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UltraBay is originally IBM's name for the swappable 
Starting in 2014, Lenovo changed the design of the ThinkPad bay adapter and dropped the "UltraBay" terminology from use. What remained (in the ThinkPad W540 product) was an option for a removable Serial ATA (SATA) "Caddy" accessory which, with a screw driver, allowed the optical drive to be replaced with a second 2.5 inch SATA storage device. Battery expansion in the Caddy Bay was no longer offered, and earlier hot-swap functionality was essentially rendered difficult if not impossible.
UltraBay is originally IBM's name for the swappable drive bay
A drive bay is a standard-sized area for adding hardware to a computer. Most drive bays are fixed to the inside of a case, but some can be removed.
Over the years since the introduction of the IBM PC, it and its compatibles have had many form f ...
in the ThinkPad
ThinkPad is a line of business-oriented laptop computers and tablet computers, tablets designed, developed and marketed by Lenovo, and formerly by IBM until 2005, when IBM's Personal computer, PC business was acquired by Lenovo. ThinkPads have ...
range of laptop computer
A laptop, laptop computer, or notebook computer is a small, portable personal computer (PC) with a screen and alphanumeric keyboard. Laptops typically have a clam shell form factor with the screen mounted on the inside of the upper li ...
s. When the ThinkPad product line was sold to Lenovo
Lenovo Group Limited, often shortened to Lenovo ( , ), is a Chinese Multinational corporation, multinational technology company specializing in designing, manufacturing, and marketing consumer electronics, Personal computer, personal computers, ...
, the concept and the name stayed. Furthermore, it is used in some of Lenovo's own IdeaPad Y Series laptops.
Introduced with the ThinkPad 750 series in 1995, this technology has gone through redesigns with almost every new generation of ThinkPad, which may lead to confusion. The following table gives an overview of the different UltraBay types, in which models they occurred and which drives are available for them. Note that the optical drive bay in G series and R40e series ThinkPads is not an UltraBay in that the drives are fixed and not removable. It is however, mechanically, an UltraBay 2000-device without the surrounding "caddy".
On the media side different UltraBays relate to the form factor of the drives they accept; Some machines can accept UltraBay devices up to 12.5 mm thick, whereas others are limited to devices no more than 9.5 mm thick.
The IdeaPad
IdeaPad (stylized as IDEAPΛD and formerly ideapad) is a line of consumer-oriented laptop computers designed, developed and marketed by Lenovo. The IdeaPad mainly competes against computers such as Acer's Aspire, Dell's Inspiron and XPS, HP ...
Y400 and Y500 laptops have an UltraBay slot which can be swapped for another hard drive
A hard disk drive (HDD), hard disk, hard drive, or fixed disk is an electro-mechanical data storage device that stores and retrieves digital data using magnetic storage with one or more rigid rapidly rotating platters coated with magnet ...
, another fan or another Nvidia GT650M (or GT750M)http://shop.lenovo.com/us/laptops/ideapad/y-series/y500 GPU
A graphics processing unit (GPU) is a specialized electronic circuit designed to manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display device. GPUs are used in embedded systems, mobil ...
which will work in SLI with the system's primary video card for increased graphics performance. Existing orders for the UltraBay Y500 DVD Burner (no built in optical drive) were cancelled in early June, 2013.
Starting in 2014, Lenovo changed the design of the ThinkPad bay adapter and dropped the "UltraBay" terminology from use. What remained (in the ThinkPad W540 product) was an option for a removable Serial ATA (SATA) "Caddy" accessory which, with a screw driver, allowed the optical drive to be replaced with a second 2.5 inch SATA storage device. Battery expansion in the Caddy Bay was no longer offered, and earlier hot-swap functionality was essentially rendered difficult if not impossible.
Nomenclature
See also
*Disk enclosure
A disk enclosure is a specialized casing designed to hold and power disk drives while providing a mechanism to allow them to communicate to one or more separate computers.
Drive enclosures provide power to the drives therein and convert the dat ...
*Caddy (hardware)
In computer hardware, a caddy is a container used to hold some medium, such as a CD-ROM. If the medium is a hard disk drive, the caddy is also referred to as a disk enclosure. Its functionality is similar to that of the 3.5" floppy disk's jacket. ...
References
UltraBay
UltraBay is originally IBM's name for the swappable drive bay in the ThinkPad range of laptop computers. When the ThinkPad product line was sold to Lenovo, the concept and the name stayed. Furthermore, it is used in some of Lenovo's own IdeaPa ...
IBM laptops
ThinkPad
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