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TerraMaster DAS D2-320 2-Bay External Hard Drive Enclosure

Ref.: EC-TM-DAS-D2-320
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TerraMaster DAS D2-320 2-Bay External Hard Drive Enclosure — image 1
TerraMaster DAS D2-320 2-Bay External Hard Drive Enclosure — image 2

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No exchange, return or cancellation will be accepted on the grounds that something seen in a photo (accessory, port, colour, keyboard layout, packaging…) is not found on the delivered product. Only the specifications written on the page are binding for the order.

What the image does not guarantee:

  • Capacity : the capacity printed on the product photographed illustrates the range; the one sold is that of the title and the specifications.
  • Format and interface : 2.5 or 3.5 inch, SATA, NVMe M.2, with or without a heatsink: the photo is not enough to tell.
  • Drives not supplied : external enclosures, docking stations and NAS servers ship without a drive, unless explicitly stated.
  • Accessories : cables, adapters, caddies and screws are supplied only if the specifications say so.
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  • Props and accessories : the items shown around the product (cables, stands, decorative objects, content displayed on screen) are not included unless explicitly stated.
  • Packaging : boxes, labels and bundles change with the manufacturer's revisions: the packaging delivered may differ from the one in the photo.

What is binding: the product title, this page's technical specifications, the description and, when provided, the manufacturer's PDF datasheet available in the downloads.

The slightest doubt about a specification? Contact us before ordering and we will check for you.

(+212) 05 30 31 64 21+212 6 64 10 46 24service.client@iris.ma

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2 258,00 DHincl. VAT

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Receive it between Wed 23 Sept and Fri 25 Sept — delivery 40 DH incl. VAT all over Morocco

Delivery to your address

Receive it between Wed 23 Sept and Fri 25 Sept — delivery 40 DH incl. VAT all over Morocco

The estimate is refined using actual delivery rounds to your city.

  • Free delivery from 3 000 DH of purchases, all over Morocco.
  • Below that, the same rate in every city for parcels up to 30 kg (delivery to your home or workplace) — the exact amount is shown above, then in the basket.
  • Above 30 kg, the rate follows the parcel's weight. In Casablanca, the flat rate holds up to 120 kg.
  • You are notified by SMS, then called by the courier before your parcel is handed over (delivered by Sapress).
  • Observed delivery time: 1 to 5 working days depending on the city.
Free in-store collection: Casablanca (within 24 h) · Témara (within 48 h)

In-store collection — free

Casablanca store
We bring it to the store within 24 h
We call you as soon as it arrives in store.

Résidence Manoir des Roses, Lot. 18, Boulevard El Hachmi El Filali, Rond-point Bachkou, Casablanca

Opening hours

  • Mon–Fri: 10am – 7pm
  • Sat: 10am – 2pm
  • Closed on Sundays and public holidays

Payment on site: cash, bank card via terminal, certified cheque.

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Temara pickup point
We bring it to the store within 48 h
We call you as soon as it arrives in store.

Boulevard Hassan II, Résidence Les Perles de Témara, Immeuble 5, appartement 2, Témara

Opening hours

  • Mon–Fri: 8.30am – 1pm / 2pm – 6pm
  • Sat: 8.30am – 12.30pm
  • Closed on Sundays and public holidays

Payment on site: cash, bank card via terminal, certified cheque.

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1 year warranty — free repair in Morocco if it breaks down during the warranty period

1 year manufacturer's warranty

This product is covered for 1 year by a manufacturer's warranty (the brand's official warranty). Your iris.ma invoice serves as the warranty document: keep it safe.

A problem with your product? Don't worry: contact us by phone, WhatsApp or e-mail. Depending on the brand, we direct you either straight to the repairer appointed by the brand to fix your product, or to us — and we take care of the rest.

  • If a repair is possible, it is carried out free of charge.
  • If the product cannot be repaired, the brand offers an exchange for another product.
  • If no product is available, a refund is issued as soon as the brand confirms it.

Faulty straight out of the box? Some brands offer an immediate exchange, others a repair. Contact us to find out what applies to your product.

The warranty covers breakdowns occurring under normal use, as defined by the brand's terms. Product breakage (drop, impact, liquid…) is not covered, nor are certain consumable parts.

(+212) 05 30 31 64 21+212 6 64 10 46 24service.client@iris.ma

New, never opened — our commitment

All our products are new, delivered in their sealed original packaging.

We commit to never sending you a product that has been opened, unboxed or returned by another customer — even one “just opened for checking”.

Any doubt on delivery (damaged box, seal already opened)? Point it out to the courier or contact us immediately: we take the product back and send you another one.

Sales invoice

Every order comes with its sales invoice, included with the parcel (handed over in person for a store collection).

Ordering for a company? Using the details you give at checkout (company name and ICE), the invoice is issued in your company's name, with its ICE.

Need a quote? Request a free quote — reply within 24 working hours.

100% secure payment: Bank transfer · Bank card · Cash on delivery · Certified cheque

Accepted payment methods

Bank transfer

Simply transfer the amount shown to account 007 826 0002684000000426 89 — SGM2I, Attijariwafa bank. The rest (the reference to quote, sending us the proof, tracking) is explained right after confirmation and by email. An instant transfer is recommended: it saves you 24 hours on the delivery time.

Bank card

Your everyday Moroccan bank card is enough — Visa, Mastercard or CMI, no special card required. Foreign cards are accepted too. Secure payment by Attijari Payment.

Cash on delivery

Pay the courier in cash on delivery — no fee.

Certified cheque

Certified cheque payable to “sgm2i”. Have your bank certify the cheque, then send us a copy on WhatsApp (+212 6 64 10 46 24) or to service.client@iris.ma — we dispatch as soon as we receive it.

Cash at a bank branch

Pay the cash in at any of the 3,400 Attijariwafa Bank branches in Morocco, to the SGM2I account no. 0268 D 000 000 426. You do not need an account there: your ID and the cash are enough.

The methods offered depend on the order total and the carrier — checkout shows the final list.

Google reviews4.7(553 reviews)
Manufacturer's datasheetView the PDF · 886 Ko — downloadable

Product overview

The TerraMaster DAS D2-320 is a 2-bay, RAID-capable USB direct-attached storage enclosure, designed to quickly expand a computer's capacity over 10 Gbps USB-C.

Form factor: 2-bay USB DAS enclosure
Compatible drives: 3.5" HDD, 2.5" HDD and 2.5" SSD
File systems: NTFS, APFS, Mac OS, FAT32, EXT4 and exFAT
RAID modes: single disk, JBOD, RAID 0 and RAID 1
Functions: automatic RAID rebuild
Interface: USB 3.2 Gen 2 Type-C, 10 Gbps
Compatibility: Windows, macOS and Linux

A simple, fast DAS enclosure that expands a computer's storage capacity in minutes.

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Technical specifications

Technical specifications
Dimensions (W x D x H)222 x 119 x 154 mm
Net weight1.3 kg
Compatible operating systemsWindows, macOS, Linux
Cable included1 USB-C to USB-C cable, 0.8 m (10 Gbps)
Package contentsEnclosure, 0.8 m USB-C to USB-C cable (10 Gbps), quick installation guide, power adapter, screws, warranty leaflet
Read speedUp to 565 MB/s with one SSD, 1,075 MB/s with two SSDs
Write speedUp to 524 MB/s with one SSD, 956 MB/s with two SSDs
Typical power consumption19.4 W in read/write, enclosure fully populated with Seagate 22 TB drives
Standby power consumption5.2 W in deep sleep, enclosure fully populated with Seagate 22 TB drives
ConnectorUSB Type-C
Drive installationTool-free trays, with automatic Push-Lock locking when the drive is inserted
RAIDSingle disk, JBOD, RAID 0, RAID 1
Hot-swappableNo
Hardware RAIDYes, hardware RAID: single disk, JBOD, RAID 0 and RAID 1, with automatic rebuild
InterfacesUSB 3.2 Gen 2 Type-C, 10 Gbps
Power supplyExternal 40 W AC adapter, 100 to 240 V AC 50/60 Hz input, 12 V DC plug
Technical specifications (continued)
Automatic sleepYes, the enclosure follows the sleep mode of the computer's operating system
InterfaceUSB 3.2 Gen 2 (10 Gbps)
Rated transfer rateUp to 10 Gbps (USB 3.2 Gen 2)
SoftwareTPC Backupper: scheduled backup to the enclosure, on Windows 8, 8.1, 10 and 11
CertificationsCE, FCC, CCC, KC; RoHS compliant
Drive form factor2 slots for 3.5-inch SATA hard drive, 2.5-inch SATA hard drive or 2.5-inch SATA SSD
Maximum supported capacityUp to 32 TB per drive, 64 TB in total
Supported drive protocolSATA — the list of compatible drive types includes no M.2 or NVMe module
File systemNTFS, APFS, Mac OS, FAT32, EXT4, exFAT
Fan1 system fan, 80 x 80 x 25 mm, with smart speed control
Noise level23.8 dB(A) with Seagate 22 TB drives in read/write, microphone at 1 m, background noise 17.3 dB(A)
Operating temperature0 °C to 40 °C
Storage temperature-20 °C to 60 °C
Product type2-bay external DAS storage enclosure, sold without drives
Drive bays2 bays
Warranty1 year

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Frequently asked questions about this product

Does the D2-320 need a network connection or an Ethernet link?
No, it is a direct-attached storage (DAS) enclosure: it simply connects to a computer via USB-C, without going through the network.
Does the D2-320 support RAID?
Yes, its 2 bays can operate as a single disk, JBOD, RAID 0 or RAID 1, with automatic rebuilding of the RAID when a drive is replaced.
Does the D2-320 include the hard drives?
No, the 2 bays are to be fitted with 3.5- or 2.5-inch hard drives, or 2.5-inch SSDs, up to 32 TB per drive, i.e. 64 TB in total.
Is the D2-320 Mac compatible?
Yes, it works with Windows, macOS and Linux, and supports the NTFS, APFS, FAT32, EXT4 and exFAT file systems.
What speed does the D2-320 offer with SSDs installed?
Up to 1,075 MB/s read with 2 SSDs in RAID 0, compared with about 521 MB/s with 2 mechanical hard drives in RAID 0 — with SSDs, the enclosure makes full use of the 10 Gbps of USB 3.2 Gen 2.
Is a USB cable supplied with the D2-320?
Yes, a 0.8 m USB Type-C to Type-C cable is supplied, compatible with USB 3.0/3.1/3.2, Thunderbolt 3 and Thunderbolt 4.
Can the D2-320 expand the storage of a TerraMaster NAS?
Yes, once connected to the USB port of a TerraMaster NAS running TOS 5.1 or later, it lets you create additional storage pools via TOS.

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