Powerful 12th Gen Processor: The U4-500 1U 4Bay NAS server is equipped with a Core i3-1215U processor (6 cores, 8 threads, up to 4.4GHz turbo) for business-grade performance.
Next-Gen DDR5 Memory: The U4-500 NAS storage possesses an 8GB DDR5 RAM, ensuring smooth multitasking and efficient handling of demanding workloads.
NVMe Accelerated Performance: The U4-500 NAS has dual M.2 NVMe slots with Hyper Cache technology dramatically boost storage efficiency, delivering faster backups and data access ideal for performance-driven SMBs.
Advanced Hardware Acceleration: Features Intel UHD Graphics (1.1GHz) with AES-NI hardware encryption for secure, accelerated data processing.
Dual 10GbE Network Connectivity: The U4-500 NAS enclosure features dual 10GbE ports with 20Gbps aggregate bandwidth and SMB multichannel support for ultra-fast transfers.
Enterprise-Class Storage Performance: This 1U rack mount backup server delivers 2090MB/s sequential writes and 450MB/s 4K random IOPS - ideal for 4K video production and virtualization.
Flexible RAID Configurations: The 4-bay NAS supports RAID 0/1/5/6/10, TRAID, and TRAID+ for online capacity expansion without downtime.
+
+
Overview
Specs
Reviews
TERRAMASTER U4-500 NAS Storage - 4Bay Core i3 1215U Ultra-Short 1U Rackmount NAS, 8GB DDR5 RAM, Dual 10GbE Ports, Network Attached Storage Peak Performance for Business (Diskless)
Learn more about the Terra Master U4-500, 4Bay 1U 6Core CPU 8GB RAM
Model
Brand
Terra Master
Model
U4-500, 4Bay 1U 6Core CPU 8GB RAM
Type
Rack Mount (4Bay, 1U)
Interfaces
Ports
1 × (HDMI 2.0)
Port RJ-45
10 GbE Port x 2
Port USB
USB 3.2 (10Gbps) x 4
Port Others
2 × M.2 SSD Slot (PCIe 4.0 x4)
Configuration
Form Factor
4-Bay
Operating System
TOS 6/7
Processor
6-Core Core i3
Installed Memory
8GB DDR5 RAM
Max Memory Capacity
Upgradable to 64GB
Memory Slot
2 × M.2 SSD Slot
Hard Drive Performance
Included HDD Capacity
Diskless System
Max Capacity
96 TB (24TB x 4, RAID 0)
RAID
RAID 0/1/5/6/10; TRAID/TRAID+
Power
Power Consumption
40W(Access),20W(Hibernation)
Dimensions & Weight
Dimensions
14.2"D x 17.3"W x 1.77"H
Weight
14.7LB
Additional Information
First Listed on Newegg
May 20, 2026
Customer Reviews of the Terra Master U4-500, 4Bay 1U 6Core CPU 8GB RAM
There are no reviews yet.
Do you own this product?
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.