x220 x230i T410 T420 T430 W510 W520 W530 tablet2 do4377 4338 base

4337ports: VGA, USB*6, network port, headphone output, microphone input, -D output *1, DisplayPort output *1, power interface.4338 ports: VGA, USB*6, network port, headphone output, microphone input, -D output *2, DisplayPort output *2, power interface, e-*1 (USB3.0 version without E-, see D4).4337, and 4338 difference: 4336 only 4*USB, VGA, cable mouth, not suitable for useHD output friends.4338 to more than 4336 a group of dp/ outputs and a E- or USB3.0 interface, the same as other functionsCompatible:• ThinkPad L412, L420, L430• ThinkPad L512, L520, L530• ThinkPad T400s, T410, T410i, T410s, T410si, T420, T420i, T420s, T420si, T430, T430i, T430s, T430si• ThinkPad X220, X220i, X230, X230i• ThinkPad T510, T510i, T520, T520i, T530, T530iAbout the number of external display: set display or ATI graphics notebook can only 2 screen output (VGA, DP, , LCD any 2 screen), support 's Optimus technology notebook up to 4 screen output (even its own LCD) base VGA and notebook VGA can not be used simultaneously!Advanced version of USB3.0;The machine has 3 USB ports, and 3 of the docking stations can be used (otherwise it can only be used for 2)There are buyers on the Internet to see some irresponsible remarks about this doheat diipation, here to explain to you:This dois indeed a part of the computer exhaust outlet is blocked, but this problem manufacturers have been designed to find this point, so the blocked p has a design outlet, so it will not affect the heat, please rest aured to buy! (this dois generic, so some types of audio interfaces are not compatible, and other functions are OK)No adapters. Laptops can be universal

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Buyer must read, take baby, for you have the default the following provisions

1, shell acceories buyer immediately after receipt of the goods, please chethe appearance, if you have questions, please contact the seller immediately.

2, the warranty period, if anything goes wrong with the buyer for return of acceories, after the seller test OK, if is the product quality probl, the freight shall be borne by the seller.

3, because of the logistics industry is not standard, the goods in nsit accident may happen

- must sign for it at the time, and sent a member present case unpacking on the spot,

It, such as a damaged, or quantity of the goods, quality not in conformity with the purchased it, please contact the seller,

- if it is someone else (e.g., clamates, family, colleagues, the guard, etc.) to sign for it, don't forget to told the on the spot