Product comparison · 2 laptop docks & port replicators

HP 2540 Docking Station vs Lenovo 45M1040 laptop dock/port replicator

7specifications compared
3differ
4identical
22known for one product only

Key differences

USB 2.0 ports quantity
- 2540 Docking Station:4
- 45M1040 laptop dock/port replicator:6
Weight
- 2540 Docking Station:880 g
- 45M1040 laptop dock/port replicator:940 g

Side by side

Differences highlightedShow differences only

Comparison of 2540 Docking Station, 45M1040
29 specifications	A HP 2540 Docking Station View product	B Lenovo 45M1040 laptop dock/port replicator Model 45M1040 View product
Ports & interfaces1 differ
Connectivity technologyKnown for one	Docking	Unknown — not stated by the source
USB 2.0 ports quantityDiffers	4	6
VGA (D-Sub) ports quantity	1	1
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
Microphone in	Yes	Yes
Headphone outputs	1	1
DC-in jackKnown for one	Yes	Unknown — not stated by the source
eSATA ports quantityKnown for one	1	Unknown — not stated by the source
Networkidentical
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
Performance1 differ
Product colourKnown for one	Black	Unknown — not stated by the source
Card reader integratedKnown for one	No	Unknown — not stated by the source
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Brand compatibilityKnown for one	HP	Unknown — not stated by the source
CompatibilityDiffers	EliteBook 2540p	ThinkPad L412, L420, L512, L520 ThinkPad T400s, T410, T410i, T410s, T410si, T510, T510i ThinkPad T520 (Dual Core models only) ThinkPad W510 ThinkPad X220
Operational conditionsidentical
Operating altitudeKnown for one	-15.24 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-15.24 - 12192 m	Unknown — not stated by the source
Operating shockKnown for one	125 G	Unknown — not stated by the source
Non-operating shockKnown for one	200 G	Unknown — not stated by the source
Weight & dimensions1 differ
WidthKnown for one	336.5 mm	Unknown — not stated by the source
DepthKnown for one	120.6 mm	Unknown — not stated by the source
HeightKnown for one	50.8 mm	Unknown — not stated by the source
WeightDiffers	880 g	940 g
Other featuresidentical
DVI portKnown for one	Unknown — not stated by the source	Yes
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	345 x 199 x 56 mm
InterfaceKnown for one	Unknown — not stated by the source	docking connector
I/O portsKnown for one	Unknown — not stated by the source	2 x DisplayPort 1 x e-SATA

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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