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Description
WD My Book Duo 20TB Two-Bay USB 3.0 RAID Array (2 x 10TB)2 x 10TB WD Red Hard Drives Two Drive Bays USB 3. 0 Type C & USB Type A Interfaces Supports RAID 0, 1, and JBOD Configured as RAID 0 Sequential Read Speeds of up to 360 MB s 2 Port USB 3. 0 Hub Formatted NTFS for Windows Reformatting Required for Mac 256 Bit AES Encryption The WD My Book Duo 20TB USB 3. 0 RAID Array features two 3. 5" drive bays that each sport a 10TB hard drive to provide a total capacity of 20TB for USB Type C and USB Type A
- 2 x 10TB WD Red Hard Drives
- Two Drive Bays
- USB 3.0 Type-C & USB Type-A Interfaces
- Supports RAID 0, 1, and JBOD
- Configured as RAID 0
- Sequential Read Speeds of up to 360 MB/s
- 2-Port USB 3.0 Hub
- Formatted NTFS for Windows
- Reformatting Required for Mac
- 256-Bit AES Encryption
The WD My Book Duo 20TB USB 3.0 RAID Array features two 3.5" drive bays that each sport a 10TB hard drive to provide a total capacity of 20TB for USB Type-C and USB Type-A systems. The two included hard drives are WD Red drives designed for high-performance and reliability. WD has configured the drives in RAID 0 and lets you reconfigure them in RAID 1 or JBOD, using the included WD Drive Utilities software program. The My Book Duo comes with a USB 3.0 Type-C port along with two USB cables that allow you to connect to a typical USB port or a reversible USB Type-C port on the host system. With RAID 0 and USB 3.0 technology, the My Book Duo delivers sequential read speeds of up to 360 MB/s.
Other notable features include a 2-port USB 3.0 hub, which expands the host system's connections, and AES hardware encryption that helps prevent unauthorized access to sensitive data. In addition, the My Book Duo is pre-formatted in NTFS for Windows systems and requires a reformat for use with Mac.
- Capacity
- The My Book Duo drive provides 20TB of storage capacity with a single connection. This amount of digital storage space lets you hold and back up your photos, videos, documents, and songs.
- RAID 0
- The My Book Duo is preconfigured in a RAID 0 array that grants maximum speed and capacity. Utilizing the included WD Drive Utilities software, you can reconfigure the drives in a RAID 1 for redundancy or JBOD array as two independent drives.
- WD Red Drives
- Two WD Red drives are included to provide high-speed and reliable storage. To help ensure read/write cycle data integrity, RAID-optimized firmware is suitable for a two-disk array system with auto management of drive operations.
- Compatibility
- With the included USB Type-C to Type-C and USB Type-C to Type-A cables, the My Book Duo supports a wide-variety of systems.
- Two-Port USB 3.0 Hub
- The My Book Duo drive can serve as a quasi-docking station with two USB 3.0 Type-A ports designed for accessories, such as an additional storage device, keyboard and mouse set, card reader, and mobile devices.
- Encryption
- The My Book Duo drive comes with 256-bit AES hardware encryption with WD Security software built in to help keep private content secure. You can set a personalized password to activate hardware encryption and data protection.
UPC: 718037856919
In the Box
WD My Book Duo 20TB Two-Bay USB 3.0 RAID Array (2 x 10TB)
- USB Type-C to Type-C Cable
- USB Type-C to Type-A Cable
- AC Adapter
- Disk Replacement Tool
- Limited 3-Year Warranty
| Capacity | 20 TB (2 x 10 TB) |
| Drive Bays | 2 |
| Sequential Read Speed | Up to 360 MB/s |
| Host Interface | 1 x USB 3.0 Type-C |
| Ports | 2 x USB 3.0 Type-A ports 1 x Power Supply (DC in) |
| Operating Temperature | 41 to 95°F / 5 to 35°C |
| Non-Operating Temperature | -4 to 149°F / -20 to 65°C |
| AC Input Voltage (AC Adapter) | 100 to 240 VAC |
| AC Input Frequency | 50/60 Hz |
| Languages for Software | English, Chinese (Simplified), Chinese (Traditional), Czech, Dutch, French, German, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Slovakian, Spanish, Swedish, Turkish |
| Languages for User Manual | English, Arabic, Chinese (Simplified), Chinese (Traditional), Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hungarian, Indonesian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Romanian, Slovakian, Spanish, Swedish, Turkish |
| Supported Operating Systems | Windows 10, Windows 8.1/8, Windows 7 Mac OS X 10.12 (Sierra), Mac OS X 10.11 (El Capitan), Mac OS X 10.1 (Yosemite), Mac OS X 10.9 (Mavericks) Reformatting require for use with Mac |
| Compliance | NRCAN, RoHS |
| Dimensions | 6.3 x 3.9 x 7.1" / 160 x 100 x 180 mm |
| Weight | 5.3 lb / 2.4 kg |
| Packaging Info | |
|---|---|
| Package Weight | 7.0 lb |
| Box Dimensions (LxWxH) | 11.3 x 8.8 x 6.2" |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Great fit, functional, most comfortable shorts!
Size: 30, Color: Anthracite Camo
These are my go-to shorts, I now have five pair in different camo colors! I suggest one waist size smaller than you normally wear, (I buy a 30 instead of a 32, because they stretch and would be too sloppy if I purchased my regular size). The large open slotted pocket on the left, behind the Velcro flap pocket, is perfect for a normal sized cell phone. Plenty of utility pockets for EDC. Since these stretch slightly to accommodate movement and sitting, they are extremely comfortable. Also, my wife says they are good looking on me, so that gets an extra star!
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Reviewed in the United States on March 24, 2026
★★★★★ 5
great shorts
Size: 38, Color: Gunmetal
excellent shorts. slightly loose around the waist, which i prefer. inseam is perfect just above the knee. light weight
and roomy. wash well.
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Reviewed in the United States on May 24, 2026
★★★★★ 5
The perfect throw-on athletic dress (with built-in shorts!)
Size: Small, Color: Navy Blue
I’ve been loving this athletic dress—it’s one of those pieces that’s both functional and cute, which is hard to find. The fabric is lightweight, breathable, and slightly stretchy, so it’s comfortable whether you’re running errands, going for a walk, or just chasing kids around all day.
The built-in shorts are a huge plus. They stay in place well and make it feel more secure than a regular dress, especially on busy days. I also appreciate the pockets—they’re actually usable and don’t feel bulky.
The fit is relaxed and flowy, which I personally like because it’s easy and flattering without clinging. The straps are adjustable, so you can customize the fit a bit depending on your height or preference.
I’d say it runs true to size for a looser fit. If you want it more fitted, you could size down, but I like the casual, sporty look as is.
Overall, this is a great everyday summer staple—super easy to style with sneakers or sandals, and perfect for travel or on-the-go days. I’ll definitely be getting more colors!
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Reviewed in the United States on April 24, 2026
★★★★★ 5
Perfect for summer days.
Size: Medium, Color: Deep Gray, Size: Medium, Color: Deep Gray
I absolutely love this little athletic summer dress. I typically wear a size ten and ordered this in a medium and it's a perfect fit. I have the straps short so way it doesn't look baggy. It is super soft and comfortable. It is breathable and a perfect cut and length for me so so I plan on wearing it all during hot summer days. This is very versatile and easy to style by layering different things underneath it. I have a gray and leopard sports bra that is a really close shade of gray so it almost looks like it's one piece. I plan to order the teal as I have a swimsuit top that will match that color spot on. It seems like it is good quality and should hold up well to normal usage. I like that it has really big pockets , but I likely will not use them often lol. I just like the fact that if I need to have pockets they are there.
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Reviewed in the United States on April 15, 2026
★★★★★ 4
Size down! But overall comfortable and cute and good quality
Size: Small, Color: Light Yellow
Overall it’s cute and comfortable, but my advice is to SIZE DOWN!!! I wish I would have, but I’ve already washed it so it’s too late. The straps are adjustable, but even so, I’ve had to tighten them as far as they’ll go. For reference, I am 5’1” and 125#, rectangle shaped/boxy body with a very small chest and I got a Small. The top gapes open on me and the dress is longer than I prefer for this style. Material/fabric is nice and good quality and it’s a perfect one-piece easy outfit for warm days. I like the yellow color too. It is tricky to find the right bra to wear with it, though. Got lots of compliments on it the first time I wore it.
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Reviewed in the United States on April 22, 2026