Thông tin sản phẩm Thiết bị lưu trữ Qnap TS-251B-4G
Specifications
CPU | Intel® Celeron® J3355 dual-core 2.0 GHz processor (burst up to 2.5 GHz) Architecture: 64-bit x86 |
Graphics | Intel® HD Graphics 500 |
Encryption Acceleration | (AES-NI) |
System Memory | 4 GB DDR3L (1 x 4 GB) |
Maximum Memory | 8 GB (2 x 4 GB) |
Memory Slot | 2 x SODIMM DDR3L up to 1866, with dual-channel support |
Flash Memory | 4GB eMMC |
Drive Bay | 2 x 3.5" SATA 6 Gbps HDD |
Drive Compatibility | • 3.5" SATA 6Gb/s HDD • 2.5" SATA 6Gb/s HDD • 2.5" SATA 6Gb/s SSD |
SSD Cache Acceleration Support | 3.5" drive bay:1 to 2 |
Gigabit Ethernet Port | 1 x RJ45 |
USB Port | 2 x USB 3.0, 3 x USB 2.0 |
USB One Touch Copy | Front:USB 3.0 Type-A |
PCIe Slot | 1 PCIe 2.0 x2 slot |
HDMI Output | 1 x HDMI v1.4b (up to 3840 x 2160 resolution at 30 Hz) |
IR sensor | , supporting QNAP RM-IR004 remote control (optional purchase) |
Audio | 1 x speaker, 2 x MIC Input 1 x 3.5 mm line-out jack Alarm buzzer Note: You cannot use the speakers and the line-out jack simultaneously. |
LED Indicators | Status/power、LAN、USB、HDD 1 - 2 |
Buttons | Power, Reset, USB One-touch-copy |
System Warning | Alarm buzzer and voice prompts |
Form Factor | Tower |
Dimensions (H x W x D) | 168 x 105 x 226 mm ( 6.61 x 4.13 x 8.90 inch) |
Net Weight | 1.53 kg (3.37 lbs) |
Power Consumption (W) | HDD standby:8.08 W In operation:15.25 W (with 2 x 1TB HDDs installed) |
Sound Level | Sound pressure (LpAm): 17.3 dB(A) |
Power Supply Unit | 65W AC adapter, 100-240V |
Fan | 1 x 7 cm |
Operating Temperature & Relative Humidity | 0 ~ 40˚C ( 32˚F ~ 104˚F ), 5 ~ 95% RH non-condensing, wet bulb: 27˚C (80.6˚F) |
Other Interfaces | Kensington security slot |