Product comparison · 2 laptop docks & port replicators

Lenovo 45N6684 laptop dock/port replicator vs Lenovo 57Y6576 laptop dock/port replicator Black

7specifications compared
6differ
1identical
15known for one product only

Key differences

USB 2.0 ports quantity
- 45N6684 laptop dock/port replicator:6
- 57Y6576 laptop dock/port replicator Black:4
Width
- 45N6684 laptop dock/port replicator:14 in
- 57Y6576 laptop dock/port replicator Black:160 mm
Depth
- 45N6684 laptop dock/port replicator:7.8 in
- 57Y6576 laptop dock/port replicator Black:219 mm
Height
- 45N6684 laptop dock/port replicator:2.2 in
- 57Y6576 laptop dock/port replicator Black:103 mm
Weight
- 45N6684 laptop dock/port replicator:900 g
- 57Y6576 laptop dock/port replicator Black:830 g
Interface
- 45N6684 laptop dock/port replicator:docking connector
- 57Y6576 laptop dock/port replicator Black:USB

Side by side

Differences highlightedShow differences only

Comparison of 45N6684, 57Y6576
22 specifications	A Lenovo 45N6684 laptop dock/port replicator Model 45N6684 View product	B Lenovo 57Y6576 laptop dock/port replicator Black Model 57Y6576 View product
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	6	4
Line-inKnown for one	Unknown — not stated by the source	Yes
Line-outKnown for one	Unknown — not stated by the source	Yes
DC-in jackKnown for one	Unknown — not stated by the source	Yes
VGA (D-Sub) ports quantityKnown for one	1	Unknown — not stated by the source
Microphone inKnown for one	Yes	Unknown — not stated by the source
Headphone outputsKnown for one	1	Unknown — not stated by the source
Networkidentical
Ethernet LANKnown for one	Unknown — not stated by the source	Yes
Ethernet LAN (RJ-45) portsKnown for one	1	Unknown — not stated by the source
Performanceidentical
Product colourKnown for one	Unknown — not stated by the source	Black
CompatibilityKnown for one	ThinkPad L412, L512, L420, L520 ThinkPad T400s, T410, T410i, T410s, T410si, T420, T420i, T420s, T420si, T510, T510i ThinkPad T520, T520i (Dual Core Models only) ThinkPad X220	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 40 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 90%
Weight & dimensions4 differ
WidthDiffers	14 in	160 mm
DepthDiffers	7.8 in	219 mm
HeightDiffers	2.2 in	103 mm
WeightDiffers	900 g	830 g
Other features1 differ
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows XP/Windows Vista/Windows 7
DVI port	Yes	Yes
InterfaceDiffers	docking connector	USB
Dimensions (WxDxH)Known for one	345 x 198 x 55 mm	Unknown — not stated by the source
I/O portsKnown for one	1 x DisplayPort	Unknown — not stated by the source

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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