Datasheet

47
TS-x51 Series. Powered by QNAP's Exclusive QvPC Technology
Hardware Specification
Turbo NAS Model TS-251-4G / TS-251 TS-451-4G / TS-451 TS-651-4G / TS-651 TS-851-4G / TS-851
CPU Dual-Core Intel Celeron 2.41GHz (Burst up to 2.58GHz)
Memory (DRAM) 4GB SO-DIMM DDR3L-1333 / 1GB SO-DIMM DDR3L-1333
Flash Memory 512MB (DOM)
No. of RAM Slots 2 (Max 8 GB)
Max. number of HDDs/SSDs
2 x 2.5" or 3.5" SATA 6Gb/s,
3Gb/s; hot-swappable
4 x 2.5" or 3.5" SATA 6Gb/s,
3Gb/s; hot-swappable
6 x 2.5" or 3.5" SATA 6Gb/s,
3Gb/s; hot-swappable
8 x 2.5" or 3.5" SATA 6Gb/s,
3Gb/s; hot-swappable
Expansion Enclosure Support 1 (UX-800P, UX-500P)
Gigabit LAN Ports 2
USB Ports USB 3.0: 2, USB 2.0: 2 USB 3.0: 2, USB 2.0: 2 USB 3.0: 3, USB 2.0: 2 USB 3.0: 3, USB 2.0: 2
IR Sensor (MCE Remote) Yes Yes Yes Yes
HDMI 1 1 1 1
LED Indicators
Power, Reset, USB One-
Touch-Copy
、
USB
、
HDD1-
2
Power, Reset, USB One-
Touch-Copy
、
USB
、
HDD1-
4
Power, Reset, USB One-
Touch-Copy
、
USB
、
HDD
1-6
Power, Reset, USB One-
Touch-Copy
、
USB
、
HDD
1-8
Buttons Power, Reset, USB One-Touch-Copy
Dimensions (HxWxD)
168.5 x 102 x 225 mm
6.63 x 4.02 x 8.86 inch
177 x 180 x 235 mm
6.97 x 7.09 x 9.25 inch
175 x 257 x 235 mm
6.89 x10.12 x 9.25 inch
185.2 x 298.2 x 235.4 mm
7.29 x 11.74 x 9.27 inch
Weight (Net/ Gross)
1.28 kg (2.82 lbs) /
2.32 kg (5.11 lbs)
3 kg (6.61 lbs) /
4.3 kg (9.48 lbs)
6.18 kg (13.62 lbs)
/ 6.9 kg (15.21 lbs)
7.83 kg (17.26 lbs)
/ 8.9 kg (19.62 lbs)
Temperature and Humidity 0 - 40
°
C, 5 - 95% R.H 0 - 40
°
C, 5 - 95% R.H 0 - 40
°
C, 5 - 95% R.H 0 - 40
°
C, 5 - 95% R.H
Power Supply Specification
External Power Adapter,
60W, 100-240V
External Power Adapter,
90W, 100-240V
ATX 250W, Input: 110-240
Vac~, 50-60Hz, 5A
ATX 350W, Input: 110-240
Vac~, 50-60Hz, 5A
Power Consumption: HDD Sleep
(W)
10.28 15.85 21.08 26.81
Power Consumption: Typical
Operation (W)
19.22 31.07 39.42 56.79
Power Off: S3 Sleep (W) 0.47 0.55 0.41 0.72
Windows Upload / Download -
Link Aggregation (MB/s)
222 / 224 216 / 224 223 / 224 223 / 224
AES 256-bit Encrypted Windows
Upload / Download (MB/s)
67 / 68 68 / 68 68 / 69 68 / 69
File System: Internal Hard Drive EXT4
File System: External Hard Drive EXT3, EXT4, NTFS, FAT32, HFS+
RAID Recovery Yes
Online RAID Capacity Expansion Yes
Online RAID Level Migration Yes
RAID Type
Single Disk, RAID 0, RAID 1,
JBOD
Single Disk, RAID 0, RAID 1,
RAID 5, RAID 6, RAID 10, RAID
5 + Spare, JBOD
Single Disk, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, RAID
5/6/10 + Spare, JBOD
Global Hot Spare - Yes
USB One-Touch-Copy Backup Yes
Surveillance Station - Default IP
Cameras
2
Virtualization Station - Max. IP
cameras
24(optional license purchase)
Virtualization Station Yes (Max. 1 Runnung VM; RAM of NAS >= 2GB)
VPN Server (PPTP + OpenVPN) Yes
Max. Number of Users 4096
Max. Number of User Groups 512
Max. Number of Shared Folders 512
Max. Number of Concurrent
Connections
600