Compare Qnap NAS systems
Comparing 5 products side-by-side — specifications, pricing and stock. Showing Qnap products in the NAS systems category.
| Specification | Current product Qnap QNAP ES2486dc - NAS server - 24 bays - rack-mountable - SAS 12Gb/s - RAID 0, 1, 5, 6, 10, 50, JBOD, 60, RAID TP - RAM 96 GB - Gigabit Ethernet / 10 Gigabit Ethernet - iSCSI support - 2UES2486DC-2142IT-96G £17964.43 £21557.32 inc VAT | Qnap QNAP TVS-h874T - NAS server - 8 bays - SATA 6Gb/s - RAID JBOD, 0, 1, 5, 6, 10, 50, 60 - RAM 32 GB - 2.5 Gigabit Ethernet - iSCSI supportTVS-H874T-I7-32G £3137.19 £3764.63 inc VAT | |||
|---|---|---|---|---|---|
| Processor | |||||
| Bus type | UPI | — | — | — | — |
| Conflict-Free processor | Yes | — | — | — | — |
| CPU configuration (max) | 1 | — | — | — | — |
| Maximum internal memory supported by processor | 512 GB | — | — | — | — |
| Number of processors supported | — | — | — | 1 | — |
| On-board graphics card model | — | — | — | — | Intel UHD Graphics 770 |
| PCI Express slots version | 3.0 | — | — | — | — |
| Processor architecture | — | — | ARM Cortex-A57 | — | — |
| Processor code | SR3ZZ | — | — | — | — |
| Processor codename | Skylake | — | — | — | — |
| Processor cores | 8 | 4 | 4 | 4 | 12 |
| Processor family | Intel® Xeon® D | Annapurna Labs | Annapurna Labs | ARM | Intel® Core™ i7 |
| Processor frequency | — | 1.7 GHz | 1.7 GHz | 2 GHz | — |
| Processor lithography | 14 nm | — | — | — | — |
| Processor manufacturer | — | Annapurna Labs | Annapurna Labs | — | Intel |
| Processor model | D-2142IT | Alpine AL-324 | AL324 | Cortex-A55 | — |
| Processor operating modes | 64-bit | — | — | — | — |
| Processor socket | BGA 2518 | — | — | — | — |
| Processor threads | 16 | — | — | — | 20 |
| Stepping | M1 | — | — | — | — |
| Thermal Design Power (TDP) | 65 W | — | — | — | — |
| Memory | |||||
| Flash memory | 4000 MB | 512 MB | 512 MB | 4000 MB | 5000 MB |
| Internal memory | 96 GB | 2 GB | 4 GB | 2 GB | 32 GB |
| Internal memory type | DDR4 | DDR4 | DDR4 | — | DDR4 |
| Maximum RAM supported | 512 GB | 16 GB | 16 GB | 2 GB | 64 GB |
| Memory clock speed | — | — | 2400 MHz | — | — |
| Memory form factor | RDIMM/LRDIMM | UDIMM | SO-DIMM | — | SO-DIMM |
| Memory slots | 8 | 1 | 1 | — | 2 |
| Storage | |||||
| Bad block scan | Yes | Yes | Yes | Yes | — |
| Disk roaming | — | — | Yes | Yes | Yes |
| Hot-swap drive bays | Yes | Yes | Yes | Yes | Yes |
| Installed storage drive type | No | No | No | No | No |
| Number of M.2 (M & B) slots | — | — | — | — | 2 |
| Number of storage drives installed | — | 0 | 0 | 0 | 0 |
| Number of storage drives supported | 24 | 4 | 8 | 2 | 8 |
| Online RAID expansion | Yes | Yes | — | Yes | Yes |
| Online RAID migration | Yes | Yes | Yes | Yes | — |
| RAID levels | 0, 1, 5, 6, 10, 50, 60, JBOD | 0, 1, 5, 6, 10, JBOD | 0, 1, 5+S, 5, 6, 6+HS, 10+HS, 10, 50, 60, JBOD | 0, 1, JBOD | 0, 1, 5, 6, 10, 50, 60, JBOD |
| RAID rebuild | — | Yes | Yes | Yes | Yes |
| RAID support | Yes | Yes | — | Yes | Yes |
| Storage drive capacity | 0 GB | 0 GB | 0 GB | — | — |
| Storage drive interface | — | — | Serial ATA III | Serial ATA II, Serial ATA III | — |
| Storage drive sizes supported | 2.5" | 2.5,3.5" | 2.5,3.5" | 2.5,3.5" | 2.5,3.5,M.2 |
| Storage drives installed | No | No | No | No | No |
| Supported file systems | ZFS | FAT32, HFS+, NTFS, ext3, ext4 | FAT32, HFS+, ext3, ext4 | FAT32, exFAT, HFS+, NTFS, ext3, ext4 | FAT32, HFS+, NTFS, ZFS, exFAT, ext3, ext4 |
| Supported storage drive interfaces | Serial Attached SCSI (SAS) | Serial ATA II, Serial ATA III | Serial ATA II, Serial ATA III | Serial ATA II, Serial ATA III | Serial ATA II, Serial ATA III |
| Supported storage drive types | HDD & SSD | HDD & SSD | HDD & SSD | HDD & SSD | HDD & SSD |
| System drive sizes supported | — | — | — | 2.5,3.5" | — |
| Total installed storage capacity | 0 TB | 0 TB | 0 TB | 0 TB | 0 TB |
| Power | |||||
| AC input frequency | — | — | 50 - 60 Hz | 50 - 60 Hz | — |
| AC input voltage | 90 - 264 V | 100 - 240 V | 100 - 240 V | 100 - 240 V | 100 - 240 V |
| Fan voltage | — | 12 V | 12 V | 12 V | — |
| Number of power supply units | — | 1 | 1 | 1 | 1 |
| Output current | — | — | 3.5 A | — | — |
| Power consumption (sleep) | — | — | 27.949 W | 3.43 W | 62.668 W |
| Power consumption (typical) | 579.59 W | 39.558 W | 50.858 W | 10.81 W | 104.35 W |
| Power supply location | — | Built-in | Built-in | External | Built-in |
| Power supply unit (PSU) capacity | 700 W | 250 W | 250 W | 65 W | 350 W |
| Network | |||||
| DHCP client | — | Yes | Yes | — | — |
| DHCP server | — | Yes | Yes | Yes | Yes |
| Dynamic DNS (DDNS) | — | — | Yes | Yes | Yes |
| Ethernet LAN | Yes | Yes | Yes | Yes | Yes |
| Ethernet LAN data rate supported (max) | — | 10000 Mbit/s | — | — | — |
| Ethernet LAN data rates | 10,100,1000 Mbit/s | 100,1000,2500,10000 Mbit/s | — | 10,100,1000 Mbit/s | 10,100,1000,2500 Mbit/s |
| iSCSI support | Yes | Yes | Yes | Yes | Yes |
| Jumbo frames support | Yes | Yes | — | Yes | — |
| Link aggregation | — | Yes | Yes | — | — |
| Load balancing system | — | Yes | Yes | — | — |
| Supported network protocols | CIFS/SMB2/SMB3, NFS v3/NFS v4, FTP, FTPS, TFTP, HTTP, HTTPS, SSH, iSCSI, SNMP, SMTP, SMSC | PPTP, L2TP/IPSec, OpenVPN, QBelt | — | IPv4, IPv6 | IPv4, IPv6 |
| Wake-on-LAN ready | Yes | Yes | — | Yes | Yes |
| WLAN adapter supported | — | Yes | Yes | — | — |
| Performance | |||||
| Access Control List (ACL) | Yes | Yes | Yes | Yes | Yes |
| Backup button | — | — | Yes | — | — |
| Backup features | Cloud, USB drive, iSCSI LUN | Cloud, iSCSI LUN | Cloud, USB drive, iSCSI LUN | Cloud, USB drive, iSCSI LUN | Cloud, iSCSI LUN |
| Backup function | Yes | Yes | Yes | Yes | Yes |
| Browser supported | — | Mozilla Firefox, Microsoft Internet Explorer 10+, Apple Safari 7+, Google Chrome | Apple Safari 7+, Google Chrome, Microsoft Internet Explorer 10+, Mozilla Firefox | Apple Safari, Google Chrome, Microsoft Edge, Mozilla Firefox | Apple Safari, Google Chrome, Microsoft Edge, Mozilla Firefox |
| Built-in BitTorrent client | — | — | Yes | — | — |
| Built-in FTP server | Yes | Yes | Yes | Yes | Yes |
| Buzzer | — | Yes | Yes | Yes | Yes |
| Device class | Small & Medium Business | Small & Medium Business | Small & Medium Business | Home & Home Office | Home & Home Office |
| Disk scan | Yes | — | — | Yes | Yes |
| Hot spare | — | Yes | Yes | Yes | Yes |
| Management protocols | — | — | SNMP | — | SNMP V2, V3 |
| Multilingual support | Yes | Yes | — | Yes | — |
| Noise level | — | 38 dB | 19.6 dB | — | — |
| On/off switch | Yes | Yes | Yes | Yes | Yes |
| Remote administration | — | — | 256-bit AES,FIPS 140-2,HTTPS,SNMP,SSH | PPTP, L2TP/IPSec, OpenVPN, WireGuard, QBelt | — |
| Remotely operated | — | — | Yes | — | — |
| Reset button | — | Yes | — | Yes | Yes |
| S.M.A.R.T. support | — | Yes | Yes | Yes | Yes |
| Security algorithms | 256-bit AES, FIPS 140-2, HTTPS, SSH, SSL/TLS | 256-bit AES, FIPS 140-2, HTTPS, SSH, SSL/TLS | 256-bit AES, FIPS 140-2, HTTPS, SNMP, SSH | 256-bit AES, 802.1x RADIUS, FIPS 140-2, HTTPS, SSH, TTLS | 256-bit AES, FIPS 140-2, SSH, TLS |
| Share folder | — | CIFS/SMB | — | — | Thick, Thin |
| Share folder access right management | Yes | — | Yes | — | — |
| Snapshot | — | Yes | Yes | — | Yes |
| System log | Yes | Yes | Yes | Yes | Yes |
| Third-party support | Yes | — | Yes | — | — |
| Type | — | NAS | NAS | NAS | NAS |
| Universal Plug and Play (UPnP) | — | Yes | Yes | — | — |
| USB copy function | Yes | Yes | Yes | Yes | Yes |
| Web-based management | — | Yes | Yes | Yes | — |
| Design | |||||
| Built-in display | Yes | — | — | — | Yes |
| Cable lock slot | — | — | Yes | — | Yes |
| Cable lock slot type | — | — | Kensington | — | Kensington |
| Chassis type | — | Rack (1U) | Tower | Tower | Tower |
| Cooling type | Active | Active | Active | Active | Active |
| Display type | LCD | — | — | — | LCD |
| Drive bay locking | — | — | Yes | — | — |
| Fan diameter | — | 4 cm | 12 cm | 8 cm | 12 cm |
| Fan diameter 2 | — | — | 6 cm | — | 6 cm |
| LED indicators | — | HDD, LAN, Status | — | HDD, LAN, Status, USB | HDD, LAN, M.2, Status, USB |
| Number of fans | 6 fan(s) | 2 fan(s) | 3 fan(s) | 1 fan(s) | 3 fan(s) |
| Product colour | — | Black | — | White | Black |
| Packaging content | |||||
| Cables included | — | AC, LAN (RJ-45) | AC, LAN (RJ-45) | AC, LAN (RJ-45) | AC, LAN (RJ-45) |
| External power adapter | — | — | — | Yes | — |
| Number of screws | 96 | 28 | 56 | — | 56 |
| Package type | Box | — | — | — | — |
| Power cables quantity | — | — | — | 1 | 1 |
| Rack mount kit | Yes | — | — | — | — |
| Other features | |||||
| Certification | FCC Class A, CE Mark, EN60950, BSMI, VCCI, CB, LVD | — | — | — | — |
| Processor ARK ID | 136432 | — | — | — | — |
| Warranty period | 5 year(s) | — | — | — | — |
| Ports & interfaces | |||||
| Concurrent connections | — | — | — | — | 3500 |
| Ethernet LAN (RJ-45) ports | 6 | 2 | 2 | 1 | 2 |
| Fiber optic connector | SFP+ | SFP+ | SFP+ | — | — |
| Fiber ports quantity | — | 2 | 2 | — | — |
| HDMI ports quantity | — | — | — | — | 1 |
| HDMI version | — | — | — | — | 1.4b |
| PCI Express x16 (Gen 4.x) slots | — | — | — | — | 1 |
| PCI Express x8 (Gen 3.x) slots | 2 | — | — | — | — |
| USB 2.0 ports quantity | — | 0 | — | 2 | — |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 | 4 | 3 | 1 | — |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | — | — | — | — | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | — | — | — | — | 1 |
| USB port | Yes | Yes | Yes | Yes | Yes |
| Weight & dimensions | |||||
| Depth | 545.1 mm | 499 mm | 280.8 mm | 156.3 mm | 280.8 mm |
| Height | — | 44 mm | 188.2 mm | 188.6 mm | 188.2 mm |
| Package height | 739 mm | — | — | — | — |
| Package weight | — | 9.53 kg | — | 1.95 kg | 8.99 kg |
| Package width | — | — | 8610 mm | — | — |
| Weight | 27.4 kg | 6.53 kg | 6.38 kg | 1.11 kg | 7.34 kg |
| Width | — | 439 mm | 329.3 mm | 90.2 mm | 329.3 mm |
| Processor special features | |||||
| Embedded options available | Yes | — | — | — | — |
| Enhanced Intel SpeedStep Technology | Yes | — | — | — | — |
| Execute Disable Bit | Yes | — | — | — | — |
| Intel 64 | Yes | — | — | — | — |
| Intel Enhanced Halt State | Yes | — | — | — | — |
| Intel QuickAssist Technology | No | — | — | — | — |
| Intel Secure Key Technology version | 1.00 | — | — | — | — |
| Intel Trusted Execution Technology | Yes | — | — | — | — |
| Intel TSX-NI | Yes | — | — | — | — |
| Intel Virtualization Technology (VT-x) | Yes | — | — | — | — |
| Intel Virtualization Technology for Directed I/O (VT-d) | Yes | — | — | — | — |
| Intel® AES New Instructions (Intel® AES-NI) | Yes | — | — | — | — |
| Intel® Hyper Threading Technology (Intel® HT Technology) | Yes | — | — | — | — |
| Intel® OS Guard | Yes | — | — | — | — |
| Intel® Secure Key | Yes | — | — | — | — |
| Intel® Turbo Boost Technology | 2.0 | — | — | — | — |
| Maximum number of PCI Express lanes | 32 | — | — | — | — |
| Memory types supported by processor | DDR4-SDRAM | — | — | — | — |
| Thermal Monitoring Technologies | Yes | — | — | — | — |
| Logistics data | |||||
| Harmonized System (HS) code | — | 84714100 | — | 84714100 | — |
| Software | |||||
| Linux operating systems supported | Yes | Yes | CentOS 7.0, Ubuntu 14.04 | Yes | CentOS 7.0, SuSE Linux 12.0, SuSE Linux 12.3, SuSE Linux 15, Ubuntu 14.04 |
| Mac operating systems supported | Yes | Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina | — | Yes | Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.15.3 Catalina, Mac OS X 11.0 Big Sur, Mac OS X 12.0 Monterey, Mac OS X 13.0 Ventura |
| Operating system installed | — | QNAP Turbo System | QNAP Turbo System | QNAP QTS | QNAP QTS |
| Operating system version | — | 5.0.0 | 5.0.0 | 5.0.0 | QTS 5.1.0 |
| Other operating systems supported | — | — | IBM AIX 7.1, IBM AIX 7.2, Solaris 10 | — | IBM AIX 7.1, IBM AIX 7.2, Solaris 10 |
| Server operating systems supported | — | Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019 | Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019 | Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019 | Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019 |
| Windows operating systems supported | Windows 10, Windows 10 x64, Windows 7, Windows 7 Starter x64, Windows 8, Windows 8 x64 | Windows 10, Windows 7, Windows 8 | — | Windows 10, Windows 7, Windows 8, Windows 8.1 | Windows 10, Windows 11, Windows 7, Windows 8 |
| Operational conditions | |||||
| Operating relative humidity (H-H) | — | 5 - 95% | 5 - 95% | 5 - 95% | 5 - 95% |
| Operating temperature (T-T) | 0 - 40 °C | 0 - 40 °C | 0 - 40 °C | 0 - 40 °C | 0 - 40 °C |
| Storage temperature (T-T) | — | — | -20 - 70 °C | -20 - 70 °C | -20 - 70 °C |
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