TerraMaster U16-725 Plus

TerraMaster U16-725 Plus
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Site Score
4.3 / 5.0
Buyer Guidance: A capable 16-bay 3U rackmount storage solution with immense 50Gbps networking and 1TB ECC memory scalability, though enterprise administrators should budget for immediate memory upgrades and an optional redundant power module.
Mizex Audit Breakdown
Engineering & Core Performance (30%) 4.4 / 5.0
Build Quality & Physical Design (20%) 4.3 / 5.0
Thermal, Power & Acoustics (20%) 4.1 / 5.0
Reliability & Stability (20%) 4.4 / 5.0
Buyer Value (10%) 4.3 / 5.0
Score Rationale
The composite score of 4.3 is anchored by robust engineering and architecture (4.4), pairing an 8-core Intel Xeon D-2733NT processor with 50Gbps of aggregate networking via quad 10GbE SFP+ and dual 5GbE ports, triple PCIe 4.0 M.2 slots, and three PCIe expansion slots. Build quality (4.3) delivers a rigid 16-bay 3U rackmount steel enclosure optimized for standard enterprise cabinets. Thermal and acoustic management (4.1) leverages directed high-volume rackmount server cooling to support sustained multi-drive workloads, with empirical decibel testing pending chamber isolation. Real-world reliability (4.4) is bolstered by ECC memory architecture, stable TOS 7 system software, and optional power redundancy, while buyer value (4.3) balances immense scalability up to 1TB of ECC RAM against an anemic 16GB base memory configuration and an optional rather than standard secondary power supply.
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Overview

The TerraMaster U16-725 Plus is a 3U rackmount enterprise network-attached storage solution designed for high-density storage applications, multi-user virtualization, and intensive network-attached backup workflows. At its core is an 8-core, 16-thread Intel Xeon D-2733NT processor operating at up to 3.2 GHz turbo frequency, driving an architecture optimized for substantial I/O throughput. Network connectivity is exceptionally broad, delivering 50Gbps of aggregate bandwidth via four 10GbE SFP+ ports and two 5GbE RJ45 connections. For storage acceleration, the motherboard integrates three dedicated M.2 PCIe 4.0 NVMe SSD slots for high-throughput cache provisioning alongside three full-height PCIe expansion slots for supplemental controller or interface cards.

Chassis construction utilizes a heavy-gauge 3U rackmount steel frame designed for structural rigidity and consistent drive tray alignment across all sixteen hot-swappable drive bays. System cooling relies on dedicated server-grade chassis fans engineered to force steady airflow through the front drive cage, over the PCIe expansion bays, and across the actively cooled processor heatsink. While comprehensive acoustic chamber decibel measurements and under-load thermal telemetry await independent retail physical teardowns, the layout follows proven enterprise rackmount thermal practices powered by an 800W power supply with support for an optional redundant module.

Running TerraMaster’s TOS 7 platform, the system supports modern storage pool architectures, snapshot management, and hardware virtualization. Expandability is a defining attribute, offering eight DIMM slots that support up to 1TB of registered DDR4 ECC memory. While enterprise administrators will note that the baseline configuration includes only 16GB of RAM and requires an optional purchase for true power supply redundancy, the platform delivers exceptional scalability, architectural versatility, and raw networking bandwidth for high-capacity deployment environments.

Technical Specifications

Form Factor 3U Rackmount
Drive Bays 16 bays
Processor Intel Xeon D-2733NT
Cpu Cores 8
Cpu Threads 16
Cpu Base Clock 2.1 GHz
Cpu Turbo Clock 3.2 GHz
Memory Installed 16GB DDR4 ECC
Memory Maximum 1TB DDR4 ECC
Memory Slots 8 DIMM slots
M2 Slots 3x M.2 PCIe 4.0 NVMe SSD slots
Pcie Expansion 3x PCIe expansion slots
Networking 4x 10GbE SFP+, 2x 5GbE RJ45
Total Network Bandwidth 50Gbps
Power Supply 800W (redundant power supply option available)
Operating System TOS 7
✔ Pros
  • High-density 16-bay 3U rackmount enclosure powered by an 8-core Intel Xeon D-2733NT processor
  • Massive 50Gbps aggregate network throughput featuring quad 10GbE SFP+ and dual 5GbE interfaces
  • Expansive memory ceiling supporting up to 1TB DDR4 ECC across 8 DIMM slots
  • Triple onboard M.2 PCIe 4.0 NVMe slots for dedicated high-speed SSD caching alongside 3 PCIe expansion slots
✖ Cons
  • Base configuration ships with only 16GB of ECC RAM, necessitating aftermarket upgrades for heavy workloads
  • Redundant power supply capability is an optional add-on rather than included as standard equipment
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