Synology DiskStation DS1621xs+. Synology DiskStation DS1819+. Synology DiskStation DS2419+II. Synology DiskStation DS3617xs. ECC Type: ECC Unbuffered. Capacity: 8GB. Kit Capacity: 8GB. Your computer loads a program or file you select from the hard drive in to your computers RAM, then it will access each bit of data from there.
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