Free Shipping on most orders over $100!*
Your Shopping CartYour Shopping Cart: 0 Items Your Shopping CartYour Shopping Cart: 0 Items

Your cart is empty.

Call the Mac experts! (888) 769-7629
Sign up for our Max Mail Newsletter!
Meet Max the Sasquatch
Apple Authorized Reseller

4-Bay 1u ISCSI NAS 2.41ghz Hot Swap 1gb Ddr3l 8gb SATA 2xg / Mfr. No.: Ts-451u-Us

4-Bay 1u ISCSI NAS 2.41ghz Hot Swap 1gb Ddr3l 8gb SATA 2xg / Mfr. No.: Ts-451u-Us
Qty. Available: 10+
Item Number: qna-ts451uus
Vendor Number: TS-451U-US
Vendor: Qnap
Free shipping on this item
Chat with or call a Mac expert at 1-888-769-76291-888-769-7629
Shipping: Usually ships within 24 hours.

The TS-451U, featuring the easy-to-use QTS operating system, is an affordable, reliable and scalable 4-bay rackmount NAS designed for small offices and home offices, assisting in daily operations including file storage, backup, sharing, synchronization, and more. The TS-451U supports SATA 6Gb/s drives and delivers high performance with persistent throughput, providing a comprehensive storage solution for users to build a private cloud to access their data easily.

  • Manage, share, and back up business data with Real-time Remote Replication (RTRR)
  • Enhanced data security with high-performance AES 256-bit encryption and anti-virus
  • Expand the total raw storage capacity up to 128TB with the economical UX-1200U-RP QNAP expansion enclosure
  • Use the TS-451U with exclusive QvPC Technology
  • Run multiple Windows/Linux/UNIX/Android-based virtual machines with the Virtualization Station
  • Transcode Full HD videos on-the-fly or offline with QNAP's unique transcoding technology
  • Creatively present your animated content and advertisements with the Signage Station
Dual-core 2.41GHz processor for higher performance

Powered by a 22nm 64-bit dual-core Intel® Celeron® 2.41GHz processor with 1GB energy-efficient DDR3L RAM (upgradable to 8GB), coupled with the support of SATA 6Gb/s, 2 Gigabit LAN ports and HDMI output, the TS-451U is a powerful NAS that delivers up to 224 MB/s read & write speeds with dual LAN ports. The TS-451U can also automatically increase the processor's clock rate from 2.41GHz to 2.58GHz when needed for CPU-intensive tasks. The TS-451U's fast encryption and decryption performance provides transfer speeds of up to 128 MB/s with AES-256 bit volume encryption, boosting system performance & security while ensuring the safety of sensitive data stored in the TS-451U.

QTS - Simple and efficient

Thanks to the intuitive user interface of QTS, system operations of the TS-451U are smooth and handy. Its intelligent desktop allows you to find desired functions quickly, create desktop shortcuts or group shortcuts, monitor important system information on a real-time basis, and open multiple application windows to run multiple tasks concurrently, bringing greater operating efficiency.

SSD cache acceleration

The TS-451U supports SSD caching which can greatly boost IOPS performance of storage volumes. It is perfect for improving overall workflow of IOPS-demanding applications such as virtualization.

Economical storage expansion with scale-up solution

The TS-451U offers a high performance yet affordable storage solution to fulfill the needs of business in archiving rapidly growing data & large files. The TS-451U supports capacity expansion by connecting a QNAP expansion enclosure. With the QNAP scale-up solution, the raw storage capacity can be expanded on demand, making the TS-451U an ideal file center with a large storage capacity for business data.

Monitor and manage multiple NAS with Q'center

Q'center turns your TS-451U into a central management system to manage multiple Turbo NAS units. After installing Q'center in QTS App Center, you can use the TS-451U to centrally manage multi-site Turbo NAS for monitoring system logs and managing firmware update and maintenance, and enjoy major benefits including ease-of-use, cost-efficiency, convenience and flexibility. Managing multiple Turbo NAS becomes so easy and efficiently.

General Information

ManufacturerQNAP Systems
Manufacturer Part NumberTS-451U-US
Manufacturer Website Address
Product LineTurbo NAS
Product SeriesTS-x51
Product ModelTS-451U
Product NameTurbo NAS TS-451U NAS Server
Product TypeNAS Server

Additional Product Specifications

Full Product SpecificationsClick to view


Number of Hard Drives InstalledNo

Processor & Chipset

Processor ManufacturerIntel
Processor TypeCeleron
Processor CoreDual-core (2 Core)
Processor Speed2.41 GHz


Standard Memory1 GB
Memory TechnologyDDR3L SDRAM

Network & Communication

Ethernet TechnologyGigabit Ethernet

I/O Expansions

Number of Total Expansion Bays4
Number of 2.5"/3.5" Bays4


Controller TypeSerial ATA/600
RAID SupportedYes
RAID Levels0, 1, 5, 6, 10, 5+Spare, JBOD


Total Number of USB Ports5
Number of USB 2.0 Ports1
Number of USB 3.0 Ports4
Network (RJ-45)Yes


Operating SystemQTS 4.1

Management & Protocols


Physical Characteristics

Form FactorRack-mountable
Rack Height1U
Weight (Approximate)16.82 lb
Check Out with PayPal