The QNAP TVS-871U-RP-I5-8G + 8 x 2TB Seagate IronWolf NAS HDD - Seagate Rescue Service has 4 more storage drives installed than the NETGEAR ReadyNAS 31842 (8 vs 4). The QNAP TVS-871U-RP-I5-8G + 8 x 2TB Seagate IronWolf NAS HDD - Seagate Rescue Service has 4 more storage drives supported than the NETGEAR ReadyNAS 31842 (8 vs 4). The NETGEAR ReadyNAS 31842 has 2 TB more storage drive capacity than the QNAP TVS-871U-RP-I5-8G + 8 x 2TB Seagate IronWolf NAS HDD - Seagate Rescue Service (4 TB vs 2 TB). Only the NETGEAR ReadyNAS 31842 has ECC supported by processor. Only the QNAP TVS-871U-RP-I5-8G + 8 x 2TB Seagate IronWolf NAS HDD - Seagate Rescue Service has Conflict-Free processor.
Number of storage drives installed
ReadyNAS 31842:4
TVS-871U-RP-I5-8G + 8 x 2TB Seagate IronWolf NAS HDD - Seagate Rescue Service:8
Number of storage drives supported
ReadyNAS 31842:4
TVS-871U-RP-I5-8G + 8 x 2TB Seagate IronWolf NAS HDD - Seagate Rescue Service:8
Storage drive capacity
ReadyNAS 31842:4 TB
TVS-871U-RP-I5-8G + 8 x 2TB Seagate IronWolf NAS HDD - Seagate Rescue Service:2 TB
Processor family
ReadyNAS 31842:Intel Atom®
TVS-871U-RP-I5-8G + 8 x 2TB Seagate IronWolf NAS HDD - Seagate Rescue Service:Intel® Core™ i5
Processor model
ReadyNAS 31842:C2558
TVS-871U-RP-I5-8G + 8 x 2TB Seagate IronWolf NAS HDD - Seagate Rescue Service:i5-4590S
Processor frequency
ReadyNAS 31842:2.4 GHz
TVS-871U-RP-I5-8G + 8 x 2TB Seagate IronWolf NAS HDD - Seagate Rescue Service:3 GHz
Processor cache
ReadyNAS 31842:2 MB
TVS-871U-RP-I5-8G + 8 x 2TB Seagate IronWolf NAS HDD - Seagate Rescue Service:6 MB
ECC supported by processor
ReadyNAS 31842:Yes
TVS-871U-RP-I5-8G + 8 x 2TB Seagate IronWolf NAS HDD - Seagate Rescue Service:No
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers
2
4
Fiber ports quantity
0
0
HDMI ports quantityKnown for one
—Unknown — not stated by the source
1
PCI Express x4 (Gen 3.x) slotsKnown for one
—Unknown — not stated by the source
1
PCI Express x8 (Gen 3.x) slotsKnown for one
—Unknown — not stated by the source
1
eSATA ports quantityKnown for one
2
—Unknown — not stated by the source
Graphicsidentical
On-board graphics card DirectX versionKnown for one
—Unknown — not stated by the source
11.1
On-board graphics card IDKnown for one
—Unknown — not stated by the source
0x412
On-board graphics card base frequencyKnown for one
—Unknown — not stated by the source
350 MHz
On-board graphics card dynamic frequency (max)Known for one
—Unknown — not stated by the source
1150 MHz
Maximum on-board graphics card memoryKnown for one
—Unknown — not stated by the source
1.024 GB
Number of displays supported (on-board graphics)Known for one
—Unknown — not stated by the source
3
Design4 differ
Chassis typeDiffers
Rack (1U)
Rack (2U)
Cooling type
Active
Active
Product colourDiffers
Black, Grey
Black
Number of fans
3 fan(s)
3 fan(s)
Fan diameterDiffers
4 cm
7 cm
Drive bay lockingKnown for one
—Unknown — not stated by the source
Yes
LED indicatorsDiffers
Activity, HDD, LAN, Power
HDD, LAN, Status
Built-in displayKnown for one
—Unknown — not stated by the source
No
Performance4 differ
Type
NAS
NAS
Device class
Small & Medium Business
Small & Medium Business
Backup function
Yes
Yes
Backup featuresKnown for one
—Unknown — not stated by the source
Cloud, iSCSI LUN
BuzzerKnown for one
—Unknown — not stated by the source
Yes
Multilingual supportKnown for one
—Unknown — not stated by the source
Yes
Number of usersDiffers
150 user(s)
4096 user(s)
Third-party supportKnown for one
—Unknown — not stated by the source
Yes
Built-in optical driveKnown for one
—Unknown — not stated by the source
No
Card reader integratedKnown for one
—Unknown — not stated by the source
No
SnapshotKnown for one
—Unknown — not stated by the source
Yes
Management protocolsDiffers
SNMP v2, v3
SNMP
Share folder access right managementKnown for one
—Unknown — not stated by the source
Yes
Web-based management
Yes
Yes
Access Control List (ACL)
Yes
Yes
Browser supportedDiffers
Microsoft Internet Explorer 9+, Mozilla Firefox 14+, Google Chrome 20+, Apple Safari 5+)
Internet Explorer 10+, Chrome, Safari 7+, Firefox
Built-in FTP server
Yes
Yes
Built-in UPnP AV media server
Yes
Yes
Disk scanKnown for one
—Unknown — not stated by the source
Yes
Hot spareKnown for one
—Unknown — not stated by the source
Yes
On/off switch
Yes
Yes
S.M.A.R.T. support
Yes
Yes
Security algorithmsDiffers
256-bit AES, SSH
256-bit AES, FIPS 140-2, HTTPS, SSH
Share folderKnown for one
—Unknown — not stated by the source
512
System logKnown for one
—Unknown — not stated by the source
Yes
Universal Plug and Play (UPnP)Known for one
—Unknown — not stated by the source
Yes
Built-in iTunes serverKnown for one
Yes
—Unknown — not stated by the source
Software4 differ
Operating system installedDiffers
ReadyNAS OS
QNAP Turbo System
Operating system versionKnown for one
—Unknown — not stated by the source
4.1
Windows operating systems supportedDiffers
Windows 10, Windows 7, Windows 8, Windows 8.1
Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home
Linux operating systems supported
Yes
Yes
Mac compatibility
Yes
Yes
Mac operating systems supportedDiffers
Yes
Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Server operating systems supportedDiffers
Windows Server 2008 R2, Windows Server 2012
Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
Other operating systems supportedKnown for one
Android, VMware vSphere ESXi, iOS
—Unknown — not stated by the source
Power2 differ
Power supply location
Built-in
Built-in
Power supply unit (PSU) capacityDiffers
180 W
250 W
Redundant power supply (RPS) supportKnown for one
—Unknown — not stated by the source
Yes
AC input voltageDiffers
100 - 240 V
100-240 V
AC input frequency
50 - 60 Hz
50 - 60 Hz
Fan voltageKnown for one
—Unknown — not stated by the source
12 V
Number of power supply unitsKnown for one
1
—Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers
486 mm
482 mm
DepthDiffers
406 mm
534 mm
HeightDiffers
44 mm
89 mm
Packaging contentidentical
Cables includedKnown for one
—Unknown — not stated by the source
AC, LAN (RJ-45)
Quick installation guideKnown for one
—Unknown — not stated by the source
Yes
Number of screwsKnown for one
—Unknown — not stated by the source
56
Processor special features2 differ
Embedded options available
Yes
Yes
Enhanced Intel SpeedStep TechnologyKnown for one
—Unknown — not stated by the source
Yes
Execute Disable Bit
Yes
Yes
Graphics & IMC lithography
22 nm
22 nm
Idle StatesKnown for one
—Unknown — not stated by the source
Yes
Intel 64
Yes
Yes
Intel Enhanced Halt StateKnown for one
—Unknown — not stated by the source
Yes
Intel FDI TechnologyKnown for one
—Unknown — not stated by the source
Yes
Intel Identity Protection Technology versionKnown for one
—Unknown — not stated by the source
1.00
Intel Secure Key Technology versionKnown for one
—Unknown — not stated by the source
1.00
Intel Small Business Advantage (SBA) versionKnown for one
—Unknown — not stated by the source
1.00
Intel Stable Image Platform Program (SIPP)Known for one
—Unknown — not stated by the source
Yes
Intel Stable Image Platform Program (SIPP) versionKnown for one
—Unknown — not stated by the source
1.00
Intel TSX-NIKnown for one
—Unknown — not stated by the source
No
Intel TSX-NI versionKnown for one
—Unknown — not stated by the source
0.00
Intel Trusted Execution TechnologyKnown for one
—Unknown — not stated by the source
Yes
Intel VT-x with Extended Page Tables (EPT)
Yes
Yes
Intel Virtualization Technology (VT-x)
Yes
Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one
—Unknown — not stated by the source
Yes
Intel® AES New Instructions (Intel® AES-NI)
Yes
Yes
Intel® Anti-Theft Technology (Intel® AT)Known for one
—Unknown — not stated by the source
Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one
