Product comparison · 2 nas & storage servers

QNAP ES1686dc R2 vs QNAP TVS-AIH1688ATX-U9-32G NAS/storage server Tower

49specifications compared
24differ
25identical
49known for one product only

Key differences

The QNAP TVS-AIH1688ATX-U9-32G NAS/storage server Tower has 2.6 GHz more processor boost frequency than the QNAP ES1686dc R2 (5.6 GHz vs 3 GHz). The QNAP TVS-AIH1688ATX-U9-32G NAS/storage server Tower has 16 more processor cores than the QNAP ES1686dc R2 (24 vs 8). The QNAP ES1686dc R2 has 16 GB more internal memory than the QNAP TVS-AIH1688ATX-U9-32G NAS/storage server Tower (48 GB vs 32 GB). Supported storage drive interfaces: Serial Attached SCSI (SAS) on the QNAP ES1686dc R2, M.2, Serial ATA II, Serial ATA III on the QNAP TVS-AIH1688ATX-U9-32G NAS/storage server Tower. Storage drive sizes supported: 2.5,3.5" on the QNAP ES1686dc R2, 2.5,3.5,M.2 on the QNAP TVS-AIH1688ATX-U9-32G NAS/storage server Tower.

Storage drive sizes supported
- ES1686dc R2:2.5,3.5"
- TVS-AIH1688ATX-U9-32G NAS/storage server Tower:2.5,3.5,M.2
RAID levels
- ES1686dc R2:0, 1, 5, 6, 10, 50, 60
- TVS-AIH1688ATX-U9-32G NAS/storage server Tower:0, 1, 5, 6, 10, 50, 60, JBOD
Processor boost frequency
- ES1686dc R2:3 GHz
- TVS-AIH1688ATX-U9-32G NAS/storage server Tower:5.6 GHz
Processor cores
- ES1686dc R2:8
- TVS-AIH1688ATX-U9-32G NAS/storage server Tower:24
Internal memory
- ES1686dc R2:48 GB
- TVS-AIH1688ATX-U9-32G NAS/storage server Tower:32 GB
Internal memory type
- ES1686dc R2:DDR4
- TVS-AIH1688ATX-U9-32G NAS/storage server Tower:DDR5
Memory form factor
- ES1686dc R2:RDIMM/LRDIMM
- TVS-AIH1688ATX-U9-32G NAS/storage server Tower:UDIMM
Ethernet LAN data rates
- ES1686dc R2:10,100,1000 Mbit/s
- TVS-AIH1688ATX-U9-32G NAS/storage server Tower:2500,10000 Mbit/s

Side by side

Differences highlightedShow differences only

Comparison of ES1686dc R2, TVS-AIH1688ATX-U9-32G
98 specifications	A QNAP ES1686dc R2 View product	B QNAP TVS-AIH1688ATX-U9-32G NAS/storage server Tower Model TVS-AIH1688ATX-U9-32G 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 supported	16	16
Installed storage drive type	No	No
Supported storage drive types	HDD & SSD	HDD & SSD
Storage drive capacityKnown for one	0 GB	Unknown — not stated by the source
Supported storage drive interfacesDiffers	Serial Attached SCSI (SAS)	M.2, Serial ATA II, Serial ATA III
Storage drive sizes supportedDiffers	2.5,3.5"	2.5,3.5,M.2
RAID support	Yes	Yes
RAID levelsDiffers	0, 1, 5, 6, 10, 50, 60	0, 1, 5, 6, 10, 50, 60, JBOD
Online RAID migration	Yes	Yes
Online RAID expansion	Yes	Yes
Hot-swap drive bays	Yes	Yes
Total installed system drives capacityKnown for one	Unknown — not stated by the source	5 GB
RAID rebuildKnown for one	Unknown — not stated by the source	Yes
Supported file systemsKnown for one	Unknown — not stated by the source	FAT32, HFS+, NTFS, exFAT, ext3, ext4
Auto-rebuildKnown for one	Unknown — not stated by the source	Yes
Bad block scanKnown for one	Unknown — not stated by the source	Yes
Disk roamingKnown for one	Unknown — not stated by the source	Yes
Processor2 differ
Processor manufacturer	Intel	Intel
Processor familyKnown for one	Intel® Xeon® D	Unknown — not stated by the source
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
Processor boost frequencyDiffers	3 GHz	5.6 GHz
Processor coresDiffers	8	24
Processor threadsKnown for one	Unknown — not stated by the source	24
On-board graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics
Memory3 differ
Internal memoryDiffers	48 GB	32 GB
Internal memory typeDiffers	DDR4	DDR5
Maximum RAM supportedKnown for one	512 GB	Unknown — not stated by the source
ECCKnown for one	Yes	Unknown — not stated by the source
Memory form factorDiffers	RDIMM/LRDIMM	UDIMM
Memory slotsKnown for one	8	Unknown — not stated by the source
Flash memoryKnown for one	4000 MB	Unknown — not stated by the source
Network1 differ
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	2500,10000 Mbit/s
Jumbo frames support	Yes	Yes
iSCSI supportKnown for one	Yes	Unknown — not stated by the source
Supported network protocolsKnown for one	CIFS/SMB2/SMB3, NFS v3/NFS v4.1, FTP, FTPS, TFTP, HTTP, HTTPS, SSH, iSCSI, Fibre Channel, SNMP, SMTP, SMSC	Unknown — not stated by the source
DHCP serverKnown for one	Unknown — not stated by the source	Yes
Wake-on-LAN readyKnown for one	Unknown — not stated by the source	Yes
Dynamic DNS (DDNS)Known for one	Unknown — not stated by the source	Yes
Ports & interfaces1 differ
Ethernet LAN (RJ-45) portsDiffers	3	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	2	Unknown — not stated by the source
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
USB portKnown for one	Unknown — not stated by the source	Yes
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	Unknown — not stated by the source	2
Design2 differ
Chassis typeDiffers	Rack (3U)	Tower
Cooling type	Active	Active
Product colourDiffers	Black, Grey	Black
Number of fansKnown for one	2 fan(s)	Unknown — not stated by the source
Fan diameterKnown for one	6 cm	Unknown — not stated by the source
Fan diameter 2Known for one	6 cm	Unknown — not stated by the source
LED indicators	Yes	Yes
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Performance1 differ
Type	NAS	NAS
Device classDiffers	Large Enterprise Business	Small & Medium Business
Backup function	Yes	Yes
Buzzer	Yes	Yes
Multilingual supportKnown for one	Yes	Unknown — not stated by the source
Access Control List (ACL)Known for one	Yes	Unknown — not stated by the source
Hot spareKnown for one	Yes	Unknown — not stated by the source
On/off switchKnown for one	Yes	Unknown — not stated by the source
Reset buttonKnown for one	Yes	Unknown — not stated by the source
S.M.A.R.T. supportKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	QNAP QES	QuTS hero
Operating system versionKnown for one	Unknown — not stated by the source	h5.6.0
Power3 differ
Power supply location	Built-in	Built-in
Power supply unit (PSU) capacityDiffers	700 W	750 W
Number of power supply units	1	1
Redundant power supply (RPS) supportKnown for one	Yes	Unknown — not stated by the source
Power consumption (typical)Differs	500.87 W	130.83 W
AC input voltageDiffers	90-264 V	100 - 240 V
Fan voltageKnown for one	12 V	Unknown — not stated by the source
Power consumption (HDD standby)Known for one	Unknown — not stated by the source	97.036 W
AC input frequencyKnown for one	Unknown — not stated by the source	50/60 Hz
Weight & dimensions7 differ
WidthDiffers	483.1 mm	369.9 mm
DepthDiffers	630.6 mm	319.8 mm
HeightDiffers	132 mm	294.3 mm
Package widthDiffers	587 mm	440 mm
Package depthDiffers	750 mm	469 mm
Package heightDiffers	351 mm	493 mm
Package weightDiffers	32.7 kg	17.2 kg
WeightKnown for one	Unknown — not stated by the source	13.8 kg
Packaging contentidentical
Cables includedKnown for one	AC, LAN (RJ-45), RS-232	Unknown — not stated by the source
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 type	Box	Box
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)	5 - 95%	5 - 95%
Storage temperature (T-T)	-20 - 70 °C	-20 - 70 °C
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Other featuresidentical
Warranty period	5 year(s)	5 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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