Cost of backblaze7/11/2023 But with an overall throughput of 25 MB/s, the Addionics card was still fast enough for Backblaze’s needs. I asked whether there was a performance hit from using the PCI-based card and Backblaze confirmed that the PCI-based card did yield lower performance than the PCIe cards. The port multiplier backplanes use a Silicon Image SiI3726, the SYBA cards use a SiI3132, and the Addonics card has a Silicon Image SiI3124. In Backblaze’s view, Silicon Image pioneered port multiplier technology, and Backblaze feels that their chips work best together. The card and backplane choices were limited to products using Silicon Image devices. Each of nine SATA cables connect to a Chyang Fun Industry (CFI Group) CFI-B53PM 5 Port SATA backplane. Speaking of SATA, Figure 4 shows the SATA subsystem, which is composed three two-port Syba SD-SA2PEX-2IR PCI Express SATA II controller cards and one Addonics ADSA4R5 4-Port SATA II PCI controller card. But after pondering the comparison chart in Figure 1, they decided that they could recoup the cost of designing and building their own storage pretty quickly. They first looked at commercial solutions. So they need a lot of storage, multiple petabytes (1 PB = 1,000 TB) worth, in fact. Backblaze provides "cloud" based unlimited backup for $5 per month per Mac OS or Windows computer, including multiple versions. Of course, we all realize that companies are in business to make a profit, so they aren’t going to be giving the fruits of their labor away.īut sometimes, the difference between what you can build yourself and what you have to pay for what you can buy is big enough to make you take the plunge into building your own NAS.Ĭloud backup company Backblaze had the same idea when they looked at the cost of buying "big iron" storage. Many SmallNetBuilder readers realize that the prices that companies like NETGEAR, QNAP, Synology, Thecus and others charge for their high-end "business class" NASes are significantly more than the cost of equivalent NASes that they could build themselves.
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