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ExpressCache is a
Windows Windows is a group of several proprietary graphical operating system families developed and marketed by Microsoft. Each family caters to a certain sector of the computing industry. For example, Windows NT for consumers, Windows Server for serv ...
-based SSD caching technology developed by
Condusiv Technologies Condusiv Technologies is an American software company based in Burbank, California. The company was formerly known as Diskeeper Corporation, a name derived from its flagship product, Diskeeper, a file-system defragmentation software package for M ...
and licensed to a number of
laptop 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 ...
manufacturers including Acer, ASUS,
Samsung The Samsung Group (or simply Samsung) ( ko, 삼성 ) is a South Korean multinational manufacturing conglomerate headquartered in Samsung Town, Seoul, South Korea. It comprises numerous affiliated businesses, most of them united under the ...
,
Sony , commonly stylized as SONY, is a Japanese multinational conglomerate corporation headquartered in Minato, Tokyo, Japan. As a major technology company, it operates as one of the world's largest manufacturers of consumer and professional ...
,
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, ...
, and
Fujitsu is a Japanese multinational information and communications technology equipment and services corporation, established in 1935 and headquartered in Tokyo. Fujitsu is the world's sixth-largest IT services provider by annual revenue, and the la ...
.SanDisk SSD Technology Chosen for New Fujitsu Line of Ultrabook Computers , techPowerUp
/ref> ExpressCache is also bundled with some
SanDisk SanDisk is a brand for flash memory products, including memory cards and readers, USB flash drives, solid-state drives, and digital audio players, manufactured and marketed by Western Digital. The original company, SanDisk Corporation was acquire ...
productsDiskeeper ExpressCache halves Windows boot time , Crave - CNET
/ref> such as ReadyCache;HARDOCP - Specifications - SanDisk ReadyCache 32GB SSD Review
/ref>
/ref> SanDisk currently holds an exclusive ExpressCache license for stand-alone storage products. A test by ''
PC Pro ''PC Pro'' is one of several computer magazines published monthly in the United Kingdom by Future plc. Its headquarters is in London. ''PC Pro'' also licenses individual articles (or even the whole magazine) for republication in various countri ...
'' of the 2011-launched Samsung 700Z, which included an 8 GB SSD and a 7200 rpm hard drive, showed a reduction of five seconds in boot time with Windows 7, when ExpressCache was enabled. Another vendor's demo at
Computex COMPUTEX Taipei, or Taipei International Information Technology Show (), is a computer expo held annually in Taipei, Taiwan. Since the early 2000s, it is one of the largest computer and technology trade shows in the world. The last COMPUTEX was ...
2011, involving a laptop also equipped with an 8 GB SDD, showed a boot-time reduction of about ten seconds. A test by ''CDRLabs'' of a stand-alone 32 GB SanDisk ReadyCache product, which was added to a quad-core desktop (Core i5-2400 CPU) equipped with a 7200 rpm hard drive, found a reduction in boot time from 25 down to 14 seconds, but found no significant improvements in random read/write tests. Another similar test of a 32 GB ReadyCache product, conducted by '' HardOCP,'' found a reduction in boot time from 52 down to 13 seconds. Yet another test by ''Expert Reviews'' found a boot time reduction from 48 down to 35 seconds. A criticism against ExpressCache in ''PC Pro'' was that it "isn't very configurable. You can't, for instance, install an application of your choosing there."Samsung 700Z Chronos review , PC Pro
/ref> ''
PC World ''PC World'' (stylized as PCWorld) is a global computer magazine published monthly by IDG. Since 2013, it has been an online only publication. It offers advice on various aspects of PCs and related items, the Internet, and other personal tech ...
France'' noted that the ExpressCache software bundled with ReadyCache has a limit of three computers on which it can be activated; their reviewer also expressed dismay at SanDisk's choice of using
MLC flash In electronics, a multi-level cell (MLC) is a memory cell capable of storing more than a single bit of information, compared to a single-level cell (SLC), which can store only one bit per memory cell. A memory cell typically consists of a single ...
on a caching product.


See also

*
bcache bcache (abbreviated from ''block cache'') is a cache in the Linux kernel's block layer, which is used for accessing secondary storage devices. It allows one or more fast storage devices, such as flash-based solid-state drives (SSDs), to act as ...
,
dm-cache dm-cache is a component (more specifically, a target) of the Linux kernel's device mapper, which is a framework for mapping block devices onto higher-level virtual block devices. It allows one or more fast storage devices, such as flash-base ...
, and
EnhanceIO EnhanceIO is a disk cache module for the Linux kernel. Its goal is to use fast but relatively small SSD drives to improve the performance of large but slow hard drives. Overview EnhanceIO makes it possible to add an SSD or other fast disk device ...
on Linux * Apple's
Fusion Drive Fusion Drive is a type of hybrid drive technology created by Apple Inc. It combines a hard disk drive with a NAND flash storage (solid-state drive of 24 GB or more) and presents it as a single Core Storage managed logical volume with the space ...
*
Hybrid array A hybrid array is a form of hierarchical storage management that combines hard disk drives (HDDs) with solid-state drives (SSDs) for I/O speed improvements. Hybrid storage arrays aim to mitigate the ever increasing price-performance gap between HD ...
*
Hybrid drive In computing, a hybrid drive (solid state hybrid drive – SSHD) is a logical or physical storage device that combines a faster storage medium such as solid-state drive (SSD) with a higher-capacity hard disk drive (HDD). The intent is adding s ...
* Intel
Smart Response Technology In computer data storage, Smart Response Technology (SRT, also called SSD Caching before it was launched) is a proprietary caching mechanism introduced in 2011 by Intel for their Z68 chipset (for the Sandy Bridge–series processors), which a ...
and
Intel Turbo Memory Intel Turbo Memory is a technology introduced by Intel Corporation that uses NAND flash memory modules to reduce the time it takes for a computer to power up, access programs, and write data to the hard drive. During development, the technology was ...
* Microsoft
ReadyDrive Windows Vista introduced a number of new Input/output, I/O functions to the Microsoft Windows line of operating systems. They are intended to shorten the time taken to boot the system, improve the responsiveness of the system, and improve the relia ...
and
ReadyBoost ReadyBoost (codenamed EMD) is a disk caching software component developed by Microsoft for Windows Vista and included in later versions of Windows. ReadyBoost enables NAND memory mass storage CompactFlash, SD card, and USB flash drive devices to ...


References

{{Reflist, 30em


External links


ExpressCache official web page for OEMs

ReadyCache Manual

Best ssd card
Solid-state caching