QNAP TVS-EC2480U-SAS-RP R2 is the world's first unified NAS supporting Auto Tiering to deliver ongoing optimization of data across high-performance SSD, 12Gbps SAS drives and high-capacity SATA disks. Powered by an Intel® Xeon E3 CPU, the 40GbE-ready TVS-EC2480U-SAS-RP R2 delivers exceptional performance and supports cross-platform file sharing, comprehensive backup solutions, iSCSI & virtualization applications, and more practical business functions. With the powerful QTS operating system, the TVS-EC2480U-SAS-RP R2 performs as a reliable, scalable and unbeatable unified and tiered storage solution for businesses.

 â–º Built-in 10GbE, highly-efficient storage solution with high speed network for HD video editing and sharing
 â–º 3,800+ MB/s throughput and 267,000+ IOPS
 â–º Qtier Technology drives Auto Tiering for optimal storage efficiency
 â–º Built-in 256GB mSATA modules for caching, beneficial to IOPS-demanding applications
 â–º Scalable design, up to 1,216 TB total capacity
 â–º Virtualization-ready, centralized data storage, backup, sharing and disaster recovery
 â–º Backward compatible with SAS/SATA 6Gbps drives
 â–º 5 year warranty - Global warranty inclusive
CPU : Intel® Xeon® E3-1246 v3 Family 3.5 GHz Quad-core Processor
Memory : Total memory slots: 4
System memory: 16 GB DDR3 non-ECC RAM
Memory module pre-installed: 8 GB x2
Memory expandable up to: 32 GB (8GB x4)
1. When upgrading RAM to more than 28GB, the original 4GB RAM modules must be removed.
Flash Memory : 512MB DOM
Internal Cache Port : Two mSATA port on board for read caching. The standard system is shipped with two 128GB mSATA flash.
Hard Drive : 24 x 3.5-inch SAS 12Gbps, SAS/SATA 6Gbps/3Gbps hard drive or 2.5-inch SAS/SATA SSD hard drive
1. The standard system is shipped without hard drives.
Hard Drive Tray : 24 x hot-swappable and lockable tray
LAN Port : Built-in 2 x 10 GbE SFP+ ports (LAN-10G2SF-MLX) and 4 x GbE ports
40GbE is optional
LED Indicators : 10 GbE, Status, LAN, Storage expansion port status
USB : 4x USB 3.0 port (rear)
4x USB 2.0 port (rear)
Support USB printer, pen drive, USB hub, and USB UPS etc.
Buttons : System: Power button and reset button
Alarm Buzzer : System warning
Form Factor : 4U, Rackmount
Dimensions : 176.15(H) x 442.5(W) x 530.5(D) mm
6.94(H) x 17.42(W) x 20.89(D) inch
Weight : Net weight (NAS only) : 23.08 kg/50.88 lb
Gross weight (with packing and accessories) : 28.56 kg/ 62.96 lb
Sound Level (dB)* : Sound Level (dB) Sound pressure (LpAm) (bystander position): 36.2 dB
(with 24 x HITACHI HUS724020ALA640 hard drive installed) 
Power Consumption (W) : Sleep mode: 144.82
In Operation: 351.21 W
(with 24 x HITACHI HUS724020ALA640 hard drive installed 
Temperature : 0-40ËšC
Relative Humidity : 5~95% non-condensing, wet bulb: 27ËšC.
Power Supply : Redundant power: Input 90~264VAC; 650W x 2
PCIe Slot : 2 (Right slot: 1* PCIe Gen3 x8; Left slot: 1* PCIe Gen3 x4)
The PCIe Gen3 x8 slot is occupied by a 10GbE network adapter.
Fan : 4 x 8 cm smart cooling fan