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ServeRAID M5100 Series 1GB Flash/RAID 5 Upgrade for Lenovo System x


81Y4559 (Lenovo / Server Accessory)

SKU: 81Y4559 Category:


Cache upgrades is required for the M5120 adapter operations, and it must be purchased together with the controller.

The ServeRAID M5100 Series 512MB Cache Upgrade option part number includes the following items:

– Cache module.
– Important Notices Flyer.
– Warranty Flyer.
– ServeRAID M Documentation CD.




Lenovo is a public company which is in the industry of computer hardware and electronics services. The company was founded in November 1, 1984 under the name Legend in Beijing China. The company has two headquarters, one located in Haidian District, Beijing, China and the other located in Morrisville, North Carolina, United States. Their website is The chairman and CEO of the company is Yang Yuanqing. The products which the company markets are smart phones, tablet computers, storage devices, television, printers, scanners, netbooks, desktops, servers, notebooks and peripherals. In the year 2016, Lenovo generated a revenue of US $44.91 billion but had a net income of US $-128.1 million in the same year. In that same year, 2016, they had a total number of 60,000 employees. The company’s parent company with 30% of its assets is Legend Holdings.