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Ubiquiti UNAS-4-B NAS Servers Ubiquiti Unas-4-b Nas Storage System - Arm Cortex A55 Quad-core (4 Core) 1.70 Ghz - 4 X Hdd Supporte Unas4b

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.



CPN:UNAS 4 Black
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.

ManufacturerUbiquiti Inc.
Manufacturer Part NumberUNAS-4-B
Manufacturer Website Addresshttp://www.ui.com
Brand NameUbiquiti
Product LineUNAS
Product ModelUNAS-4-B
Product NameUNAS-4-B NAS Storage System
Product TypeNAS Storage System
Storage:
Number of Hard Drives Supported4
Number of Hard Drives Installed0
Number of Solid State Drive Supported2
Number of Solid State Drive Installed0
Total Solid State Drive Capacity Supported2 TB
Processor & Chipset:
Processor ManufacturerARM
Processor TypeCortex A55
Processor CoreQuad-core (4 Core)
Processor Speed1.70 GHz
Memory:
Standard Memory4 GB
Network & Communication:
Ethernet Technology2.5 Gigabit Ethernet
I/O Expansions:
Number of Total Expansion Bays4
Number of 2.5"/3.5" Bays4
Controllers:
Controller TypeNVMe
RAID SupportedYes
RAID Levels5, 6, 10
Interfaces/Ports:
Drive InterfacePCI Express NVMe
Total Number of USB Ports1
Network (RJ-45)Yes
Number of Network (RJ-45) Ports1
Management & Protocols:
ProtocolsNFS
SMB
CIFS/SMB
Power Description:
Maximum Power Supply Wattage90 W
Physical Characteristics:
Height8.8"
Width5.1"
Depth9.7"
Form FactorDesktop
Compatible Drive Bay Width3.5"
Weight (Approximate)5.73 lb

Date Inserted: Friday September 26, 2025

This product was last updated on Friday April 24, 2026

All products are brand new and factory sealed unless otherwise stated.
 *** Disclaimer- Information is supplied by the Manufacturer. The image, including color, may differ from actual product appearance. CompSource, Inc. is not responsible for data. ***

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(Delivery within 2-7 business days)

Two Day Air = $29.00
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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

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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

Ubiquiti  
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 is an American technology company started in 2005. Based in New York, NY, Ubiquiti manufactures wireless data communication products for enterprise and wireless broadband providers with a primary focus on under-served and emerging markets.
    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.

    Here are some of the most popular Ubiquiti categories offered from CompSource;

    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

    CompSource offers solutions for anywhere data lives! Since our start in 1991 we have seen massive changes and efficiency's in traditional Hard Drive storage. Now we are seeing Hard Drives that use flash memory with no moving parts to drastically improve speed called SSD Drives. Recently released even faster speeds and longevity from Intel Optane Drives!

    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.


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