The two items of this offer will be in fully functional condition and set to best appearance. While there is no guarantee which brand you will receive, it is likely that it will be either Inland, Dell or HP. Dell equipment knowingly bears this legendary reputation for robustness and durability.

The Keyboard has your standard 105 keys and mouse is optical with convenient page scroll wheel. Both items specifically carry PS/2 connectors as shown.

This combo set works great when you want to preserve your computer USB ports for other devices with higher priority for use of these ports, and avoid the expense of expansion USB hubs. When the computer does not have PS2 ports, simply plug a USB-to-PS2 splitter into one of the USB ports of the computer, thereby saving you one USB port for other use. Connect keyboard and mouse to the splitter.

OTHER REASONS WHY A PS/2 KEYBOARD/MOUSE COMBO OVER USB

1.- You are likely to use the majority of the USB ports on your Desktop over time. The best way to free up your USB ports is to use the PS/2 mini-DIN connectors for Keyboard and Mouse on your computer if it has them.

2.- The usage of USB ports on your computer has a noticeable impact on the performance of the computer overall, even though that is oftentimes not stated. Your computer is feeding power to your USB devices through the USB ports, that is why you can charge some USB devices plugged to those ports. You never know how much you are allowed. An over-consumption or near threshold consumption of power by your USB devices may cause the computer to function erratically, malfunction for no apparent reason like slow processing or even freeze or crash. No 1, this will never occur with PS/2 ports, and No 2 you will at least prevent Keyboard and Mouse from adding to this restricted consumption by using the PS/2 ports.

3.- In certain situations like gaming or serious touch typing activity, PS/2 outright outperforms USB. PS/2 allows for a lot more simultaneous key presses, aka “n-key rollover” than USB, which is preponderant in those activities. For gaming in particular, a good wired PS/2 Keyboard and Mouse set will cast much better performance as compared to USB, let alone wireless ones.

4.- PS/2 transmission speed is set at 10 Kbits/s invariably, making for dedicated transmission links. That is more than what you need for human interfacing. USB speed at a port is not set, because USB transmission has a tree structure. At any given port, you will get a speed rate that depends on its level on the tree. The more branching the lower the speed rate. So the USB trunk or bus can only be used for transmission by one device at a time. Therefore, any device on a branch can be delayed due to other devices using the USB bus (or channel).

Furthermore, when you put Blue-Tooth wireless devices on any branch, i.e. wireless keyboard and mouse combo, connectivity speed rate is even more degraded. For gaming, the response may very inconveniently feel even as 10 times less speedy, so hindering the experience.

5.- PS/2 ports are not polled by the computer CPU, unlike USB ports.  Keystrokes  i.e. are immediately registered by the CPU in so-called interrupt requests, to which processing will be applied in due course.  By avoiding time waste in polling instances where it is not needed due to inactivity, PS/2 ports allow your computer CPU to perform or process faster overall.

6.- Very specifically, PS/2 ports process nearly 10 times as fast as USB 2.0 counterparts (2.83 ms v. 18.77 ms) in terms of full response from touch to echo on screen, as has been objectively measured shortly after introduction of the USB standard. While, on the one hand, USB transfers six commands at a time from keyboard to computer, which could well be insufficient for a fast typist, PS/2, on the other hand, transmits continuously, so considerably reducing latency.

7.-  Last but not least, PS/2 ports can be very helpful to the technician when restoring damaged operating systems presenting with "hanging" during certain part of boot process. That is because it is a very simple protocol, and the simple PS/2 drivers can be loaded at very early stage of booting process.  So better for troubleshooting.

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ORDER PAYMENT

One-time pay of $16.00 for this equipment.


DELIVERY

In most cases we ship within 24h of order reception, 72h at most.


TECH SUPPORT

For complete reliability, we stand behind our equipments with knowledgeable service and decades-long experience in computer systems. Local USA presence which fluently speaks and writes your language.


WARRANTY

1 year warranty on new equipment and 90-day warranty on refurbished equipment. Will either repair or replace defective parts or components. Warranty covers and applies only to returned received equipment with prior notification.


RETURN POLICY

Returns under standard eBay return policy terms. Up to 30 days after receiving the merchandise to enter a return request. Item must be received  back within 10 days of return authorization. To avoid a blemish fee, all items must be returned in same original receiving conditions, with all packaging and accessories.