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Terramaster F4-425 Plus 16GB — Review & Specs | Pricepect | Pricepect

Home Cloud Storage DevicesTerramaster F4-425 Plus 16GB

Terramaster F4-425 Plus 16GB — image 1

Terramaster

Terramaster F4-425 Plus 16GB

Expert Review Analysis

The TerraMaster F4-425 Plus is a hybrid 4‑bay NAS that blends up to 144 TB of raw HDD capacity with three NVMe M.2 slots for high‑speed caching, powered by an Intel N150 quad‑core CPU and 16 GB DDR5 RAM. It features dual 5 GbE ports, hardware 8K/4K transcoding, and a Linux‑based TOS6 OS, targeting home media, small offices, and lab enthusiasts.

✓ Best for: Home media server operators needing 4K/8K transcoding, small office or creative teams requiring large shared storage with fast cache, home‑lab enthusiasts running VMs and multiple services, and users who value expandability via M.2 and USB DAS.✗ Not ideal for: Enterprise environments that demand ECC memory or higher data‑integrity guarantees, power users seeking full‑bandwidth PCIe 4.0 NVMe performance, and anyone needing direct HDMI video output or an internal UPS solution.

Pros

✓Hybrid storage design combines up to 144TB raw capacity with NVMe SSD cache for both bulk storage and high‑speed access.
✓Dual 5GbE Ethernet ports enable ultra‑fast file transfers and future‑proof multi‑gigabit networking.
✓

Price History

Current

$649.99

Average

$613.65

Lowest

$599.99

Highest

$649.99

Price trend (90d):+8.3%

Best Seller Rank History

Now#11Best#9Worst#19 -2

Lower = better sales rank

Rating Trend

Rating4.2/ 5Reviews41+13 reviews

Specifications

Design

Height150 mm mm

Width181 mm mm

Depth219 mm mm

Weight2,900 g g

Case MaterialAluminum-alloy

Features

Hybrid Storage DesignCombines HDDs and NVMe SSDs for bulk capacity and cache

TRAID TechnologyProprietary RAID boosting read/write speeds by 30%

Dual 5GbE NetworkingSupports link aggregation and SMB Multichannel

AI-Driven Privacy ProtectionAI smart album for photo organization

Cloud IntegrationGoogle Drive, OneDrive, Dropbox, Baidu Cloud

General

BrandTerramaster

ManufacturerTERRAMASTER

ModelF4-425 Plus

ColorSilver

Size4 Bay

Network

Ethernet Ports2 x 5 Gigabit Ethernet

Performance

CPUIntel N150 quad-core, up to 3.6 GHz GHz

System Memory16 GB DDR5 GB

Maximum Memory32 GB DDR5 GB

GraphicsIntel UHD Graphics 24 EUs

Expected Read/Write Performance1020 MB/s MB/s

Ports

USB Ports3 x USB 3.2 Gen 2 Type-A (10Gbps) + 1 x USB 3.2 Gen 2 Type-C (10Gbps)

HDMI Port1 x HDMI 2.0b (system logs only)

Power

Power Supply90 W W

Software

Operating SystemTerraMaster OS 6 (TOS6) - Linux-based

Storage

HDD Bays4 hot-swap bays (3.5" or 2.5" SATA)

M.2 NVMe Slots3 slots (PCIe 3.0 x1)

Maximum HDD Capacity per Drive30 TB TB

Maximum SSD Capacity per M.2 Slot8 TB TB

Total Raw Storage Capacity144 TB TB

Research Sources

terra-master.com

terra-master.com

terra-master.com

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User Reviews

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4.2

(41 reviews)

$649.99

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F4-425 PlusSilver4Bay, F4-425 Plus 2 Years

Cloud Storage Devices

Intel N150 quad‑core CPU with 16GB DDR5 RAM provides strong processing power for media transcoding and virtual machines.

✓Three PCIe 3.0 x1 M.2 NVMe slots allow flexible caching or independent fast‑storage pools.

✓Hardware transcoding supports 8K@60fps and 4K@60fps, ensuring smooth playback for high‑resolution media.

Cons

✗M.2 slots are limited to PCIe 3.0 x1 lanes, restricting SSD performance compared to full‑bandwidth slots.
✗Non‑ECC DDR5 memory may be unsuitable for enterprise‑grade data integrity requirements.
✗HDMI 2.0b port is currently limited to system‑log display, offering no direct video output for users.
✗Power consumption relies on a 90W external brick, which may be less efficient than internal supplies.
✗Maximum memory upgrade is limited to 32GB DDR5, potentially capping future scalability.

From Expert Reviews

Praised by Experts

✓Reviewers highlight the combination of quad‑core processing and 16 GB DDR5 as a meaningful upgrade over prior models.
✓Dual 5GbE networking is praised as a standout feature at this price tier.
✓The three onboard M.2 slots are noted as a differentiator that enables advanced caching strategies.
✓Hardware transcoding performance for 4K/8K streams receives strong commendation.
✓Build quality and moisture‑protected packaging are positively mentioned.

Criticized by Experts

✗Professionals note the limitation of non‑ECC memory for certain enterprise scenarios.
✗The PCIe x1 bandwidth of the M.2 slots is criticized for limiting SSD speed potential.
✗HDMI functionality is deemed underutilized, serving only system logs.
✗The 90W external power brick adds to clutter and may affect energy efficiency.
✗Lack of internal battery or UPS support is mentioned as a drawback for uninterrupted operation.

From User Reviews

Users Love

✓Users appreciate the hybrid storage design that lets them store massive archives while keeping active projects on fast SSDs.
✓The dual 5GbE ports are frequently praised as future‑proof and faster than typical 2.5GbE NAS devices.
✓Home media enthusiasts highlight smooth 4K transcoding and reliable streaming via Plex or Emby.
✓Expandability via USB DAS and modular M.2 slots is valued for growing storage needs.
✓The solid aluminum‑alloy case and careful packaging receive positive remarks.

Users Complain About

✗Everyday users report that the M.2 slots' x1 lanes limit the real‑world speed of NVMe drives.
✗The HDMI port’s lack of video output is seen as a wasted feature.
✗Some customers mention that the non‑ECC DDR5 memory feels limiting for more demanding workloads.
✗The external 90W power brick is considered bulky and adds to cable clutter.
✗A few users note that the device’s fan can be audible under heavy load.

Expert Opinion

Professional reviewers consider the F4-425 Plus a well‑rounded, mid‑range NAS that delivers a notable performance uplift thanks to its Intel N150 processor, 16 GB DDR5 memory, and dual 5 GbE ports. The hybrid storage architecture and three M.2 slots are highlighted as differentiators, while the non‑ECC memory and limited M.2 bandwidth are cited as the main compromises.

What Users Say

Everyday users generally praise the device for its massive capacity, fast NVMe caching, and future‑proof 5 GbE networking, especially for home media and small‑office workflows. Recurring complaints focus on the limited SSD lane bandwidth, underused HDMI port, and the bulk of the external power brick.

Common Complaints

Limited PCIe x1 bandwidth on M.2 slots, non‑ECC DDR5 memory, HDMI port restricted to system logs, bulky external 90W power brick, and audible fan noise under load.

What People Are Saying

“can double as a home lab server with juice to spare”
YouTube reviewer

“TerraMaster's Best NAS Yet”
YouTube reviewer

How It Compares

The F4-425 Plus sits in the mid‑to‑prosumer NAS segment, offering more NVMe slots and dual 5 GbE ports than many competing 4‑bay units that typically provide only 2.5 GbE and one or two M.2 slots. Its Intel N150 processor and 16 GB DDR5 RAM place it above entry‑level models, while the lack of ECC memory and PCIe x1 M.2 lanes keep it from reaching true enterprise performance levels.

Software Feature

AI Smart AlbumAI‑driven photo organization within TOS6

Software Integration

CloudSyncIntegration with Google Drive, OneDrive, Dropbox, Baidu Cloud

Transcoding

Hardware Transcoding Capability8K@60fps and 4K@60fps support for H.264, H.265, MPEG‑4, VC‑1

Security

Encryption EngineAES‑NI hardware encryption

RAID Technology

TRAIDProprietary RAID claiming 30% speed boost and enhanced reliability

Dimensions & Weight

Height5.905511805 inches

Width7.1259842447 inches

Depth8.6220472353 inches

Weight6.393405598 pounds

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