Dual‑Bay 4‑GB RAM QNAP TS‑253A NAS Shell
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| Brand | QNAP |
| EAN | 4712511128550 |
| ASIN | B017UKCFLO |
| Model | TS-253A-4G |
| MPN | TS-253A-4G |
| AC input frequency | 50 - 60 Hz |
| AC input voltage | 110 - 240 V |
| Backup button | Yes |
| Backup features | Cloud,USB drive,iSCSI LUN |
| Backup function | Yes |
| Bad block scan | Yes |
| Browser supported | Microsoft Internet Explorer 10+, Mozilla Firefox 8+, Apple Safari 4+, Google Chrome |
| Built-in FTP server | Yes |
| Built-in iTunes server | Yes |
| Buzzer | Yes |
| Cable lock slot | Yes |
| Cable lock slot type | Kensington |
| Cables included | AC,LAN (RJ-45) |
| Chassis type | Tower |
| Cooling type | Active |
| Depth | 216 mm |
| Device class | Small & Medium Business |
| DHCP Client | Yes |
| DHCP server | Yes |
| ECC supported by processor | No |
| Embedded options available | Yes |
| Enhanced intel speedstep technology | Yes |
| Ethernet LAN | Yes |
| Ethernet LAN data rates | 10,100,1000 Mbit/s |
| Execute disable bit | Yes |
| Fan diameter | 7 cm |
| Fan voltage | 12 V |
| Flash memory | 512 MB |
| Handheld remote control | Yes |
| HDMI ports quantity | 2 |
| Height | 150 mm |
| Hot-swap drive bays | Yes |
| Idle states | Yes |
| Installed storage drive type | No |
| Integrated 4G WiMAX | No |
| Intel 64 | Yes |
| Intel clear video technology | Yes |
| Intel enhanced halt state | Yes |
| Intel Identity Protection Technology version | 1.00 |
| Intel rapid storage technology | No |
| Intel secure boot | Yes |
| Intel smart connect technology | No |
| Intel smart connect technology version | 0.00 |
| Intel trusted execution technology | No |
| Internal memory | 4 GB |
| Internal memory type | DDR3L |
| iSCSI support | Yes |
| Jumbo frames support | Yes |
| LED indicators | HDD,Status,USB |
| Linux operating systems supported | Yes |
| Mac compatibility | Yes |
| Mac operating systems supported | Mac OS X 10.7 Lion,Mac OS X 10.8 Mountain Lion,Mac OS X 10.9 Mavericks |
| Management protocols | SNMP |
| Maximum internal memory supported by processor | 8 GB |
| Memory channels supported by processor | Dual |
| Memory clock speed | 1600 MHz |
| Multilingual support | Yes |
| Noise level | 18.3 dB |
| Number of fans | 1 fan(s) |
| Number of screws | 14 |
| Number of Users | 4096 user(s) |
| On-board graphics adapter base frequency | 320 MHz |
| On-board graphics adapter burst frequency | 640 MHz |
| On-board graphics adapter model | Intel® HD Graphics |
| On/off switch | Yes |
| Online RAID expansion | Yes |
| Online RAID migration | Yes |
| Operating system installed | QNAP Turbo System |
| Operating system version | 4.2 |
| PCI Express configurations | 1x4,4x1 |
| PCI Express slots version | 2.0 |
| Power supply location | External |
| Processor ARK ID | 87258 |
| Processor boost frequency | 2.08 GHz |
| Processor cache type | Smart Cache |
| Processor code | SR29F |
| Processor codename | Braswell |
| Processor family | Intel® Celeron® |
| Processor frequency | 1.6 GHz |
| Processor model | N3150 |
| Processor operating modes | 64-bit |
| Processor package size | 25 mm |
| Processor series | Intel Celeron N3000 series |
| Processor socket | BGA 1170 |
| Quick installation guide | Yes |
| RAID support | Yes |
| Remotely operated | Yes |
| Reset button | Yes |
| S.M.A.R.T. support | Yes |
| Security algorithms | 256-bit AES,FIPS 140-2,HTTPS,SNMP |
| Share folder access right management | Yes |
| Stepping | C0 |
| Storage drive interface | Serial ATA III |
| Storage drive sizes supported | 2.5,3.5" |
| Storage drives installed | No |
| Supported file systems | FAT32,HFS+,NTFS,ext3,ext4 |
| Supported network protocols | CIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC |
| Supported storage drive interfaces | Serial ATA II,Serial ATA III |
| Supported storage drive types | HDD,SSD |
| System log | Yes |
| Thermal monitoring technologies | Yes |
| Tjunction | 90 °C |
| Type | NAS |
| UART | Yes |
| USB port | Yes |
| Wake-on-LAN ready | Yes |
| Web-based management | Yes |
| Weight | 1.74 kg |
| Wi-Fi | No |
| Width | 102 mm |
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