Areca ARC-8050T3U-4A – 104TB
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Areca ARC-8050T3U-4A – 104TB
Compact 4-Bay Thunderbolt 3 and USB 3.2 Gen 2 Hardware RAID Array (4 x 26.0 TB Enterprise Drives Fitted - 7200rpm, 5yr Warranty). External PSU Version.
The Areca ARC-8050T3U-4A is a 4-bay desktop RAID enclosure providing 104TB of storage via Thunderbolt 3 connectivity.
It supports hardware RAID levels including 0, 1, 10, 3, 5, 6, Single Disk, and JBOD for flexible data protection and performance.
Dual Thunderbolt 3 ports enable daisy-chaining and high-speed 40 Gbps transfers, compatible with macOS and Windows systems.
- 800 MHz single-core SAS ROC processor with 1GB DDR3-800 cache.
- Supports 4 x 3.5″/2.5″ 6Gb/s SAS/SATA drives.
- Includes DisplayPort, RJ45 Gigabit Ethernet, and front LCD for management.
- Compact dimensions: 4.84 x 6.51 x 9.11 inches.
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Category: Desktop Hard Drives & RAIDs
Brand: Areca Technology
We’re the UK’s #1 Areca Reseller!
We pride ourselves on knowing, selling and supporting Areca RAIDs & Controllers better than anyone else in the UK!
All our Areca RAIDs ship pre-configured & tested (RAID5 or RAID6, for Mac or PC). Please allow us 1-2 days to do this for you for free.
Seen a better price elsewhere? Let us know & we’ll do our best so you also benefit from our Areca knowledge, expertise & totally free after-sales support.
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Areca ARC-8050T3U-4A – 104TB Product Overview
The Areca ARC-8050T3U-4A – 104TB is a 4-bay Thunderbolt 3 hardware RAID storage solution designed for high-performance data workflows.
It delivers up to 40 Gbps transfer speeds via dual Thunderbolt 3 USB-C ports, supporting direct attachment to Macs and PCs for 4K/8K video editing, content creation, and enterprise storage needs.
Connectivity and Compatibility
The enclosure features two Thunderbolt 3 ports for host connection and daisy-chaining up to five additional devices, plus a full-size DisplayPort 1.4 for 8K 30Hz video output.
A USB device controller enables USB 3.2 Gen 2 compatibility when connected to USB-C ports, ensuring broad system support including Apple M1 silicon.
RAID and Processing Capabilities
Powered by an 800 MHz single-core SAS ROC processor and 1GB DDR3-800 on-board cache, it handles RAID operations independently without taxing host CPU resources.
Supported RAID levels include 0, 1, 10, 3, 5, 6, Single Disk, and JBOD, with configuration via Thunderbolt, LAN port, or front-panel LCD.
Drive Support and Thermal Management
It accommodates four 3.5-inch or 2.5-inch 6Gb/s SAS or SATA HDDs/SSDs, pre-configured here with drives totaling 104TB capacity.
A single low-noise 7200 RPM cooling fan maintains optimal temperatures, paired with a 135W-150W power supply for reliable operation.
Management and Security Features
Intelligent power on/off ensures data integrity, with support for hard drive firmware updates and SED self-encrypting drives.
Rear RJ45 Gigabit Ethernet port allows network-based monitoring and configuration.
Physical Design and Use Cases
Measuring 4.84 x 6.51 x 9.11 inches and weighing 8 lbs, the desktop form factor suits professional workstations for video production, data backup, and multi-stream editing.
Areca ARC-8050T3U-4A – 104TB Key Features
- High-performance 40 Gbps Thunderbolt 3 interface with dual USB-C ports for host connection and daisy-chaining.
- Supports simultaneous 4K input/output workflows and 8K 30Hz DisplayPort output.
- Hardware RAID levels: 0, 1, 10, 3, 5, 6, Single Disk, JBOD for speed and redundancy options.
- 800 MHz single-core SAS ROC processor with 1GB DDR3-800 cache for efficient multitasking.
- Four bays for 3.5"/2.5" 6Gb/s SAS/SATA drives, pre-populated with 104TB capacity.
- USB 3.2 Gen 2 compatibility via internal controller for broader host support.
- Front-panel LCD, Thunderbolt, and LAN configuration; RJ45 Gigabit Ethernet port included.
- Single low-noise 7200 RPM fan and 135W-150W power supply for quiet, reliable cooling.
- Apple M1 silicon fully supported; OS independent in USB mode.
- Compact desktop design: 4.84 x 6.51 x 9.11 inches, 8 lbs.
Areca ARC-8050T3U-4A – 104TB Technical Specifications
| Form Factor | Desktop 4-Bay |
| Host Interface | 2 x Thunderbolt 3 (40 Gbps USB-C), 1 x DisplayPort 1.4, 1 x RJ45 Gigabit Ethernet |
| Drive Bays | 4 x 3.5"/2.5" 6Gb/s SAS/SATA HDDs/SSDs |
| Capacity | 104TB (pre-configured) |
| I/O Processor | Single-Core 800 MHz SAS ROC |
| On-Board Cache | 1GB DDR3-800 |
| RAID Levels | 0, 1, 10, 3, 5, 6, Single Disk, JBOD |
| Expansion Port | N/A |
| Cooling | 1 x 7200 RPM low-noise fan (or 2700 RPM per manufacturer spec) |
| Power Supply | 135W-150W internal |
| Dimensions (W x H x D) | 4.84 x 6.51 x 9.11 in (123 x 165.6 x 232 mm) |
| Weight | 8.0 lbs / 3.6 kg |
| OS Support (Thunderbolt) | macOS 10.12 or later, Windows 8/10 or later |
| OS Support (USB) | OS Independent |
| Additional Features | USB 3.2 Gen 2 compatibility, SED support, HDD firmware update, intelligent power on/off |
Areca ARC-8050T3U-4A – 104TB Product Downloads
Areca Technology Delivery Information
In general, next working day delivery services (UK Mainland) are available on Areca equipment orders placed before 2pm (subject to stock availability).
We kindly advise you let us preconfigure each Areca RAID (as RAID5, RAID6 etc), so they arrive properly setup, ready to “plug’n’play”.
This is a free service, and takes 1-2 days prior to shipping.
Non-timed deliveries should be delivered between the hours of 9am and 6pm.
Orders placed after 2pm on Fridays and on weekends will be processed as normal the following Monday.
Orders placed on Bank Holidays will be processed the next working day.
If urgent, please call one of our helpful account managers so they may double check everything for you, enabling you to place your order with confidence.
Please note: these product details are for guide purposes only, and may contain errors.
We always recommend double-checking the product specs and features on the the manufacturer website, or contact us if unsure before ordering.

