"For server only". The specs match my acer aspire 6920 laptop. Will it work?

The memory is compatible with Dell Poweredge R300 Server only and is not designed for use with your Acer Aspire 6920 laptop.

Questions & Answers: CMS 8GB (2X4GB) DDR2 5300 667MHZ ECC REGISTERED DIMM Memory Ram Upgrade Compatible with Dell® Poweredge R300 Server Ddr2 5300 For Server Only - B49

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CMS 8GB (2X4GB) DDR2 5300 667MHZ ECC REGISTERED DIMM Memory Ram Upgrade Compatible with Dell® Poweredge R300 Server Ddr2 5300 For Server Only - B49

Computer Memory Solutions guarantees compatibility with models provided in description.
Memory Type: ECC Registered DIMM, 240-Pin
Speed: DDR2-5300, 667 MHz
2 Piece Kit
Product appearance may vary. Picture for reference only. limited lifetime warranty when bought directly from computer memory solutions