X 10.10 Yosemite

Packaging content

Cables included:
AC, Thunderbolt
Manual:
Yes
Number of keys included:
2 pc(s)

Description

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Customer reviews

Customer questions

FAQ

What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Leasing for legal entities. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All OWC products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized OWC service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: number of storage drives supported, storage drive size, weight, supported storage drive interfaces, usb connector type, material, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.
warranty
14-Day Return Policy We are confident in our quality, but if the purchase doesn’t fit — you have 14 days to return the product with peace of mind.
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Fast Delivery Get your orders as quickly as possible — right to your door, parcel lockers, or pickup points across Latvia and the EU.
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Secure Payment Pay the way you prefer: cash, VISA, MasterCard, Apple Pay, Google Pay, bank transfer, or 0% installment plan.
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Quality Since 2008 AiO.lv has been on the market for over 18 years and has earned trust — with more than 6000 genuine positive reviews on Google.