Product comparison · 2 laptop docks & port replicators

j5create JCD390 4K60 Elite USB-C® 10Gbps Multi-Adapter, Black vs j5create JCD398 USB-C® Dual 4K HDMI™ 10Gbps Mini Dock, Black

54specifications compared
30differ
24identical
13known for one product only

Key differences

HDMI ports quantity
- JCD390 4K60 Elite USB-C® 10Gbps Multi-Adapter, Black:1
- JCD398 USB-C® Dual 4K HDMI™ 10Gbps Mini Dock, Black:2
Microphone in
- JCD390 4K60 Elite USB-C® 10Gbps Multi-Adapter, Black:No
- JCD398 USB-C® Dual 4K HDMI™ 10Gbps Mini Dock, Black:Yes
Headphone outputs
- JCD390 4K60 Elite USB-C® 10Gbps Multi-Adapter, Black:0
- JCD398 USB-C® Dual 4K HDMI™ 10Gbps Mini Dock, Black:1
Ethernet LAN
- JCD390 4K60 Elite USB-C® 10Gbps Multi-Adapter, Black:No
- JCD398 USB-C® Dual 4K HDMI™ 10Gbps Mini Dock, Black:Yes
Product colour
- JCD390 4K60 Elite USB-C® 10Gbps Multi-Adapter, Black:Silver, White
- JCD398 USB-C® Dual 4K HDMI™ 10Gbps Mini Dock, Black:Grey
Output current
- JCD390 4K60 Elite USB-C® 10Gbps Multi-Adapter, Black:4.75 A
- JCD398 USB-C® Dual 4K HDMI™ 10Gbps Mini Dock, Black:4.5 A
Windows operating systems supported
- JCD390 4K60 Elite USB-C® 10Gbps Multi-Adapter, Black:Yes
- JCD398 USB-C® Dual 4K HDMI™ 10Gbps Mini Dock, Black:Windows 10, Windows 11
Operating temperature (T-T)
- JCD390 4K60 Elite USB-C® 10Gbps Multi-Adapter, Black:-1 - 41 °C
- JCD398 USB-C® Dual 4K HDMI™ 10Gbps Mini Dock, Black:0 - 37 °C

Side by side

Differences highlightedShow differences only

Comparison of JCD390-N, JCD398-N
67 specifications	A j5create JCD390 4K60 Elite USB-C® 10Gbps Multi-Adapter, Black Model JCD390-N View product	B j5create JCD398 USB-C® Dual 4K HDMI™ 10Gbps Mini Dock, Black Model JCD398-N View product
Ports & interfaces3 differ
Connectivity technology	Wired	Wired
Host interface	USB 3.2 Gen 2 (3.1 Gen 2) Type-C	USB 3.2 Gen 2 (3.1 Gen 2) Type-C
USB 2.0 ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one	1	Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	2	2
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one	1	Unknown — not stated by the source
USB Power Delivery (USB PD)	Yes	Yes
USB Power Delivery revision	3.0	3.0
USB Power Delivery up to	100 W	100 W
HDMI ports quantityDiffers	1	2
Microphone inDiffers	No	Yes
Headphone outputsDiffers	0	1
USB Type-C DisplayPort Alternate ModeKnown for one	Yes	Unknown — not stated by the source
USB 3.2 Gen 1 (3.1 Gen 1) Type-B ports quantityKnown for one	Unknown — not stated by the source	1
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
Network1 differ
Ethernet LANDiffers	No	Yes
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	1
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Performance2 differ
Product colourDiffers	Silver, White	Grey
Card reader integratedKnown for one	Yes	Unknown — not stated by the source
Compatible memory cardsKnown for one	MicroSD (TransFlash), SD	Unknown — not stated by the source
Data transfer rate	10 Gbit/s	10 Gbit/s
HD type	4K Ultra HD	4K Ultra HD
Maximum digital resolution	3840 x 2160 pixels	3840 x 2160 pixels
Maximum refresh rate	144 Hz	144 Hz
Housing materialDiffers	Acrylonitrile butadiene styrene (ABS), Aluminium, Plastic	Aluminium
Country of origin	Taiwan	Taiwan
Colour nameKnown for one	Unknown — not stated by the source	Space Grey
Number of displays supportedKnown for one	Unknown — not stated by the source	2
Power1 differ
Power source typeKnown for one	USB	Unknown — not stated by the source
Input current	5 A	5 A
Output currentDiffers	4.75 A	4.5 A
Output voltage	20 V	20 V
Software1 differ
Windows operating systems supportedDiffers	Yes	Windows 10, Windows 11
Mac operating systems supported	Yes	Yes
Other operating systems supportedKnown for one	ChromeOS	Unknown — not stated by the source
Operational conditions2 differ
Operating temperature (T-T)Differs	-1 - 41 °C	0 - 37 °C
Storage temperature (T-T)Differs	-17 - 68 °C	-10 - 65 °C
Operating relative humidity (H-H)	0 - 85%	0 - 85%
Storage relative humidity (H-H)	0 - 85%	0 - 85%
Sustainabilityidentical
Sustainability compliance	Yes	Yes
Weight & dimensions4 differ
WidthDiffers	126.5 mm	57 mm
DepthDiffers	200 mm	147.2 mm
HeightDiffers	32.6 mm	14.8 mm
WeightDiffers	70 g	113.5 g
Packaging data4 differ
Quantity per pack	1 pc(s)	1 pc(s)
Package widthDiffers	190 mm	193 mm
Package depthDiffers	85 mm	125 mm
Package heightDiffers	17.5 mm	22.5 mm
Package weightDiffers	120 g	191 g
Packaging content1 differ
Packaging contentDiffers	1 - JCD390 4K60 Elite USB-C® 10Gbps Multi-Adapter 1 - Quick Installation Guide (QIG)	1 - JCD398 USB-C® Dual 4K HDMI™ 10Gbps Mini Dock 1 - Quick Installation Guide (QIG)
Technical details1 differ
Compliance certificates	CE, REACH, RoHS	CE, REACH, RoHS
Master (outer) case GTIN (EAN/UPC)Differs	24712795087394	24712795088193
Warranty period	2 year(s)	2 year(s)
Logistics data9 differ
Export Control Classification Number (ECCN)	EAR99	EAR99
Master (outer) case heightDiffers	115 mm	190 mm
Master (outer) case lengthDiffers	266 mm	445 mm
Master (outer) case net weightDiffers	1.9 kg	4.3 kg
Master (outer) case widthDiffers	225 mm	226 mm
Products per master (outer) caseDiffers	12 pc(s)	18 pc(s)
Products per shipping (inner) case	6 pc(s)	6 pc(s)
Shipping (inner) case widthDiffers	12.5 cm	16.5 cm
Shipping (inner) case lengthDiffers	21.5 cm	21.2 cm
Shipping (inner) case heightDiffers	9.2 cm	13.7 cm
Shipping (inner) case net weightDiffers	800 g	1.3 kg
Other features1 differ
Cable lengthDiffers	0.2 m	0.19212 m

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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