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TerraMaster D4 SSD
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D4 SSD

$199.99$249.99Save 20%

In stock at terra-master.com

The TerraMaster D4 SSD is a four-bay M.2 NVMe direct-attached enclosure using USB4 at up to 40Gbps. TerraMaster reports about 3,257MB/s reads and 3,192MB/s writes with four Samsung 990 PRO drives in RAID 0. It holds up to 32TB, runs quietly with a temperature-controlled fan and works with Thunderbolt 3, 4 and 5 Macs and PCs.

Shop now at TerraMaster →Code ALEKSANDRBODNAR

See all 71 TerraMaster products·Visit terra-master.com

Price and stock from terra-master.com, refreshed daily. We may earn a commission if you buy.

Highlights

  • 4 M.2 NVMe bays, up to 8TB each (32TB total)
  • USB4, up to 40Gbps
  • Up to 3,257MB/s read and 3,192MB/s write in RAID 0 (TerraMaster test)
  • Smart fan with four sensors, standby noise under 19dB(A)
  • 12V to 20V input works with most 19V laptop adapters

Best for

Video editors and Mac mini owners who need fast external flash storage.

Things to consider

  • SSDs are not included.
  • It is a direct-attached drive, not a networked NAS, despite the category label.
  • Top speeds rely on fast drives in RAID 0, which has no redundancy.

Key specs

Price$199.99
Bays4 x M.2 NVMe
InterfaceUSB4 40Gbps
Max capacity32TB
CompatibilityThunderbolt 3/4/5, USB4/3.x
NoiseUnder 19dB(A) standby
Warranty2 years

Our take

A fast, well-priced NVMe enclosure for creators; pick quality SSDs to hit the numbers.

D4 SSD at a glance

BrandTerraMaster
Price$199.99 (was $249.99)
TypeNAS
AvailabilityIn stock at terra-master.com
CouponALEKSANDRBODNAR
ReturnsTheir published policy page covers warranty returns, which require proof of purchase and…

Price check

At $199.99, the D4 SSD is one of TerraMaster's more affordable items, whose 71 listed products run $19.99 to $9,999.

It's currently 20% below its listed price of $249.99. Sale prices can end without notice, so check the live price before you order.

Similar items from other brands we track run $36.99 to $319.99.

Buying from TerraMaster

TerraMaster is a strong pick if you want a capable NAS or multi-bay enclosure and care more about hardware per dollar than about the most polished software ecosystem. Skip it if a long warranty matters most, since the standard US coverage is 12 months and you pay to ship units in for service. Check exactly which drives and RAM your model supports before you buy.

Shipping
Free ground shipping on orders of $99 or more within the continental US (duties and taxes excluded). Orders ship within 48 hours and transit takes 3 to 5 business days.
Warranty
12-month limited warranty in the US (24 months in the EU) against manufacturing defects for the original buyer. TerraMaster repairs or replaces defective parts, but you pay shipping to them, and data loss is not covered.
Returns
Their published policy page covers warranty returns, which require proof of purchase and a return authorization number. A general change-of-mind return window isn't clearly spelled out.

Read our full TerraMaster review and shop all products →

Frequently asked questions

Can the D4 SSD be used as a Mac boot drive?
TerraMaster lists Mac OS boot drive use among its intended purposes.
Does it work on Windows?
Yes, TerraMaster says it switches between Mac and PC and works with USB4 and Thunderbolt hosts.
Is the D4 SSD on sale?
Yes. TerraMaster lists it at $199.99, down from $249.99 (20% off). Sale prices change, so confirm the live price on terra-master.com.
Is there a coupon code for the D4 SSD?
TerraMaster's store-wide code ALEKSANDRBODNAR can be entered at checkout on terra-master.com. TerraMaster sets the discount, and some items or sale prices may be excluded.
What is TerraMaster's return policy?
Their published policy page covers warranty returns, which require proof of purchase and a return authorization number. A general change-of-mind return window isn't clearly spelled out.
How long does TerraMaster take to ship?
Free ground shipping on orders of $99 or more within the continental US (duties and taxes excluded). Orders ship within 48 hours and transit takes 3 to 5 business days.
Does the D4 SSD come with a warranty?
TerraMaster's published warranty terms: 12-month limited warranty in the US (24 months in the EU) against manufacturing defects for the original buyer. TerraMaster repairs or replaces defective parts, but you pay shipping to them, and data loss is not covered.
Where can I buy the D4 SSD?
The D4 SSD is sold directly by TerraMaster on terra-master.com. The Shop now button on this page goes straight to the product there, and code ALEKSANDRBODNAR can be applied at checkout.
Is the D4 SSD in stock?
Yes. TerraMaster lists it as in stock on terra-master.com as of our latest check. Stock and prices refresh throughout the day.
Is TerraMaster a legit store?
TerraMaster is a strong pick if you want a capable NAS or multi-bay enclosure and care more about hardware per dollar than about the most polished software ecosystem. Skip it if a long warranty matters most, since the standard US coverage is 12 months and you pay to ship units in for service. Check exactly which drives and RAM your model supports before you buy. Our full TerraMaster review covers shipping, returns and what to check before ordering.
Is the D4 SSD expensive?
At $199.99 it is on the affordable end of TerraMaster's range ($19.99 to $9,999 across 71 products), and similar items from other brands run $36.99 to $319.99.

More from TerraMaster

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