Ubiquiti UNAS-4-B NAS Storage System - ARM Cortex A55 Quad-core (4 Core) 1.70 GHz - 4 x HDD Supported - 0 x HDD Installed - 2 x SSD Supported - 2 TB Supported SSD Capacity - 0 x SSD Installed - 4 GB RAM - NVMe Controller - RAID Supported - 5, 6, 10 R
Ubiquiti UNAS-4-B NAS Storage System - ARM Cortex A55 Quad-core (4 Core) 1.70 GHz - 4 x HDD Supported - 0 x HDD Installed - 2 x SSD Supported - 2 TB Supported SSD Capacity - 0 x SSD Installed - 4 GB RAM - NVMe Controller - RAID Supported - 5, 6, 10 R
Part Number: UNAS-4-B
Condition: New
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Product Specifications
Ubiquiti UNAS-4-B NAS Storage System - ARM Cortex A55 Quad-core (4 Core) 1.70 GHz - 4 x HDD Supported - 0 x HDD Installed - 2 x SSD Supported - 2 TB Supported SSD Capacity - 0 x SSD Installed - 4 GB RAM - NVMe Controller - RAID Supported - 5, 6, 10 R
UNAS 4 Black
Manufacturer Part Number: UNAS-4-B
UniFi Network Attached Storage with (4) 2.5/3.5" HDD bays, (2) M.2 NVMe SSD cache slots, 2.5 GbE networking, USB-C connectivity, and an included PoE+++ adapter, all in a compact footprint.
MANUFACTURER NAME: Ubiquiti
MANUFACTURER PART NUMBER: UNAS-4-B
UPC EAN CODE:
LANGUAGE: EN
MARKET:US
| General Information: | |
UniFi Network Attached Storage with (4) 2.5/3.5" HDD bays, (2) M.2 NVMe SSD cache slots, 2.5 GbE networking, USB-C connectivity, and an included PoE+++ adapter, all in a compact footprint. | |
| Manufacturer | Ubiquiti Inc. |
| Manufacturer Part Number | UNAS-4-B |
| Manufacturer Website Address | http://www.ui.com |
| Brand Name | Ubiquiti |
| Product Line | UNAS |
| Product Model | UNAS-4-B |
| Product Name | UNAS-4-B NAS Storage System |
| Product Type | NAS Storage System |
| Storage: | |
| Number of Hard Drives Supported | 4 |
| Number of Hard Drives Installed | 0 |
| Number of Solid State Drive Supported | 2 |
| Number of Solid State Drive Installed | 0 |
| Total Solid State Drive Capacity Supported | 2 TB |
| Processor & Chipset: | |
| Processor Manufacturer | ARM |
| Processor Type | Cortex A55 |
| Processor Core | Quad-core (4 Core) |
| Processor Speed | 1.70 GHz |
| Memory: | |
| Standard Memory | 4 GB |
| Network & Communication: | |
| Ethernet Technology | 2.5 Gigabit Ethernet |
| I/O Expansions: | |
| Number of Total Expansion Bays | 4 |
| Number of 2.5"/3.5" Bays | 4 |
| Controllers: | |
| Controller Type | NVMe |
| RAID Supported | Yes |
| RAID Levels | 5, 6, 10 |
| Interfaces/Ports: | |
| Drive Interface | PCI Express NVMe |
| Total Number of USB Ports | 1 |
| Network (RJ-45) | Yes |
| Number of Network (RJ-45) Ports | 1 |
| Management & Protocols: | |
| Protocols | NFS
SMB CIFS/SMB |
| Power Description: | |
| Maximum Power Supply Wattage | 90 W |
| Physical Characteristics: | |
| Height | 8.8" |
| Width | 5.1" |
| Depth | 9.7" |
| Form Factor | Desktop |
| Compatible Drive Bay Width | 3.5" |
| Weight (Approximate) | 5.73 lb |
Questions and Answers
Questions and Answers | Ask CompSource |
Shipping / Returns
Shipping
Ground =
FREE
(Delivery within 2-7 business days)
Two Day Air = $29.00
(Delivery within 2 business days)
Priority = $78.00
(Delivery within next business morning)
U.S Mail Priority (AA,AE,AP only) = $41.00
FedEx International Economy (Canada only) = $89.00
Typically out of stock items are filled within 1 to 14 business days but can and may take longer.
Shipping dates are best estimates based on product location and may vary with holidays.
If product requires trucking, additional fees may apply.
Saturday shipping is possible, Please contact sales for more information
* Some destinations are subject to Applicable State/Duty Taxes
Returns
CompSource realizes that every product may have different return guidelines. Please see the policy below regarding this item.
Please Note: Due to Ubiquiti's Policy this product is not available for return or exchange and must be handled with Ubiquiti Direct.
For support on this product, please contact Ubiquiti. http://www.ubnt.com
Ubiquiti Company's Information
Click Ubiquiti for all products
Local #: (408) 942-3085
Tech Support #: (949) 682-0251
Site: http://www.ubnt.com
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About Ubiquiti
Ubiquiti Networks designs and manufactures disruptive technology platforms for emerging markets that drive profitable business models and enable ubiquitous connectivity.
Ubiquiti Networks, Inc. develops performance networking technology for service providers and enterprises. The Company offers a portfolio of networking products and solutions. Its service provider product platforms provide carrier-class network infrastructure for fixed wireless broadband, wireless backhaul systems and routing. Its enterprise product platforms provide wireless local area network (WLAN) infrastructure, video surveillance products, switching and routing solutions, and machine-to-machine communication components. Its products and solutions include radios, antennas, software, communications protocols and management tools that are designed to deliver carrier and enterprise class wireless broadband access and other services primarily in the unlicensed radio frequency spectrum. Its service provider and carrier solutions include Base Station/Backhaul/Customer Premise Equipment (CPE)/Bridge-airMAX, Network Routing Platform-EdgeMAX and Point-to-point Wireless Backhaul-airFiber.
Ubiquiti Networking Solutions at CompSource
Ubiquiti is a leader in high-performance networking hardware, trusted by IT professionals, businesses, and service providers worldwide. Known for its innovative product lines like UniFi, UISP, EdgeMAX, and airMAX, Ubiquiti delivers cost-effective, enterprise-grade solutions that simplify network management and scale seamlessly.
Whether you're upgrading your office Wi-Fi, deploying outdoor wireless backhaul, or building a secure surveillance network, Ubiquiti products offer reliable connectivity, advanced performance, and centralized control.
- Ubiquiti Wireless Access Points – Scalable, high-speed Wi-Fi coverage
- UniFi Switches and Gateways – Advanced routing and flexible network management
- airMAX Antennas and Bridges – Ideal for long-range, point-to-point communication
- UniFi Protect – Easy-to-manage surveillance and security camera systems
As an authorized Ubiquiti reseller, CompSource offers a wide selection of in-stock models, competitive pricing, and expert support to help you find the right solution. Whether you're a small business, campus, ISP, or DIY tech enthusiast, our team is ready to assist.
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Need help deciding what's best for you? You Chat with us or give our professionals a quick phone call (800)-413-7361, we can assist with the best solution for your needs and budget!
Learn more about NAS Servers
Data is extremely valuable please consider backing up your storage, here are some options from good to best options.
Flash, Thumb, or USB Drives, External Hard Drives or NAS Servers.
We want this to be as easy and stress-free as possible. That's why we're offering to install everything for you. The expertly trained professionals from Buy It Installed provide high-quality service and will get everything up and running with little to no hassle on your end.
We're here to help you decide. Chat with us or give our professionals a quick phone call (800)-413-7361, we can assist with the best solution for your needs and budget.
Thank you very much for your follow-up – rare these days – that’s what I call outstanding customer service! gwallMore Reviews



















