Product comparison · 2 nas & storage servers

QNAP ES1686dc R2 vs TerraMaster U12-500 Plus

58specifications compared
33differ
25identical
50known for one product only

Key differences

The QNAP ES1686dc R2 has 4 more storage drives supported than the TerraMaster U12-500 Plus (16 vs 12). The TerraMaster U12-500 Plus has 1.7 GHz more processor boost frequency than the QNAP ES1686dc R2 (4.7 GHz vs 3 GHz). The TerraMaster U12-500 Plus has 2 more processor cores than the QNAP ES1686dc R2 (10 vs 8). Only the QNAP ES1686dc R2 has ECC. Supported storage drive interfaces: Serial Attached SCSI (SAS) on the QNAP ES1686dc R2, Serial ATA on the TerraMaster U12-500 Plus.

Number of storage drives supported
- ES1686dc R2:16
- U12-500 Plus:12
Supported storage drive interfaces
- ES1686dc R2:Serial Attached SCSI (SAS)
- U12-500 Plus:Serial ATA
RAID levels
- ES1686dc R2:0, 1, 5, 6, 10, 50, 60
- U12-500 Plus:0, 1, 6, 10, JBOD
Processor family
- ES1686dc R2:Intel® Xeon® D
- U12-500 Plus:Intel® Core™ i7
Processor boost frequency
- ES1686dc R2:3 GHz
- U12-500 Plus:4.7 GHz
Processor cores
- ES1686dc R2:8
- U12-500 Plus:10
Internal memory
- ES1686dc R2:48 GB
- U12-500 Plus:16 GB
Internal memory type
- ES1686dc R2:DDR4
- U12-500 Plus:DDR5

Side by side

Differences highlightedShow differences only

Comparison of ES1686dc R2, U12-500 Plus
108 specifications	A QNAP ES1686dc R2 View product	B TerraMaster U12-500 Plus View product
Storage3 differ
Storage drives installed	No	No
Total installed storage capacity	0 TB	0 TB
Number of storage drives installed	0	0
Number of storage drives supportedDiffers	16	12
Installed storage drive type	No	No
Supported storage drive types	HDD & SSD	HDD & SSD
Storage drive capacity	0 GB	0 GB
Supported storage drive interfacesDiffers	Serial Attached SCSI (SAS)	Serial ATA
Storage drive sizes supported	2.5,3.5"	2.5,3.5"
Maximum supported storage capacityKnown for one	Unknown — not stated by the source	288 TB
RAID support	Yes	Yes
RAID levelsDiffers	0, 1, 5, 6, 10, 50, 60	0, 1, 6, 10, JBOD
Online RAID migration	Yes	Yes
Hot-swap drive bays	Yes	Yes
Supported file systemsKnown for one	Unknown — not stated by the source	BTRFS, FAT32, HFS+, NTFS, ext3, ext4
Online RAID expansionKnown for one	Yes	Unknown — not stated by the source
Processor3 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Xeon® D	Intel® Core™ i7
Processor boost frequencyDiffers	3 GHz	4.7 GHz
Processor coresDiffers	8	10
Processor threadsKnown for one	Unknown — not stated by the source	12
Processor cacheKnown for one	Unknown — not stated by the source	12 MB
Number of processors supportedKnown for one	Unknown — not stated by the source	1
Processor modelKnown for one	D-2142IT	Unknown — not stated by the source
Processor frequencyKnown for one	1.9 GHz	Unknown — not stated by the source
Memory5 differ
Internal memoryDiffers	48 GB	16 GB
Internal memory typeDiffers	DDR4	DDR5
Maximum RAM supportedDiffers	512 GB	64 GB
ECCDiffers	Yes	No
Memory form factorDiffers	RDIMM/LRDIMM	SO-DIMM
Memory slotsKnown for one	8	Unknown — not stated by the source
Flash memoryKnown for one	4000 MB	Unknown — not stated by the source
Network2 differ
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	10000 Mbit/s
Ethernet LAN data rate supported (max)Known for one	Unknown — not stated by the source	10000 Mbit/s
iSCSI support	Yes	Yes
Dynamic DNS (DDNS)Known for one	Unknown — not stated by the source	Yes
Supported network protocolsDiffers	CIFS/SMB2/SMB3, NFS v3/NFS v4.1, FTP, FTPS, TFTP, HTTP, HTTPS, SSH, iSCSI, Fibre Channel, SNMP, SMTP, SMSC	CIFS/SAMBA, NFS, FTP, TFTP, HTTPS, SSH, iSCSI, SNMP, SMTP
Jumbo frames supportKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces1 differ
Ethernet LAN (RJ-45) portsDiffers	3	2
USB portKnown for one	Unknown — not stated by the source	Yes
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one	Unknown — not stated by the source	1
Fiber ports quantityKnown for one	4	Unknown — not stated by the source
Fiber optic connectorKnown for one	SFP+	Unknown — not stated by the source
PCI Express x8 (Gen 3.x) slotsKnown for one	2	Unknown — not stated by the source
Design6 differ
Chassis typeDiffers	Rack (3U)	Rack (2U)
Cooling type	Active	Active
Product colourDiffers	Black, Grey	Grey
Number of fansDiffers	2 fan(s)	3 fan(s)
Fan diameterDiffers	6 cm	8 cm
Fan diameter 2Differs	6 cm	8 cm
LED indicatorsDiffers	Yes	HDD, LAN, Power
Built-in displayKnown for one	Unknown — not stated by the source	No
Performance1 differ
Type	NAS	NAS
Device classDiffers	Large Enterprise Business	Home & Home Office
Backup function	Yes	Yes
Backup featuresKnown for one	Unknown — not stated by the source	Cloud, USB drive
Multilingual support	Yes	Yes
Number of usersKnown for one	Unknown — not stated by the source	2048 user(s)
Noise levelKnown for one	Unknown — not stated by the source	39 dB
SnapshotKnown for one	Unknown — not stated by the source	Yes
Management protocolsKnown for one	Unknown — not stated by the source	SNMP
Web-based managementKnown for one	Unknown — not stated by the source	Yes
Access Control List (ACL)	Yes	Yes
Browser supportedKnown for one	Unknown — not stated by the source	Google Chrome, Mozilla Firefox, Apple Safari, Microsoft Edge
Hot spare	Yes	Yes
On/off switch	Yes	Yes
S.M.A.R.T. support	Yes	Yes
Security algorithmsKnown for one	Unknown — not stated by the source	AES, HTTPS, SNMP, 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
BuzzerKnown for one	Yes	Unknown — not stated by the source
Reset buttonKnown for one	Yes	Unknown — not stated by the source
Softwareidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Linux operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Mac operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Operating system installedKnown for one	QNAP QES	Unknown — not stated by the source
Power2 differ
Power supply location	Built-in	Built-in
Power supply unit (PSU) capacityDiffers	700 W	550 W
Number of power supply units	1	1
Power consumption (max)Known for one	Unknown — not stated by the source	120 W
Power consumption (HDD standby)Known for one	Unknown — not stated by the source	33 W
AC input voltageDiffers	90-264 V	100-240 V
AC input frequencyKnown for one	Unknown — not stated by the source	50 / 60 Hz
Redundant power supply (RPS) supportKnown for one	Yes	Unknown — not stated by the source
Power consumption (typical)Known for one	500.87 W	Unknown — not stated by the source
Fan voltageKnown for one	12 V	Unknown — not stated by the source
Weight & dimensions6 differ
WidthDiffers	483.1 mm	440 mm
DepthDiffers	630.6 mm	550 mm
HeightDiffers	132 mm	88 mm
Package widthDiffers	587 mm	580 mm
Package depthDiffers	750 mm	710 mm
Package heightDiffers	351 mm	217 mm
Package weightKnown for one	32.7 kg	Unknown — not stated by the source
Packaging content1 differ
External power adapterKnown for one	Unknown — not stated by the source	Yes
Cables includedDiffers	AC, LAN (RJ-45), RS-232	AC, LAN (RJ-45)
Power cables quantityKnown for one	2	Unknown — not stated by the source
Rack mount kitKnown for one	Yes	Unknown — not stated by the source
Number of screwsKnown for one	64	Unknown — not stated by the source
Package typeKnown for one	Box	Unknown — not stated by the source
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 40 °C	5 - 40 °C
Operating relative humidity (H-H)	5 - 95%	5 - 95%
Storage temperature (T-T)Differs	-20 - 70 °C	-20 - 60 °C
Other features1 differ
Compliance certificatesKnown for one	Unknown — not stated by the source	CE, China Compulsory Certification (CCC), Federal Communications Commission (FCC), KC, RoHS, WEEE
Warranty periodDiffers	5 year(s)	3 year(s)

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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