Side-by-Side Comparison
TERRAMASTER F4-425 Pro vs UGREEN AI NAS iDX6011 Pro 64GB
Standardized 5-pillar engineering audit, thermal telemetry, verified longevity metrics, and complete technical specification diff.
▲ DOCUMENTED QUIRKS
Composite Score:
4.3
/ 5.0
High-density 4-bay NAS powered by an efficient 8-core Intel N350 and dual 5GbE, tempered by PCIe 3.0 x1 bandwidth limits on its triple M.2 NVMe slots.
★ Recommended Winner
● HIGHLY RATED
Composite Score:
4.4
/ 5.0
Formidable 6-bay hybrid storage server combining Core Ultra 7 silicon, dual 10GbE, and OCuLink expansion with robust chassis rigidity, offset only by non-upgradeable soldered RAM.
⚖️
Mizex Comparative Audit Verdict
The UGREEN AI NAS iDX6011 Pro 64GB achieves the higher Mizex Composite Score (4.4 vs 4.3), leading across 4 of 5 engineering pillars. With an advantage in Engineering & Architecture, Build Quality & Materials, Thermal, Power & Acoustics, Real-World Reliability, it represents the stronger technical recommendation.
5-Pillar Engineering Telemetry
Detailed comparison across standardized normalized 1.0 – 5.0 engineering pillars.
TERRAMASTER F4-425 Pro
UGREEN AI NAS iDX6011 Pro 64GB
Engineering & Architecture
(30%)
Winner: UGREEN AI NAS iDX6011 Pro 64GB (+0.5)
4.2
4.7
Build Quality & Materials
(20%)
Winner: UGREEN AI NAS iDX6011 Pro 64GB (+0.1)
4.3
4.4
Thermal, Power & Acoustics
(20%)
Winner: UGREEN AI NAS iDX6011 Pro 64GB (+0.1)
4.2
4.3
Real-World Reliability
(20%)
Winner: UGREEN AI NAS iDX6011 Pro 64GB (+0.1)
4.4
4.5
Buyer Value & Upgrades
(10%)
Winner: TERRAMASTER F4-425 Pro (+0.3)
4.4
4.1
TERRAMASTER F4-425 Pro: Strengths & Caveats
✔ Advantages
- Efficient 8-core Intel Core 3 N350 processor paired with 16 GB DDR5 4800 MHz memory
- Dual 5GbE Ethernet interfaces provide multi-gigabit throughput without high thermal overhead
- Triple M.2 2280 NVMe slots alongside four SATA bays enable flexible hybrid storage tiering
- Updated TOS 7 operating system based on Linux Kernel 6.12 with BTRFS and T-RAID support
✖ Documented Caveats
- M.2 NVMe slots are constrained to PCIe 3.0 x1 bandwidth
- Lacks native 10GbE connectivity for higher-bandwidth networking environments
- Integrated HDMI video port remains underutilized in native TOS software
UGREEN AI NAS iDX6011 Pro 64GB: Strengths & Caveats
✔ Advantages
- High-performance 16-core Intel Core Ultra 7 255H processor with integrated 9 TOPS NPU for local LLMs and virtualization
- Extensive high-speed networking and expansion options including dual 10GbE, dual Thunderbolt 4, OCuLink, and PCIe x8
- Substantial storage capacity across six SATA bays (up to 196TB), dual M.2 NVMe slots, and a dedicated 128GB OS SSD
- Integrated 3.71-inch front LCD panel for immediate hardware diagnostics and network status monitoring
✖ Documented Caveats
- System memory is soldered LPDDR5/x, preventing post-purchase RAM upgrades
- Substantial chassis weight exceeding 19.84 lbs (>9 kg) before installing storage drives
Technical Specification Comparison
Side-by-side spec alignment. Rows highlighted with subtle shading denote differing specifications.
| Specification | TERRAMASTER F4-425 Pro | UGREEN AI NAS iDX6011 Pro 64GB |
|---|---|---|
| Brand DIFF | TERRAMASTER | UGREEN |
| Model DIFF | F4-425 Pro | AI NAS iDX6011 Pro 64GB |
| Processor DIFF | Intel Core 3 N350 (8 cores, 8 threads, up to 3.9 GHz, 7W base power) | Intel Core Ultra 7 255H (16 cores / 16 threads, up to 5.1 GHz, 28W TDP, 9 TOPS NPU) |
| Memory DIFF | 16 GB DDR5 4800 MHz SO-DIMM (expandable up to 32 GB) | — |
| Drive Bays DIFF | 4x 3.5"/2.5" SATA 6 Gbps | 6x SATA 3.5"/2.5" bays |
| M.2 Slots DIFF | 3x M.2 2280 PCIe 3.0 x1 NVMe | — |
| Maximum Storage Capacity DIFF | Up to 144 TB HDD (4x 30 TB) + 24 TB NVMe (3x 8 TB) | 196TB |
| Supported RAID Levels DIFF | Single Disk, JBOD, RAID 0, 1, 5, 6, 10, T-RAID, T-RAID+ | — |
| SSD Cache Support DIFF | Optional SSD Read or Write caching | — |
| Networking DIFF | 2x 5GbE Ethernet | — |
| USB Ports DIFF | 3x USB 3.2 Gen 2 (10 Gbps) Type-A | — |
| Video Interface DIFF | HDMI | — |
| Internal File Systems DIFF | BTRFS, EXT4 | — |
| External File Systems DIFF | NTFS, BTRFS, HFS+, EXT4, EXT3, FAT32 | — |
| Operating System DIFF | TOS 7 (Linux Kernel 6.12.63+) | — |
| System Memory DIFF | — | 64GB LPDDR5/x (soldered) |
| M.2 NVMe Slots DIFF | — | 2x M.2 NVMe slots |
| Dedicated OS Storage DIFF | — | 128GB internal SSD |
| RAID Levels Supported DIFF | — | JBOD, Basic, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10 |
| Ethernet Connectivity DIFF | — | 2x 10GbE ports |
| Thunderbolt Connectivity DIFF | — | 2x Thunderbolt 4 ports |
| USB Connectivity DIFF | — | 2x USB 3.0, 2x USB 2.0 |
| PCIe Expansion DIFF | — | 1x PCIe x8 slot |
| OCuLink Expansion DIFF | — | 1x OCuLink port |
| Media Card Slot DIFF | — | 1x SD 4.0 card reader |
| Display Output DIFF | — | 1x HDMI (up to 8K) |
| Diagnostic Screen DIFF | — | 3.71-inch integrated LCD |
| Chassis Weight DIFF | — | >19.84 lbs (>9 kg) unpopulated |
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