Patriot Signature Line 8GB No Heatsink (1 x 8GB) DDR 2666 M Hz SODIMM System Memory Patriot Memory's Signature Line DDR4 SODIMM memory delivers the quality reliability & performance expected for today's notebook needs This 8GB module is designed to run at 2666 M Hz (PC4-21300) at CAS 19 latency timings Built using specific build-of-materials (BOMs) we ensure that every module meets & exceeds industry standards; offering you a hassle-free upgrade We certify every component that goes into our modules including the modules themselves which must pass strict standards to ensure compatibility quality & reliability With free customer service & a lifetime warranty Patriot Memory's Signature memory modules are a perfect system upgrade option Memory Package type Blister Buffered memory type Unregistered (unbuffered) Memory layout (modules x size)1 x 8 GBInternal memory 8 GBComponent for P Cserver Memory form factor 260-pin SO-DIMMCAS latency 19 Memory voltage 12 VECCNo Memory clock speed 2666 MHz Internal memory type DDR4 Design Ro HS compliance Yes