TERRAMASTER D4-320 External Hard Drive Enclosure
4bay USB 3.2 Gen2 10Gbps Type-C USB Storage Hot Swappable Plug and Play (Diskless)
Price as of 2026-06-05. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$171–$285← You are here
- Mid-range:$285–$720
- Premium:$720+
Is This Right For You?
- •Budget-conscious shoppers — priced below 94% of NAS Storage
- •Rating sits in the bottom 29% of NAS Storage — higher-rated options exist
- •Seagate IronWolf 8TB NAS Internal Hard Drive HDD — higher rated at 4.5/5 ($300)
📊 Based on data analysis of 17 products in this category.
Mubboo Score: A-
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other NAS Storage
Computed from live Amazon rating, review count, and price across 17 NAS Storage available to US consumers · last refreshed 2026-06-05.
How It Compares
This Product TERRAMASTER D4-320 External Hard Drive Enclosure | Most Popular Seagate IronWolf 8TB NAS Internal Hard Drive HDD | Best Rated Synology DS223 Home & Office Backup Hub | Best Value UGREEN NAS DH2300 2-Bay Desktop NASync | |
|---|---|---|---|---|
| Price | $170.99 | $299.99 | $284.99 | $199.99 |
| Rating | 4.2/5 | 4.5/5 | 4.5/5 | 4.4/5 |
| Reviews | 528 | 12,663 | 883 | 774 |
| Mubboo Score | A- | A- | A- | A- |
Quick Specs
- Color
- Black
- Unit Count
- 4.0 Count
- Item Weight
- 1.3 Pounds
- Manufacturer
- TERRAMASTER
- Model Number
- D4-320
- Built-In Media
- Power Adapter, Quick Installation Guide, USB Cable
- Mfr Part Number
- D4-320
- Customer Reviews
- 4.1 out of 5 stars
What People Say
Synthesized from 40 reviews · 100% verified purchases.
Expect some operational noise from NAS drives; place them accordingly. Also, verify software update reliability and warranty replacement policies before purchasing.
- Easy setup and user-friendly operation
- Reliable performance and stability for NAS workloads
- Great value for the storage capacity
- Noticeable noise during operation
- Customer support and warranty process issues
- Software features breaking after updates
Expert Picks in NAS Storage
- Synology DiskStation DS225+ — Home users with multiple devices needing backup and media serving
- Synology DiskStation DS425+ — Professionals needing more storage or redundancy
- QNAP TS-216G — Budget home users needing simple network storage
- Kodi — Media streaming
- Open Media Vault — Home users and small businesses
- EasyNAS — First-time NAS users
Category recommendations from independent expert publications. Source links in References.
Related Video Reviews
- 📹 The BEST NAS of 2026.... ALREADY??? (UnifyDrive UP6) — NASCompares
- 📹 BEST NAS Devices in 2026 - Stop Paying for Cloud Storage! — Consumer Picks
Key Features
- ✦High-Speed Data Transmission: The D4-320 hard drive enclosure (a DAS, NOT a NAS) utilizes the USB 3.2 Gen2 protocol, achieving high-speed data transmission of up to 10Gbps. When eq…
- ✦Plug-and-Play Compatibility: The D4-320 USB storage supports 4 individual disks (NO RAID function), and is plug-and-play, eliminating the need for drivers. It is highly compatible …
- ✦Hot Swappable Convenience: The D4-320 HDD enclosure supports hot swapping, allowing users to replace hard disks without powering off the device. This feature enhances convenience a…
- ✦Tool-Free Hard Drive Management: Featuring a tool-free hard drive tray design, the D4-320 external HDD enclosure enables easy installation and removal of hard drives without requir…
- ✦Efficient Heat Dissipation and Quieter Operation: The D4-320 direct attached storage incorporates an intelligent temperature-controlled fan for optimal heat dissipation. Additional…
Source: product listing on Amazon.
About TERRAMASTER
- 4 products in our database
- Average rating: 4.3/5 across all products
- Price range: $170.99 – $2099.99
- Categories: NAS Storage
If not the D4-320 External Hard Drive Enclosure, consider these
Featured in Our Reviews
Bottom Line
TERRAMASTER D4-320 External Hard Drive Enclosure earns Mubboo Score A-. Priced at $171 — a budget-friendly option, below the category average of $482. Rated 4.2/5 from 528+ reviews. Strong buy if: budget-conscious shoppers. Skip if: rating sits in the bottom 29% of nas storage — Seagate IronWolf 8TB NAS Internal Hard Drive HDD (Score A-, $300) may fit better.
Frequently Asked Questions
Is the TERRAMASTER D4-320 External Hard Drive Enclosure worth buying in 2026?
It earns a Mubboo Score of A-, with a 4.2/5 rating from 528 reviews — better than 29% of NAS Storage we track.
How much does the TERRAMASTER D4-320 External Hard Drive Enclosure cost?
It is currently $170.99 — budget-tier pricing for NAS Storage.
How does the D4-320 External Hard Drive Enclosure compare to other NAS Storage?
The category's most-reviewed alternative is the Seagate IronWolf 8TB NAS Internal Hard Drive HDD (4.5/5, 12,663 reviews, $299.99). The D4-320 External Hard Drive Enclosure carries a Mubboo Score of A- vs A-.
Sources & References
Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-05) and may change.