Product comparison · 2 nas & storage servers

QNAP ES1686dc R2 vs QNAP TS-H2477AXU-RP-R7-32G

65specifications compared
35differ
30identical
38known for one product only

Key differences

The QNAP TS-H2477AXU-RP-R7-32G has 8 more storage drives supported than the QNAP ES1686dc R2 (24 vs 16). The QNAP TS-H2477AXU-RP-R7-32G has 2.3 GHz more processor boost frequency than the QNAP ES1686dc R2 (5.3 GHz vs 3 GHz). The QNAP ES1686dc R2 has 16 GB more internal memory than the QNAP TS-H2477AXU-RP-R7-32G (48 GB vs 32 GB). Only the QNAP ES1686dc R2 has ECC. Supported storage drive interfaces: Serial Attached SCSI (SAS) on the QNAP ES1686dc R2, M.2, Serial ATA II, Serial ATA III on the QNAP TS-H2477AXU-RP-R7-32G.

Number of storage drives supported
- ES1686dc R2:16
- TS-H2477AXU-RP-R7-32G:24
RAID levels
- ES1686dc R2:0, 1, 5, 6, 10, 50, 60
- TS-H2477AXU-RP-R7-32G:0, 1, 5, 6, 10, 50, 60, JBOD
Processor manufacturer
- ES1686dc R2:Intel
- TS-H2477AXU-RP-R7-32G:AMD
Processor family
- ES1686dc R2:Intel® Xeon® D
- TS-H2477AXU-RP-R7-32G:AMD Ryzen™ 7
Processor model
- ES1686dc R2:D-2142IT
- TS-H2477AXU-RP-R7-32G:7745
Processor boost frequency
- ES1686dc R2:3 GHz
- TS-H2477AXU-RP-R7-32G:5.3 GHz
Internal memory
- ES1686dc R2:48 GB
- TS-H2477AXU-RP-R7-32G:32 GB
Internal memory type
- ES1686dc R2:DDR4
- TS-H2477AXU-RP-R7-32G:DDR5

Side by side

Differences highlightedShow differences only

Comparison of ES1686dc R2, TS-h2477AXU-RP
103 specifications	A QNAP ES1686dc R2 View product	B QNAP TS-H2477AXU-RP-R7-32G Model TS-h2477AXU-RP 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	24
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)	M.2, Serial ATA II, Serial ATA III
Storage drive sizes supported	2.5,3.5"	2.5,3.5"
Number of system drives supportedKnown for one	Unknown — not stated by the source	2
Number of M.2 (M & B) slotsKnown for one	Unknown — not stated by the source	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
RAID rebuildKnown for one	Unknown — not stated by the source	Yes
Hot-swap drive bays	Yes	Yes
Supported file systemsKnown for one	Unknown — not stated by the source	FAT32, HFS+, NTFS, exFAT, ext2, ext3, ext4
Bad block scanKnown for one	Unknown — not stated by the source	Yes
Disk roamingKnown for one	Unknown — not stated by the source	Yes
Processor4 differ
Processor manufacturerDiffers	Intel	AMD
Processor familyDiffers	Intel® Xeon® D	AMD Ryzen™ 7
Processor generationKnown for one	Unknown — not stated by the source	AMD Ryzen PRO 7000 Series
Processor modelDiffers	D-2142IT	7745
Processor boost frequencyDiffers	3 GHz	5.3 GHz
Processor cores	8	8
Processor threadsKnown for one	Unknown — not stated by the source	16
Number of processors supportedKnown for one	Unknown — not stated by the source	1
On-board graphics card modelKnown for one	Unknown — not stated by the source	AMD Radeon Graphics
Processor frequencyKnown for one	1.9 GHz	Unknown — not stated by the source
Memory7 differ
Internal memoryDiffers	48 GB	32 GB
Internal memory typeDiffers	DDR4	DDR5
Maximum RAM supportedDiffers	512 GB	192 GB
ECCDiffers	Yes	No
Memory form factorDiffers	RDIMM/LRDIMM	UDIMM
Memory slotsDiffers	8	4
Flash memoryDiffers	4000 MB	5000 MB
Network2 differ
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	10,100,1000,2500,10000 Mbit/s
Ethernet LAN data rate supported (max)Known for one	Unknown — not stated by the source	10000 Mbit/s
DHCP serverKnown for one	Unknown — not stated by the source	Yes
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	IPv4, IPv6
Jumbo frames supportKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces1 differ
Ethernet LAN (RJ-45) portsDiffers	3	4
USB portKnown for one	Unknown — not stated by the source	Yes
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one	Unknown — not stated by the source	2
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
Design3 differ
Chassis typeDiffers	Rack (3U)	Rack (4U)
Cooling type	Active	Active
Product colour	Black, Grey	Black, Grey
Number of fansDiffers	2 fan(s)	3 fan(s)
Fan diameter	6 cm	6 cm
LED indicatorsDiffers	Yes	Power, Status
Fan diameter 2Known for one	6 cm	Unknown — not stated by the source
Performance2 differ
TypeDiffers	NAS	Storage server
Device classDiffers	Large Enterprise Business	Small & Medium Business
Backup function	Yes	Yes
Backup featuresKnown for one	Unknown — not stated by the source	Cloud, USB drive, iSCSI LUN
Buzzer	Yes	Yes
Multilingual support	Yes	Yes
Number of usersKnown for one	Unknown — not stated by the source	4096 user(s)
Remote administrationKnown for one	Unknown — not stated by the source	PPTP, L2TP/IPSec, OpenVPN, WireGuard, QBelt
Web-based managementKnown for one	Unknown — not stated by the source	Yes
Built-in FTP serverKnown for one	Unknown — not stated by the source	Yes
Disk scanKnown for one	Unknown — not stated by the source	Yes
On/off switch	Yes	Yes
Password authenticationKnown for one	Unknown — not stated by the source	Yes
Reset button	Yes	Yes
S.M.A.R.T. support	Yes	Yes
Share folderKnown for one	Unknown — not stated by the source	Yes
System logKnown for one	Unknown — not stated by the source	Yes
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
Software1 differ
Operating system installedDiffers	QNAP QES	QNAP QTS
Operating system versionKnown for one	Unknown — not stated by the source	5.2.6
Power3 differ
Power supply location	Built-in	Built-in
Power supply unit (PSU) capacityDiffers	700 W	550 W
Number of power supply unitsDiffers	1	2
Redundant power supply (RPS) support	Yes	Yes
AC input voltageDiffers	90-264 V	100 - 240 V
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 & dimensions7 differ
WidthDiffers	483.1 mm	432.4 mm
DepthDiffers	630.6 mm	511.7 mm
HeightDiffers	132 mm	177.3 mm
Package widthDiffers	587 mm	600 mm
Package depthDiffers	750 mm	940 mm
Package heightDiffers	351 mm	420 mm
Package weightDiffers	32.7 kg	27.7 kg
Packaging content2 differ
Cables includedDiffers	AC, LAN (RJ-45), RS-232	AC, LAN (RJ-45)
Number of screwsDiffers	64	168
Package type	Box	Box
Power cables quantityKnown for one	2	Unknown — not stated by the source
Rack mount kitKnown for one	Yes	Unknown — not stated by the source
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
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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